length of introduction in research paper

How to Write a Research Paper Introduction (with Examples)

How to Write a Research Paper Introduction (with Examples)

The research paper introduction section, along with the Title and Abstract, can be considered the face of any research paper. The following article is intended to guide you in organizing and writing the research paper introduction for a quality academic article or dissertation.

The research paper introduction aims to present the topic to the reader. A study will only be accepted for publishing if you can ascertain that the available literature cannot answer your research question. So it is important to ensure that you have read important studies on that particular topic, especially those within the last five to ten years, and that they are properly referenced in this section. 1 What should be included in the research paper introduction is decided by what you want to tell readers about the reason behind the research and how you plan to fill the knowledge gap. The best research paper introduction provides a systemic review of existing work and demonstrates additional work that needs to be done. It needs to be brief, captivating, and well-referenced; a well-drafted research paper introduction will help the researcher win half the battle.

The introduction for a research paper is where you set up your topic and approach for the reader. It has several key goals:

  • Present your research topic
  • Capture reader interest
  • Summarize existing research
  • Position your own approach
  • Define your specific research problem and problem statement
  • Highlight the novelty and contributions of the study
  • Give an overview of the paper’s structure

The research paper introduction can vary in size and structure depending on whether your paper presents the results of original empirical research or is a review paper. Some research paper introduction examples are only half a page while others are a few pages long. In many cases, the introduction will be shorter than all of the other sections of your paper; its length depends on the size of your paper as a whole.

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Table of Contents

What is the introduction for a research paper, what are the parts of introduction in the research, 1. introduce the research topic:, 2. determine a research niche:, 3. place your research within the research niche:, how to use paperpal to write the introduction section, frequently asked questions on research paper introduction, key points to remember.

The introduction in a research paper is placed at the beginning to guide the reader from a broad subject area to the specific topic that your research addresses. They present the following information to the reader

  • Scope: The topic covered in the research paper
  • Context: Background of your topic
  • Importance: Why your research matters in that particular area of research and the industry problem that can be targeted

length of introduction in research paper

Why is the introduction important in a research paper?

The research paper introduction conveys a lot of information and can be considered an essential roadmap for the rest of your paper. A good introduction for a research paper is important for the following reasons:

  • It stimulates your reader’s interest: A good introduction section can make your readers want to read your paper by capturing their interest. It informs the reader what they are going to learn and helps determine if the topic is of interest to them.
  • It helps the reader understand the research background: Without a clear introduction, your readers may feel confused and even struggle when reading your paper. A good research paper introduction will prepare them for the in-depth research to come. It provides you the opportunity to engage with the readers and demonstrate your knowledge and authority on the specific topic.
  • It explains why your research paper is worth reading: Your introduction can convey a lot of information to your readers. It introduces the topic, why the topic is important, and how you plan to proceed with your research.
  • It helps guide the reader through the rest of the paper: The research paper introduction gives the reader a sense of the nature of the information that will support your arguments and the general organization of the paragraphs that will follow. It offers an overview of what to expect when reading the main body of your paper.

A good research paper introduction section should comprise three main elements: 2

  • What is known: This sets the stage for your research. It informs the readers of what is known on the subject.
  • What is lacking: This is aimed at justifying the reason for carrying out your research. This could involve investigating a new concept or method or building upon previous research.
  • What you aim to do: This part briefly states the objectives of your research and its major contributions. Your detailed hypothesis will also form a part of this section.

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How to write a research paper introduction?

The first step in writing the research paper introduction is to inform the reader what your topic is and why it’s interesting or important. This is generally accomplished with a strong opening statement. The second step involves establishing the kinds of research that have been done and ending with limitations or gaps in the research that you intend to address. Finally, the research paper introduction clarifies how your own research fits in and what problem it addresses. If your research involved testing hypotheses, these should be stated along with your research question. The hypothesis should be presented in the past tense since it will have been tested by the time you are writing the research paper introduction.

The following key points, with examples, can guide you when writing the research paper introduction section:

  • Highlight the importance of the research field or topic
  • Describe the background of the topic
  • Present an overview of current research on the topic

Example: The inclusion of experiential and competency-based learning has benefitted electronics engineering education. Industry partnerships provide an excellent alternative for students wanting to engage in solving real-world challenges. Industry-academia participation has grown in recent years due to the need for skilled engineers with practical training and specialized expertise. However, from the educational perspective, many activities are needed to incorporate sustainable development goals into the university curricula and consolidate learning innovation in universities.

  • Reveal a gap in existing research or oppose an existing assumption
  • Formulate the research question

Example: There have been plausible efforts to integrate educational activities in higher education electronics engineering programs. However, very few studies have considered using educational research methods for performance evaluation of competency-based higher engineering education, with a focus on technical and or transversal skills. To remedy the current need for evaluating competencies in STEM fields and providing sustainable development goals in engineering education, in this study, a comparison was drawn between study groups without and with industry partners.

  • State the purpose of your study
  • Highlight the key characteristics of your study
  • Describe important results
  • Highlight the novelty of the study.
  • Offer a brief overview of the structure of the paper.

Example: The study evaluates the main competency needed in the applied electronics course, which is a fundamental core subject for many electronics engineering undergraduate programs. We compared two groups, without and with an industrial partner, that offered real-world projects to solve during the semester. This comparison can help determine significant differences in both groups in terms of developing subject competency and achieving sustainable development goals.

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Paperpal is a generative AI-powered academic writing assistant. It’s trained on millions of published scholarly articles and over 20 years of STM experience. Paperpal helps authors write better and faster with:

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With Paperpal, create a research paper introduction effortlessly. In this step-by-step guide, we’ll walk you through how Paperpal transforms your initial ideas into a polished and publication-ready introduction.

length of introduction in research paper

Step 1: Sign up on Paperpal and click on the Copilot feature, under this choose Outlines > Research Article > Introduction

Step 2: Add your unstructured notes or initial draft, whether in English or another language, to Paperpal, which is to be used as the base for your content.

Step 3: Fill in the specifics, such as your field of study, brief description or details you want to include, which will help the AI generate the outline for your Introduction.

Step 4: Use this outline and sentence suggestions to develop your content, adding citations where needed and modifying it to align with your specific research focus.

Step 5: Turn to Paperpal’s granular language checks to refine your content, tailor it to reflect your personal writing style, and ensure it effectively conveys your message.

You can use the same process to develop each section of your article, and finally your research paper in half the time and without any of the stress.

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The purpose of the research paper introduction is to introduce the reader to the problem definition, justify the need for the study, and describe the main theme of the study. The aim is to gain the reader’s attention by providing them with necessary background information and establishing the main purpose and direction of the research.

The length of the research paper introduction can vary across journals and disciplines. While there are no strict word limits for writing the research paper introduction, an ideal length would be one page, with a maximum of 400 words over 1-4 paragraphs. Generally, it is one of the shorter sections of the paper as the reader is assumed to have at least a reasonable knowledge about the topic. 2 For example, for a study evaluating the role of building design in ensuring fire safety, there is no need to discuss definitions and nature of fire in the introduction; you could start by commenting upon the existing practices for fire safety and how your study will add to the existing knowledge and practice.

When deciding what to include in the research paper introduction, the rest of the paper should also be considered. The aim is to introduce the reader smoothly to the topic and facilitate an easy read without much dependency on external sources. 3 Below is a list of elements you can include to prepare a research paper introduction outline and follow it when you are writing the research paper introduction. Topic introduction: This can include key definitions and a brief history of the topic. Research context and background: Offer the readers some general information and then narrow it down to specific aspects. Details of the research you conducted: A brief literature review can be included to support your arguments or line of thought. Rationale for the study: This establishes the relevance of your study and establishes its importance. Importance of your research: The main contributions are highlighted to help establish the novelty of your study Research hypothesis: Introduce your research question and propose an expected outcome. Organization of the paper: Include a short paragraph of 3-4 sentences that highlights your plan for the entire paper

Cite only works that are most relevant to your topic; as a general rule, you can include one to three. Note that readers want to see evidence of original thinking. So it is better to avoid using too many references as it does not leave much room for your personal standpoint to shine through. Citations in your research paper introduction support the key points, and the number of citations depend on the subject matter and the point discussed. If the research paper introduction is too long or overflowing with citations, it is better to cite a few review articles rather than the individual articles summarized in the review. A good point to remember when citing research papers in the introduction section is to include at least one-third of the references in the introduction.

The literature review plays a significant role in the research paper introduction section. A good literature review accomplishes the following: Introduces the topic – Establishes the study’s significance – Provides an overview of the relevant literature – Provides context for the study using literature – Identifies knowledge gaps However, remember to avoid making the following mistakes when writing a research paper introduction: Do not use studies from the literature review to aggressively support your research Avoid direct quoting Do not allow literature review to be the focus of this section. Instead, the literature review should only aid in setting a foundation for the manuscript.

Remember the following key points for writing a good research paper introduction: 4

  • Avoid stuffing too much general information: Avoid including what an average reader would know and include only that information related to the problem being addressed in the research paper introduction. For example, when describing a comparative study of non-traditional methods for mechanical design optimization, information related to the traditional methods and differences between traditional and non-traditional methods would not be relevant. In this case, the introduction for the research paper should begin with the state-of-the-art non-traditional methods and methods to evaluate the efficiency of newly developed algorithms.
  • Avoid packing too many references: Cite only the required works in your research paper introduction. The other works can be included in the discussion section to strengthen your findings.
  • Avoid extensive criticism of previous studies: Avoid being overly critical of earlier studies while setting the rationale for your study. A better place for this would be the Discussion section, where you can highlight the advantages of your method.
  • Avoid describing conclusions of the study: When writing a research paper introduction remember not to include the findings of your study. The aim is to let the readers know what question is being answered. The actual answer should only be given in the Results and Discussion section.

To summarize, the research paper introduction section should be brief yet informative. It should convince the reader the need to conduct the study and motivate him to read further. If you’re feeling stuck or unsure, choose trusted AI academic writing assistants like Paperpal to effortlessly craft your research paper introduction and other sections of your research article.

1. Jawaid, S. A., & Jawaid, M. (2019). How to write introduction and discussion. Saudi Journal of Anaesthesia, 13(Suppl 1), S18.

2. Dewan, P., & Gupta, P. (2016). Writing the title, abstract and introduction: Looks matter!. Indian pediatrics, 53, 235-241.

3. Cetin, S., & Hackam, D. J. (2005). An approach to the writing of a scientific Manuscript1. Journal of Surgical Research, 128(2), 165-167.

4. Bavdekar, S. B. (2015). Writing introduction: Laying the foundations of a research paper. Journal of the Association of Physicians of India, 63(7), 44-6.

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How to write an effective introduction for your research paper

Last updated

20 January 2024

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However, the introduction is a vital element of your research paper . It helps the reader decide whether your paper is worth their time. As such, it's worth taking your time to get it right.

In this article, we'll tell you everything you need to know about writing an effective introduction for your research paper.

  • The importance of an introduction in research papers

The primary purpose of an introduction is to provide an overview of your paper. This lets readers gauge whether they want to continue reading or not. The introduction should provide a meaningful roadmap of your research to help them make this decision. It should let readers know whether the information they're interested in is likely to be found in the pages that follow.

Aside from providing readers with information about the content of your paper, the introduction also sets the tone. It shows readers the style of language they can expect, which can further help them to decide how far to read.

When you take into account both of these roles that an introduction plays, it becomes clear that crafting an engaging introduction is the best way to get your paper read more widely. First impressions count, and the introduction provides that impression to readers.

  • The optimum length for a research paper introduction

While there's no magic formula to determine exactly how long a research paper introduction should be, there are a few guidelines. Some variables that impact the ideal introduction length include:

Field of study

Complexity of the topic

Specific requirements of the course or publication

A commonly recommended length of a research paper introduction is around 10% of the total paper’s length. So, a ten-page paper has a one-page introduction. If the topic is complex, it may require more background to craft a compelling intro. Humanities papers tend to have longer introductions than those of the hard sciences.

The best way to craft an introduction of the right length is to focus on clarity and conciseness. Tell the reader only what is necessary to set up your research. An introduction edited down with this goal in mind should end up at an acceptable length.

  • Evaluating successful research paper introductions

A good way to gauge how to create a great introduction is by looking at examples from across your field. The most influential and well-regarded papers should provide some insights into what makes a good introduction.

Dissecting examples: what works and why

We can make some general assumptions by looking at common elements of a good introduction, regardless of the field of research.

A common structure is to start with a broad context, and then narrow that down to specific research questions or hypotheses. This creates a funnel that establishes the scope and relevance.

The most effective introductions are careful about the assumptions they make regarding reader knowledge. By clearly defining key terms and concepts instead of assuming the reader is familiar with them, these introductions set a more solid foundation for understanding.

To pull in the reader and make that all-important good first impression, excellent research paper introductions will often incorporate a compelling narrative or some striking fact that grabs the reader's attention.

Finally, good introductions provide clear citations from past research to back up the claims they're making. In the case of argumentative papers or essays (those that take a stance on a topic or issue), a strong thesis statement compels the reader to continue reading.

Common pitfalls to avoid in research paper introductions

You can also learn what not to do by looking at other research papers. Many authors have made mistakes you can learn from.

We've talked about the need to be clear and concise. Many introductions fail at this; they're verbose, vague, or otherwise fail to convey the research problem or hypothesis efficiently. This often comes in the form of an overemphasis on background information, which obscures the main research focus.

Ensure your introduction provides the proper emphasis and excitement around your research and its significance. Otherwise, fewer people will want to read more about it.

  • Crafting a compelling introduction for a research paper

Let’s take a look at the steps required to craft an introduction that pulls readers in and compels them to learn more about your research.

Step 1: Capturing interest and setting the scene

To capture the reader's interest immediately, begin your introduction with a compelling question, a surprising fact, a provocative quote, or some other mechanism that will hook readers and pull them further into the paper.

As they continue reading, the introduction should contextualize your research within the current field, showing readers its relevance and importance. Clarify any essential terms that will help them better understand what you're saying. This keeps the fundamentals of your research accessible to all readers from all backgrounds.

Step 2: Building a solid foundation with background information

Including background information in your introduction serves two major purposes:

It helps to clarify the topic for the reader

It establishes the depth of your research

The approach you take when conveying this information depends on the type of paper.

For argumentative papers, you'll want to develop engaging background narratives. These should provide context for the argument you'll be presenting.

For empirical papers, highlighting past research is the key. Often, there will be some questions that weren't answered in those past papers. If your paper is focused on those areas, those papers make ideal candidates for you to discuss and critique in your introduction.

Step 3: Pinpointing the research challenge

To capture the attention of the reader, you need to explain what research challenges you'll be discussing.

For argumentative papers, this involves articulating why the argument you'll be making is important. What is its relevance to current discussions or problems? What is the potential impact of people accepting or rejecting your argument?

For empirical papers, explain how your research is addressing a gap in existing knowledge. What new insights or contributions will your research bring to your field?

Step 4: Clarifying your research aims and objectives

We mentioned earlier that the introduction to a research paper can serve as a roadmap for what's within. We've also frequently discussed the need for clarity. This step addresses both of these.

When writing an argumentative paper, craft a thesis statement with impact. Clearly articulate what your position is and the main points you intend to present. This will map out for the reader exactly what they'll get from reading the rest.

For empirical papers, focus on formulating precise research questions and hypotheses. Directly link them to the gaps or issues you've identified in existing research to show the reader the precise direction your research paper will take.

Step 5: Sketching the blueprint of your study

Continue building a roadmap for your readers by designing a structured outline for the paper. Guide the reader through your research journey, explaining what the different sections will contain and their relationship to one another.

This outline should flow seamlessly as you move from section to section. Creating this outline early can also help guide the creation of the paper itself, resulting in a final product that's better organized. In doing so, you'll craft a paper where each section flows intuitively from the next.

Step 6: Integrating your research question

To avoid letting your research question get lost in background information or clarifications, craft your introduction in such a way that the research question resonates throughout. The research question should clearly address a gap in existing knowledge or offer a new perspective on an existing problem.

Tell users your research question explicitly but also remember to frequently come back to it. When providing context or clarification, point out how it relates to the research question. This keeps your focus where it needs to be and prevents the topic of the paper from becoming under-emphasized.

Step 7: Establishing the scope and limitations

So far, we've talked mostly about what's in the paper and how to convey that information to readers. The opposite is also important. Information that's outside the scope of your paper should be made clear to the reader in the introduction so their expectations for what is to follow are set appropriately.

Similarly, be honest and upfront about the limitations of the study. Any constraints in methodology, data, or how far your findings can be generalized should be fully communicated in the introduction.

Step 8: Concluding the introduction with a promise

The final few lines of the introduction are your last chance to convince people to continue reading the rest of the paper. Here is where you should make it very clear what benefit they'll get from doing so. What topics will be covered? What questions will be answered? Make it clear what they will get for continuing.

By providing a quick recap of the key points contained in the introduction in its final lines and properly setting the stage for what follows in the rest of the paper, you refocus the reader's attention on the topic of your research and guide them to read more.

  • Research paper introduction best practices

Following the steps above will give you a compelling introduction that hits on all the key points an introduction should have. Some more tips and tricks can make an introduction even more polished.

As you follow the steps above, keep the following tips in mind.

Set the right tone and style

Like every piece of writing, a research paper should be written for the audience. That is to say, it should match the tone and style that your academic discipline and target audience expect. This is typically a formal and academic tone, though the degree of formality varies by field.

Kno w the audience

The perfect introduction balances clarity with conciseness. The amount of clarification required for a given topic depends greatly on the target audience. Knowing who will be reading your paper will guide you in determining how much background information is required.

Adopt the CARS (create a research space) model

The CARS model is a helpful tool for structuring introductions. This structure has three parts. The beginning of the introduction establishes the general research area. Next, relevant literature is reviewed and critiqued. The final section outlines the purpose of your study as it relates to the previous parts.

Master the art of funneling

The CARS method is one example of a well-funneled introduction. These start broadly and then slowly narrow down to your specific research problem. It provides a nice narrative flow that provides the right information at the right time. If you stray from the CARS model, try to retain this same type of funneling.

Incorporate narrative element

People read research papers largely to be informed. But to inform the reader, you have to hold their attention. A narrative style, particularly in the introduction, is a great way to do that. This can be a compelling story, an intriguing question, or a description of a real-world problem.

Write the introduction last

By writing the introduction after the rest of the paper, you'll have a better idea of what your research entails and how the paper is structured. This prevents the common problem of writing something in the introduction and then forgetting to include it in the paper. It also means anything particularly exciting in the paper isn’t neglected in the intro.

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Home » Research Paper Introduction – Writing Guide and Examples

Research Paper Introduction – Writing Guide and Examples

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Research Paper Introduction

Research Paper Introduction

Research paper introduction is the first section of a research paper that provides an overview of the study, its purpose, and the research question (s) or hypothesis (es) being investigated. It typically includes background information about the topic, a review of previous research in the field, and a statement of the research objectives. The introduction is intended to provide the reader with a clear understanding of the research problem, why it is important, and how the study will contribute to existing knowledge in the field. It also sets the tone for the rest of the paper and helps to establish the author’s credibility and expertise on the subject.

How to Write Research Paper Introduction

Writing an introduction for a research paper can be challenging because it sets the tone for the entire paper. Here are some steps to follow to help you write an effective research paper introduction:

  • Start with a hook : Begin your introduction with an attention-grabbing statement, a question, or a surprising fact that will make the reader interested in reading further.
  • Provide background information: After the hook, provide background information on the topic. This information should give the reader a general idea of what the topic is about and why it is important.
  • State the research problem: Clearly state the research problem or question that the paper addresses. This should be done in a concise and straightforward manner.
  • State the research objectives: After stating the research problem, clearly state the research objectives. This will give the reader an idea of what the paper aims to achieve.
  • Provide a brief overview of the paper: At the end of the introduction, provide a brief overview of the paper. This should include a summary of the main points that will be discussed in the paper.
  • Revise and refine: Finally, revise and refine your introduction to ensure that it is clear, concise, and engaging.

Structure of Research Paper Introduction

The following is a typical structure for a research paper introduction:

  • Background Information: This section provides an overview of the topic of the research paper, including relevant background information and any previous research that has been done on the topic. It helps to give the reader a sense of the context for the study.
  • Problem Statement: This section identifies the specific problem or issue that the research paper is addressing. It should be clear and concise, and it should articulate the gap in knowledge that the study aims to fill.
  • Research Question/Hypothesis : This section states the research question or hypothesis that the study aims to answer. It should be specific and focused, and it should clearly connect to the problem statement.
  • Significance of the Study: This section explains why the research is important and what the potential implications of the study are. It should highlight the contribution that the research makes to the field.
  • Methodology: This section describes the research methods that were used to conduct the study. It should be detailed enough to allow the reader to understand how the study was conducted and to evaluate the validity of the results.
  • Organization of the Paper : This section provides a brief overview of the structure of the research paper. It should give the reader a sense of what to expect in each section of the paper.

Research Paper Introduction Examples

Research Paper Introduction Examples could be:

Example 1: In recent years, the use of artificial intelligence (AI) has become increasingly prevalent in various industries, including healthcare. AI algorithms are being developed to assist with medical diagnoses, treatment recommendations, and patient monitoring. However, as the use of AI in healthcare grows, ethical concerns regarding privacy, bias, and accountability have emerged. This paper aims to explore the ethical implications of AI in healthcare and propose recommendations for addressing these concerns.

Example 2: Climate change is one of the most pressing issues facing our planet today. The increasing concentration of greenhouse gases in the atmosphere has resulted in rising temperatures, changing weather patterns, and other environmental impacts. In this paper, we will review the scientific evidence on climate change, discuss the potential consequences of inaction, and propose solutions for mitigating its effects.

Example 3: The rise of social media has transformed the way we communicate and interact with each other. While social media platforms offer many benefits, including increased connectivity and access to information, they also present numerous challenges. In this paper, we will examine the impact of social media on mental health, privacy, and democracy, and propose solutions for addressing these issues.

Example 4: The use of renewable energy sources has become increasingly important in the face of climate change and environmental degradation. While renewable energy technologies offer many benefits, including reduced greenhouse gas emissions and energy independence, they also present numerous challenges. In this paper, we will assess the current state of renewable energy technology, discuss the economic and political barriers to its adoption, and propose solutions for promoting the widespread use of renewable energy.

Purpose of Research Paper Introduction

The introduction section of a research paper serves several important purposes, including:

  • Providing context: The introduction should give readers a general understanding of the topic, including its background, significance, and relevance to the field.
  • Presenting the research question or problem: The introduction should clearly state the research question or problem that the paper aims to address. This helps readers understand the purpose of the study and what the author hopes to accomplish.
  • Reviewing the literature: The introduction should summarize the current state of knowledge on the topic, highlighting the gaps and limitations in existing research. This shows readers why the study is important and necessary.
  • Outlining the scope and objectives of the study: The introduction should describe the scope and objectives of the study, including what aspects of the topic will be covered, what data will be collected, and what methods will be used.
  • Previewing the main findings and conclusions : The introduction should provide a brief overview of the main findings and conclusions that the study will present. This helps readers anticipate what they can expect to learn from the paper.

When to Write Research Paper Introduction

The introduction of a research paper is typically written after the research has been conducted and the data has been analyzed. This is because the introduction should provide an overview of the research problem, the purpose of the study, and the research questions or hypotheses that will be investigated.

Once you have a clear understanding of the research problem and the questions that you want to explore, you can begin to write the introduction. It’s important to keep in mind that the introduction should be written in a way that engages the reader and provides a clear rationale for the study. It should also provide context for the research by reviewing relevant literature and explaining how the study fits into the larger field of research.

Advantages of Research Paper Introduction

The introduction of a research paper has several advantages, including:

  • Establishing the purpose of the research: The introduction provides an overview of the research problem, question, or hypothesis, and the objectives of the study. This helps to clarify the purpose of the research and provide a roadmap for the reader to follow.
  • Providing background information: The introduction also provides background information on the topic, including a review of relevant literature and research. This helps the reader understand the context of the study and how it fits into the broader field of research.
  • Demonstrating the significance of the research: The introduction also explains why the research is important and relevant. This helps the reader understand the value of the study and why it is worth reading.
  • Setting expectations: The introduction sets the tone for the rest of the paper and prepares the reader for what is to come. This helps the reader understand what to expect and how to approach the paper.
  • Grabbing the reader’s attention: A well-written introduction can grab the reader’s attention and make them interested in reading further. This is important because it can help to keep the reader engaged and motivated to read the rest of the paper.
  • Creating a strong first impression: The introduction is the first part of the research paper that the reader will see, and it can create a strong first impression. A well-written introduction can make the reader more likely to take the research seriously and view it as credible.
  • Establishing the author’s credibility: The introduction can also establish the author’s credibility as a researcher. By providing a clear and thorough overview of the research problem and relevant literature, the author can demonstrate their expertise and knowledge in the field.
  • Providing a structure for the paper: The introduction can also provide a structure for the rest of the paper. By outlining the main sections and sub-sections of the paper, the introduction can help the reader navigate the paper and find the information they are looking for.

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How to Write an Introduction for a Research Paper

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How to write an introduction for a research paper? Eventually (and with practice) all writers will develop their own strategy for writing the perfect introduction for a research paper. Once you are comfortable with writing, you will probably find your own, but coming up with a good strategy can be tough for beginning writers.

The Purpose of an Introduction

Your opening paragraphs, phrases for introducing thesis statements, research paper introduction examples, using the introduction to map out your research paper.

How to Write an Introduction for a Research Paper

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  • First write your thesis.Your thesis should state the main idea in specific terms.
  • After you have a working thesis, tackle the body of your paper before you write the rest of the introduction. Each paragraph in the body should explore one specific topic that proves, or summarizes your thesis. Writing is a thinking process. Once you have worked your way through that process by writing the body of the paper, you will have an intimate understanding of how you are supporting your thesis. After you have written the body paragraphs, go back and rewrite your thesis to make it more specific and to connect it to the topics you addressed in the body paragraph.
  • Revise your introduction several times, saving each revision. Be sure your introduction previews the topics you are presenting in your paper. One way of doing this is to use keywords from the topic sentences in each paragraph to introduce, or preview, the topics in your introduction.This “preview” will give your reader a context for understanding how you will make your case.
  • Experiment by taking different approaches to your thesis with every revision you make. Play with the language in the introduction. Strike a new tone. Go back and compare versions. Then pick the one that works most effectively with the body of your research paper.
  • Do not try to pack everything you want to say into your introduction. Just as your introduction should not be too short, it should also not be too long. Your introduction should be about the same length as any other paragraph in your research paper. Let the content—what you have to say—dictate the length.

The first page of your research paper should draw the reader into the text. It is the paper’s most important page and, alas, often the worst written. There are two culprits here and effective ways to cope with both of them.

First, the writer is usually straining too hard to say something terribly BIG and IMPORTANT about the thesis topic. The goal is worthy, but the aim is unrealistically high. The result is often a muddle of vague platitudes rather than a crisp, compelling introduction to the thesis. Want a familiar example? Listen to most graduation speakers. Their goal couldn’t be loftier: to say what education means and to tell an entire football stadium how to live the rest of their lives. The results are usually an avalanche of clichés and sodden prose.

The second culprit is bad timing. The opening and concluding paragraphs are usually written late in the game, after the rest of the thesis is finished and polished. There’s nothing wrong with writing these sections last. It’s usually the right approach since you need to know exactly what you are saying in the substantive middle sections of the thesis before you can introduce them effectively or draw together your findings. But having waited to write the opening and closing sections, you need to review and edit them several times to catch up. Otherwise, you’ll putting the most jagged prose in the most tender spots. Edit and polish your opening paragraphs with extra care. They should draw readers into the paper.

After you’ve done some extra polishing, I suggest a simple test for the introductory section. As an experiment, chop off the first few paragraphs. Let the paper begin on, say, paragraph 2 or even page 2. If you don’t lose much, or actually gain in clarity and pace, then you’ve got a problem.

There are two solutions. One is to start at this new spot, further into the text. After all, that’s where you finally gain traction on your subject. That works best in some cases, and we occasionally suggest it. The alternative, of course, is to write a new opening that doesn’t flop around, saying nothing.

What makes a good opening? Actually, they come in several flavors. One is an intriguing story about your topic. Another is a brief, compelling quote. When you run across them during your reading, set them aside for later use. Don’t be deterred from using them because they “don’t seem academic enough.” They’re fine as long as the rest of the paper doesn’t sound like you did your research in People magazine. The third, and most common, way to begin is by stating your main questions, followed by a brief comment about why they matter.

Whichever opening you choose, it should engage your readers and coax them to continue. Having done that, you should give them a general overview of the project—the main issues you will cover, the material you will use, and your thesis statement (that is, your basic approach to the topic). Finally, at the end of the introductory section, give your readers a brief road map, showing how the paper will unfold. How you do that depends on your topic but here are some general suggestions for phrase choice that may help:

  • This analysis will provide …
  • This paper analyzes the relationship between …
  • This paper presents an analysis of …
  • This paper will argue that …
  • This topic supports the argument that…
  • Research supports the opinion that …
  • This paper supports the opinion that …
  • An interpretation of the facts indicates …
  • The results of this experiment show …
  • The results of this research show …

Comparisons/Contrasts

  • A comparison will show that …
  • By contrasting the results,we see that …
  • This paper examines the advantages and disadvantages of …

Definitions/Classifications

  • This paper will provide a guide for categorizing the following:…
  • This paper provides a definition of …
  • This paper explores the meaning of …
  • This paper will discuss the implications of …
  • A discussion of this topic reveals …
  • The following discussion will focus on …

Description

  • This report describes…
  • This report will illustrate…
  • This paper provides an illustration of …

Process/Experimentation

  • This paper will identify the reasons behind…
  • The results of the experiment show …
  • The process revealed that …
  • This paper theorizes…
  • This paper presents the theory that …
  • In theory, this indicates that …

Quotes, anecdotes, questions, examples, and broad statements—all of them can used successfully to write an introduction for a research paper. It’s instructive to see them in action, in the hands of skilled academic writers.

Let’s begin with David M. Kennedy’s superb history, Freedom from Fear: The American People in Depression and War, 1929–1945 . Kennedy begins each chapter with a quote, followed by his text. The quote above chapter 1 shows President Hoover speaking in 1928 about America’s golden future. The text below it begins with the stock market collapse of 1929. It is a riveting account of just how wrong Hoover was. The text about the Depression is stronger because it contrasts so starkly with the optimistic quotation.

“We in America today are nearer the final triumph over poverty than ever before in the history of any land.”—Herbert Hoover, August 11, 1928 Like an earthquake, the stock market crash of October 1929 cracked startlingly across the United States, the herald of a crisis that was to shake the American way of life to its foundations. The events of the ensuing decade opened a fissure across the landscape of American history no less gaping than that opened by the volley on Lexington Common in April 1775 or by the bombardment of Sumter on another April four score and six years later. The ratcheting ticker machines in the autumn of 1929 did not merely record avalanching stock prices. In time they came also to symbolize the end of an era. (David M. Kennedy, Freedom from Fear: The American People in Depression and War, 1929–1945 . New York: Oxford University Press, 1999, p. 10)

Kennedy has exciting, wrenching material to work with. John Mueller faces the exact opposite problem. In Retreat from Doomsday: The Obsolescence of Major War , he is trying to explain why Great Powers have suddenly stopped fighting each other. For centuries they made war on each other with devastating regularity, killing millions in the process. But now, Mueller thinks, they have not just paused; they have stopped permanently. He is literally trying to explain why “nothing is happening now.” That may be an exciting topic intellectually, it may have great practical significance, but “nothing happened” is not a very promising subject for an exciting opening paragraph. Mueller manages to make it exciting and, at the same time, shows why it matters so much. Here’s his opening, aptly entitled “History’s Greatest Nonevent”:

On May 15, 1984, the major countries of the developed world had managed to remain at peace with each other for the longest continuous stretch of time since the days of the Roman Empire. If a significant battle in a war had been fought on that day, the press would have bristled with it. As usual, however, a landmark crossing in the history of peace caused no stir: the most prominent story in the New York Times that day concerned the saga of a manicurist, a machinist, and a cleaning woman who had just won a big Lotto contest. This book seeks to develop an explanation for what is probably the greatest nonevent in human history. (John Mueller, Retreat from Doomsday: The Obsolescence of Major War . New York: Basic Books, 1989, p. 3)

In the space of a few sentences, Mueller sets up his puzzle and reveals its profound human significance. At the same time, he shows just how easy it is to miss this milestone in the buzz of daily events. Notice how concretely he does that. He doesn’t just say that the New York Times ignored this record setting peace. He offers telling details about what they covered instead: “a manicurist, a machinist, and a cleaning woman who had just won a big Lotto contest.” Likewise, David Kennedy immediately entangles us in concrete events: the stunning stock market crash of 1929. These are powerful openings that capture readers’ interests, establish puzzles, and launch narratives.

Sociologist James Coleman begins in a completely different way, by posing the basic questions he will study. His ambitious book, Foundations of Social Theory , develops a comprehensive theory of social life, so it is entirely appropriate for him to begin with some major questions. But he could just as easily have begun with a compelling story or anecdote. He includes many of them elsewhere in his book. His choice for the opening, though, is to state his major themes plainly and frame them as a paradox. Sociologists, he says, are interested in aggregate behavior—how people act in groups, organizations, or large numbers—yet they mostly examine individuals:

A central problem in social science is that of accounting for the function of some kind of social system. Yet in most social research, observations are not made on the system as a whole, but on some part of it. In fact, the natural unit of observation is the individual person…  This has led to a widening gap between theory and research… (James S. Coleman, Foundations of Social Theory . Cambridge, MA: Harvard University Press, 1990, pp. 1–2)

After expanding on this point, Coleman explains that he will not try to remedy the problem by looking solely at groups or aggregate-level data. That’s a false solution, he says, because aggregates don’t act; individuals do. So the real problem is to show the links between individual actions and aggregate outcomes, between the micro and the macro.

The major problem for explanations of system behavior based on actions and orientations at a level below that of the system [in this case, on individual-level actions] is that of moving from the lower level to the system level. This has been called the micro-to-macro problem, and it is pervasive throughout the social sciences. (Coleman, Foundations of Social Theory , p. 6)

Explaining how to deal with this “micro-to-macro problem” is the central issue of Coleman’s book, and he announces it at the beginning.

Coleman’s theory-driven opening stands at the opposite end of the spectrum from engaging stories or anecdotes, which are designed to lure the reader into the narrative and ease the path to a more analytic treatment later in the text. Take, for example, the opening sentences of Robert L. Herbert’s sweeping study Impressionism: Art, Leisure, and Parisian Society : “When Henry Tuckerman came to Paris in 1867, one of the thousands of Americans attracted there by the huge international exposition, he was bowled over by the extraordinary changes since his previous visit twenty years before.” (Robert L. Herbert, Impressionism: Art, Leisure, and Parisian Society . New Haven, CT: Yale University Press, 1988, p. 1.) Herbert fills in the evocative details to set the stage for his analysis of the emerging Impressionist art movement and its connection to Parisian society and leisure in this period.

David Bromwich writes about Wordsworth, a poet so familiar to students of English literature that it is hard to see him afresh, before his great achievements, when he was just a young outsider starting to write. To draw us into Wordsworth’s early work, Bromwich wants us to set aside our entrenched images of the famous mature poet and see him as he was in the 1790s, as a beginning writer on the margins of society. He accomplishes this ambitious task in the opening sentences of Disowned by Memory: Wordsworth’s Poetry of the 1790s :

Wordsworth turned to poetry after the revolution to remind himself that he was still a human being. It was a curious solution, to a difficulty many would not have felt. The whole interest of his predicament is that he did feel it. Yet Wordsworth is now so established an eminence—his name so firmly fixed with readers as a moralist of self-trust emanating from complete self-security—that it may seem perverse to imagine him as a criminal seeking expiation. Still, that is a picture we get from The Borderers and, at a longer distance, from “Tintern Abbey.” (David Bromwich, Disowned by Memory: Wordsworth’s Poetry of the 1790s . Chicago: University of Chicago Press, 1998, p. 1)

That’s a wonderful opening! Look at how much Bromwich accomplishes in just a few words. He not only prepares the way for analyzing Wordsworth’s early poetry; he juxtaposes the anguished young man who wrote it to the self-confident, distinguished figure he became—the eminent man we can’t help remembering as we read his early poetry.

Let us highlight a couple of other points in this passage because they illustrate some intelligent writing choices. First, look at the odd comma in this sentence: “It was a curious solution, to a difficulty many would not have felt.” Any standard grammar book would say that comma is wrong and should be omitted. Why did Bromwich insert it? Because he’s a fine writer, thinking of his sentence rhythm and the point he wants to make. The comma does exactly what it should. It makes us pause, breaking the sentence into two parts, each with an interesting point. One is that Wordsworth felt a difficulty others would not have; the other is that he solved it in a distinctive way. It would be easy for readers to glide over this double message, so Bromwich has inserted a speed bump to slow us down. Most of the time, you should follow grammatical rules, like those about commas, but you should bend them when it serves a good purpose. That’s what the writer does here.

The second small point is the phrase “after the revolution” in the first sentence: “Wordsworth turned to poetry after the revolution to remind himself that he was still a human being.” Why doesn’t Bromwich say “after the French Revolution”? Because he has judged his book’s audience. He is writing for specialists who already know which revolution is reverberating through English life in the 1790s. It is the French Revolution, not the earlier loss of the American colonies. If Bromwich were writing for a much broader audience—say, the New York Times Book Review—he would probably insert the extra word to avoid confusion.

The message “Know your audience” applies to all writers. Don’t talk down to them by assuming they can’t get dressed in the morning. Don’t strut around showing off your book learnin’ by tossing in arcane facts and esoteric language for its own sake. Neither will win over readers.

Bromwich, Herbert, and Coleman open their works in different ways, but their choices work well for their different texts. Your task is to decide what kind of opening will work best for yours. Don’t let that happen by default, by grabbing the first idea you happen upon. Consider a couple of different ways of opening your thesis and then choose the one you prefer. Give yourself some options, think them over, then make an informed choice.

Whether you begin with a story, puzzle, or broad statement, the next part of the introduction should pose your main questions and establish your argument. This is your thesis statement—your viewpoint along with the supporting reasons and evidence. It should be articulated plainly so readers understand full well what your paper is about and what it will argue.

After that, give your readers a road map of what’s to come. That’s normally done at the end of the introductory section (or, in a book, at the end of the introductory chapter). Here’s John J. Mearsheimer presenting such a road map in The Tragedy of Great Power Politics . He not only tells us the order of upcoming chapters, he explains why he’s chosen that order and which chapters are most important:

The Plan of the Book The rest of the chapters in this book are concerned mainly with answering the six big questions about power which I identified earlier. Chapter 2, which is probably the most important chapter in the book, lays out my theory of why states compete for power and why they pursue hegemony. In Chapters 3 and 4, I define power and explain how to measure it. I do this in order to lay the groundwork for testing my theory… (John J. Mearsheimer, The Tragedy of Great Power Politics . New York: W. W. Norton, 2001, p. 27)

As this excerpt makes clear, Mearsheimer has already laid out his “six big questions” in the introduction. Now he’s showing us the path ahead, the path to answering those questions.

At the end of the introduction, give your readers a road map of what’s to come. Tell them what the upcoming sections will be and why they are arranged in this particular order.

After having written your introduction it’s time to move to the biggest part: body of a research paper.

Back to How To Write A Research Paper .

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How to write an introduction for a research paper

How to write a introduction for a research paper

Writing an introduction for a research paper can be one of the hardest parts of the writing process. How do you get started? In this post, we discuss the components of an introduction and explore strategies for writing one successfully.

What is an introduction?

The introduction to a research paper provides background information or context on the topic. It also includes the thesis statement and signposts that let the reader know what you will cover in the rest of the paper.

Depending on the type of research paper that you’re writing, you may also include a brief state of the field in your introduction. You might also put that in a separate section, called a literature review. Before you tackle writing your introduction, be sure to consult the assignment guidelines for your paper.

How to write an introduction

An introduction provides an overview of your topic and any background information that your readers need to know in order to understand the context. It generally concludes with an explicit statement of your position on the topic, which is known as your thesis statement.

The opening section

Many papers begin with a hook: a short anecdote or scenario that draws the reader in and gives a hint of what the paper will cover. A hook allows you to capture your reader’s attention and provides an anchor for the context that you will provide in the bulk of the introduction.

Most of your introduction should be taken up with background information, but this doesn’t mean that you should fill your opening section with overly general statements. Instead, provide key pieces of information (like statistics) that a reader would need to know in order to understand your main argument.

The thesis statement

Towards the end of the introduction, you should state your thesis, preferably in the form of "I argue that..." or "This paper argues that..." or a similar phrase. Although it’s called a “thesis statement,” your thesis can be more than one sentence.

Finally, an introduction contains a brief outline or "signposts" of what the rest of the article will cover (also known as forecasting statements). You can use language like, “in what follows,” or “in the rest of the paper,” to signal that you are describing what you’ll do in the remainder of the paper.

Tips for writing an introduction

1. don’t rely on generalizations.

An introduction is not simply filler. It has a very specific function in a research paper: to provide context that leads up to a thesis statement.

You may be tempted to start your paper with generalizations like, “many people believe that...” or, “in our society...,” or a general dictionary definition, because you’re not sure what kind of context to provide. Instead, use specific facts like statistics or historical anecdotes to open your paper.

2. State your thesis directly

Once you’ve provided the appropriate, and specific, background information on your topic, you can move on to stating your thesis. As a rule of thumb, state your thesis as directly as possible. Use phrases like “I argue that..” to indicate that you are laying out your main argument.

3. Include signposts

A strong introduction includes clear signposts that outline what you will cover in the rest of the paper. You can signal this by using words like, “in what follows,” and by describing the steps that you will take to build your argument.

4. Situate your argument within the scholarly conversation

Some types of research papers require a separate literature review in which you explore what others have written about your topic.

Even if you’re not required to have a formal literature review, you should still include at least a paragraph in which you engage with the scholarly debate on your chosen subject. Be sure to include direct quotes from your sources . You can use BibGuru’s citation generator to create accurate in-text citations for your quotes.

This section can come directly before your thesis statement or directly after it. In the former case, your state of the field will function as additional context for your thesis.

Frequently Asked Questions about how to write an introduction for a research paper

A good introduction provides specific background information on your topic, sets up your thesis statement, and includes signposts for what you’ll cover in the rest of the paper.

An introduction should include context, a thesis statement, and signposts.

Do not include generalizations, apologies for not being an expert, or dictionary definitions in your introduction.

The length of your introduction depends on the overall length of your paper. For instance, an introduction for an 8-10 page paper will likely be anywhere from 1-3 pages.

You can choose to start an introduction with a hook, an important statistic, an historical anecdote, or another specific piece of background information.

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How to Write an Introduction for a Research Paper

Sumalatha G

Table of Contents

Writing an introduction for a research paper is a critical element of your paper, but it can seem challenging to encapsulate enormous amount of information into a concise form. The introduction of your research paper sets the tone for your research and provides the context for your study. In this article, we will guide you through the process of writing an effective introduction that grabs the reader's attention and captures the essence of your research paper.

Understanding the Purpose of a Research Paper Introduction

The introduction acts as a road map for your research paper, guiding the reader through the main ideas and arguments. The purpose of the introduction is to present your research topic to the readers and provide a rationale for why your study is relevant. It helps the reader locate your research and its relevance in the broader field of related scientific explorations. Additionally, the introduction should inform the reader about the objectives and scope of your study, giving them an overview of what to expect in the paper. By including a comprehensive introduction, you establish your credibility as an author and convince the reader that your research is worth their time and attention.

Key Elements to Include in Your Introduction

When writing your research paper introduction, there are several key elements you should include to ensure it is comprehensive and informative.

  • A hook or attention-grabbing statement to capture the reader's interest.  It can be a thought-provoking question, a surprising statistic, or a compelling anecdote that relates to your research topic.
  • A brief overview of the research topic and its significance. By highlighting the gap in existing knowledge or the problem your research aims to address, you create a compelling case for the relevance of your study.
  • A clear research question or problem statement. This serves as the foundation of your research and guides the reader in understanding the unique focus of your study. It should be concise, specific, and clearly articulated.
  • An outline of the paper's structure and main arguments, to help the readers navigate through the paper with ease.

Preparing to Write Your Introduction

Before diving into writing your introduction, it is essential to prepare adequately. This involves 3 important steps:

  • Conducting Preliminary Research: Immerse yourself in the existing literature to develop a clear research question and position your study within the academic discourse.
  • Identifying Your Thesis Statement: Define a specific, focused, and debatable thesis statement, serving as a roadmap for your paper.
  • Considering Broader Context: Reflect on the significance of your research within your field, understanding its potential impact and contribution.

By engaging in these preparatory steps, you can ensure that your introduction is well-informed, focused, and sets the stage for a compelling research paper.

Structuring Your Introduction

Now that you have prepared yourself to tackle the introduction, it's time to structure it effectively. A well-structured introduction will engage the reader from the beginning and provide a logical flow to your research paper.

Starting with a Hook

Begin your introduction with an attention-grabbing hook that captivates the reader's interest. This hook serves as a way to make your introduction more engaging and compelling. For example, if you are writing a research paper on the impact of climate change on biodiversity, you could start your introduction with a statistic about the number of species that have gone extinct due to climate change. This will immediately grab the reader's attention and make them realize the urgency and importance of the topic.

Introducing Your Topic

Provide a brief overview, which should give the reader a general understanding of the subject matter and its significance. Explain the importance of the topic and its relevance to the field. This will help the reader understand why your research is significant and why they should continue reading. Continuing with the example of climate change and biodiversity, you could explain how climate change is one of the greatest threats to global biodiversity, how it affects ecosystems, and the potential consequences for both wildlife and human populations. By providing this context, you are setting the stage for the rest of your research paper and helping the reader understand the importance of your study.

Presenting Your Thesis Statement

The thesis statement should directly address your research question and provide a preview of the main arguments or findings discussed in your paper. Make sure your thesis statement is clear, concise, and well-supported by the evidence you will present in your research paper. By presenting a strong and focused thesis statement, you are providing the reader with the information they could anticipate in your research paper. This will help them understand the purpose and scope of your study and will make them more inclined to continue reading.

Writing Techniques for an Effective Introduction

When crafting an introduction, it is crucial to pay attention to the finer details that can elevate your writing to the next level. By utilizing specific writing techniques, you can captivate your readers and draw them into your research journey.

Using Clear and Concise Language

One of the most important writing techniques to employ in your introduction is the use of clear and concise language. By choosing your words carefully, you can effectively convey your ideas to the reader. It is essential to avoid using jargon or complex terminology that may confuse or alienate your audience. Instead, focus on communicating your research in a straightforward manner to ensure that your introduction is accessible to both experts in your field and those who may be new to the topic. This approach allows you to engage a broader audience and make your research more inclusive.

Establishing the Relevance of Your Research

One way to establish the relevance of your research is by highlighting how it fills a gap in the existing literature. Explain how your study addresses a significant research question that has not been adequately explored. By doing this, you demonstrate that your research is not only unique but also contributes to the broader knowledge in your field. Furthermore, it is important to emphasize the potential impact of your research. Whether it is advancing scientific understanding, informing policy decisions, or improving practical applications, make it clear to the reader how your study can make a difference.

By employing these two writing techniques in your introduction, you can effectively engage your readers. Take your time to craft an introduction that is both informative and captivating, leaving your readers eager to delve deeper into your research.

Revising and Polishing Your Introduction

Once you have written your introduction, it is crucial to revise and polish it to ensure that it effectively sets the stage for your research paper.

Self-Editing Techniques

Review your introduction for clarity, coherence, and logical flow. Ensure each paragraph introduces a new idea or argument with smooth transitions.

Check for grammatical errors, spelling mistakes, and awkward sentence structures.

Ensure that your introduction aligns with the overall tone and style of your research paper.

Seeking Feedback for Improvement

Consider seeking feedback from peers, colleagues, or your instructor. They can provide valuable insights and suggestions for improving your introduction. Be open to constructive criticism and use it to refine your introduction and make it more compelling for the reader.

Writing an introduction for a research paper requires careful thought and planning. By understanding the purpose of the introduction, preparing adequately, structuring effectively, and employing writing techniques, you can create an engaging and informative introduction for your research. Remember to revise and polish your introduction to ensure that it accurately represents the main ideas and arguments in your research paper. With a well-crafted introduction, you will capture the reader's attention and keep them inclined to your paper.

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Writing a Research Paper Introduction (with 3 Examples)

Nail your research paper's introduction! Learn to captivate and inform readers from the start—our guide shows how!

Writing a Research Paper Introduction (with 3 Examples)

TABLE OF CONTENTS

A catchy and informative introduction is essential in academic writing, especially if you want your readers to have background information about your paper. However, writing an interesting and informative introduction can sometimes be a time-consuming and tiring process. If you don't know where to start when crafting an introduction, no need to worry - we've got you covered!

In this article, we will explain step by step what an introduction is in academic writing and how to write it!

Ready? Let's start!

  • An introduction is a paragraph that provides information about your entire paper and aims to attract and inform the reader.
  • Before writing an introduction or even starting your paper, you need to research academic sources.
  • The first one or two sentences of an introduction paragraph should be a hook to attract the reader's attention.
  • Afterwards, you need to prepare the reader for your argument by giving background information about your topic.
  • Finally, you should state your argument about your topic with a thesis statement.
  • If you are writing a longer paper, you can inform your readers about the map of your paper.
  • If you are looking for an AI assistant to support you throughout your writing process, TextCortex is designed for you with its advanced features.

What is an Introduction in a research paper?

In any academic writing, including essays and research papers, an introduction is the first paragraph that the reader will encounter. This paragraph should both attract the reader's attention and give them the necessary information about the paper. In any academic paper, the introduction paragraph constitutes 10% of the paper's total word count. For example, if you are preparing a 3,000-word paper, your introduction paragraph should consist of approximately 300 words. You should also write sentences within these 300 words that will attract the reader's attention and provide them with information about the paper.

Importance of an Introduction Paragraph

The biggest function of an introduction paragraph is to prepare the reader for the author's thesis statement. A traditional introduction paragraph begins with a few sentences or questions that will catch the reader's attention. After attracting the reader's attention, necessary background information on the subject is given. Finally, the author explains to the readers what the whole paper is about by stating the thesis. A thesis statement is the final sentence that summarizes the main points of your paper and conveys your claim.

First Things First: Preliminary Research

When working on any academic writing type, it is essential to start by researching your topic thoroughly before beginning to type. What sets academic writing apart from other writing types is the requirement for it to be written using accurate information from reliable sources.

Researching academic sources can be a time-consuming and unnecessary process. One has to read through hundreds of pages, review dozens of articles and verify the accuracy of each source. However, if you're looking to reduce your workload and maximize efficiency by automating repetitive tasks such as literature review, ZenoChat is the perfect solution for you. With its web search feature, ZenoChat can use the entire internet as a data source. Additionally, by activating the "scholar" option of the ZenoChat web search feature, you can ensure that it only uses academic sources when generating output.

How to Create an Introduction for Academic Writing?

Creating an introduction paragraph that is interesting, informative, and conveys your thesis is an easier process than it seems. As long as you have sufficient information about your topic and an outline , you can write engaging introductions by following a few simple steps. Let's take a closer look at how to write an introduction for academic writing.

1-) Start with a Catchy Hook

Your first sentence is one of the factors that most influence a reader's decision to read your paper. This sentence determines the tone of your paper and attracts the reader's attention. For this reason, we recommend that you start your introduction paragraph with a strong and catchy hook sentence.

  • Avoid long and complex sentences
  • Use clear and concise sentences
  • Write a sentence that will spark the reader's curiosity
  • You can ask questions that will encourage the reader to read the remaining paragraph
  • Avoid fact or overly broad sentences
  • Avoid using dictionary definitions as your hook

2-) Give Background Information

After writing a strong hook sentence, you need to provide basic information about your topic so that the reader can understand what they will learn about when they read your paper. In this section, you can benefit from opinions that support or oppose your argument. Additionally, this section should refer to the body paragraphs of your writing.

  • You can write a background information sentence for each body paragraph.
  • The information here should be concise and compact
  • Avoid talking about your evidence and results unless necessary.

3-) State Your Thesis 

After attracting the reader's attention and providing background information, it is time to present your approach and argument towards the topic with a thesis statement. A thesis statement usually comprises one or two sentences and communicates the paper's argument to the reader. A well-written thesis statement should express your stance on the topic.

  • Avoid merely stating a fact
  • Claim your argument

4-) Tell Reader About Your Paper

Although you need to move on to body paragraphs after the thesis statement in short papers, it will be useful to add a few sentences that will guide the reader in your longer papers. This way, your readers can better understand which arguments they will encounter on which pages and the course of your paper. That leads the reader to clearly understand and follow your content.

Let’s Wrap it Up

Writing an interesting and informative introduction is usually a long process that requires a lot of rewriting. You may need to rewrite a sentence dozens of times so that your words and sentences clearly describe your paper and argument. Fortunately, you can generate state-of-the-art introductions using AI tools and use them with a little editing.

When it comes to text generation, paraphrasing, and grammar & spelling checking, TextCortex is the way to go with its advanced LLMs and customization options. With TextCortex, you can generate all writing types, including introduction, from scratch, rewrite your existing texts, change their tone of voice, or fix their grammar. TextCortex is available as a web application and browser extension. The TextCortex browser extension is integrated with 30,000+ websites and apps. So, you can complete your AI-driven writing tasks anywhere and anytime.

Let's examine a few sample introductions generated by TextCortex.

Example Introduction #1

“Should social media platforms be banned from collecting their users' data?”

example research paper introduction

Example Introduction #2

“Do electric vehicles decrease overall emissions?”

example research paper introduction 2

Example Introduction #3

“Is graffiti an act of vandalism or the creation of art?”

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How to Create a Strong Thesis?

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length of introduction in research paper

How Long Should a Research Paper Be? Data from 61,519 Examples

I analyzed a random sample of 61,519 full-text research papers, uploaded to PubMed Central between the years 2016 and 2021, in order to answer the questions:

What is the typical overall length of a research paper? and how long should each section be?

I used the BioC API to download the data (see the References section below).

Here’s a summary of the key findings

1- The median length of a research paper is 4,133 words (equivalent to 166 sentences or 34 paragraphs), excluding the abstract and references, with 90% of papers being between 2,023 and 8,284 words.

2- A typical article is divided in the following way:

  • Introduction section: 14.6% of the total word count.
  • Methods section: 29.7% of the total word count.
  • Results section: 26.2% of the total word count.
  • Discussion section: 29.4% of the total word count.

Notice that the Materials and methods is the longest section of a professionally written article. So always write this section in enough depth to provide the readers with the necessary details that allow them to replicate your study if they wanted to without requiring further information.

Overall length of a research paper

Let’s start by looking at the maximum word count allowed in some of the well-known journals. Note that the numbers reported in this table include the Abstract , Figure legends and References unless otherwise specified:

JournalMaximum Length Allowed
for
Maximum Length Allowed
for
Nature9,000 words 9,000 words
Elsevier Journals8,000 words8,000 words
Cancer5,000 words6,000 words
Neurology4,850 words 5,350 words
Science4,500 words6,000 words
Blood4,000 words 4,000 words
Annals of Internal Medicine3,775 words 4,275 words
Journal of Clinical Psychiatry3,250 words 5,250 words
Pediatrics3,000 words4,000 words

[1] excluding figure legends [2] excluding references

⚠ Note A review paper is either a systematic review or a meta-analysis, and an original research paper refers to either an observational or an experimental study conducted by the authors themselves.

Notice the large variability between these journals: The maximum number of words allowed ranges between 3,000 and 9,000 words.

Next, let’s look at our data.

Here’s a table that describes the length of a research paper in our sample:

Article Length
(Word Count)
Article Length
(Sentence Count)
Article Length
(Paragraph Count)
Minimum271 words12 sentences4 paragraphs
25th Percentile3,118 words125 sentences26 paragraphs
50th Percentile (Median)4,113 words166 sentences34 paragraphs
Mean4,539 words184 sentences40 paragraphs
75th Percentile5,494 words220 sentences46 paragraphs
Maximum48,163 words3,438 sentences1,736 paragraphs

90% of research papers have a word count between 2,023 and 8,284. So it will be a little weird to see a word count outside of this range.

Our data also agree that a typical review paper is a little bit longer than a typical original research paper but not by much (3,858 vs 3,708 words).

Length of each section in a research article

The median article with an IMRaD structure (i.e. contains the following sections: Introduction , Methods , Results and Discussion ) is in general characterized by a short 553 words introduction. And the methods, results and discussion sections are about twice the size of the introduction:

Median Word CountLength in Percent
of the Total Word Count
Introduction Section553 words14.6%
Methods Section1,126 words29.7%
Results Section991 words26.2%
Discussion Section1,115 words29.5%

For more information, see:

  • How Long Should a Research Title Be? Data from 104,161 Examples
  • How Long Should the Abstract Be? Data 61,429 from Examples
  • How Long Should the Introduction of a Research Paper Be? Data from 61,518 Examples
  • How Long Should the Methods Section Be? Data from 61,514 Examples
  • How Long Should the Results Section Be? Data from 61,458 Examples
  • How Long Should the Discussion Section Be? Data from 61,517 Examples
  • Length of a Conclusion Section: Analysis of 47,810 Examples
  • Comeau DC, Wei CH, Islamaj Doğan R, and Lu Z. PMC text mining subset in BioC: about 3 million full text articles and growing,  Bioinformatics , btz070, 2019.
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  • Research Papers

How to Write a Research Introduction

Last Updated: December 6, 2023 Fact Checked

This article was co-authored by Megan Morgan, PhD . Megan Morgan is a Graduate Program Academic Advisor in the School of Public & International Affairs at the University of Georgia. She earned her PhD in English from the University of Georgia in 2015. There are 7 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 2,656,968 times.

The introduction to a research paper can be the most challenging part of the paper to write. The length of the introduction will vary depending on the type of research paper you are writing. An introduction should announce your topic, provide context and a rationale for your work, before stating your research questions and hypothesis. Well-written introductions set the tone for the paper, catch the reader's interest, and communicate the hypothesis or thesis statement.

Introducing the Topic of the Paper

Step 1 Announce your research topic.

  • In scientific papers this is sometimes known as an "inverted triangle", where you start with the broadest material at the start, before zooming in on the specifics. [2] X Research source
  • The sentence "Throughout the 20th century, our views of life on other planets have drastically changed" introduces a topic, but does so in broad terms.
  • It provides the reader with an indication of the content of the essay and encourages them to read on.

Step 2 Consider referring to key words.

  • For example, if you were writing a paper about the behaviour of mice when exposed to a particular substance, you would include the word "mice", and the scientific name of the relevant compound in the first sentences.
  • If you were writing a history paper about the impact of the First World War on gender relations in Britain, you should mention those key words in your first few lines.

Step 3 Define any key terms or concepts.

  • This is especially important if you are attempting to develop a new conceptualization that uses language and terminology your readers may be unfamiliar with.

Step 4 Introduce the topic through an anecdote or quotation.

  • If you use an anecdote ensure that is short and highly relevant for your research. It has to function in the same way as an alternative opening, namely to announce the topic of your research paper to your reader.
  • For example, if you were writing a sociology paper about re-offending rates among young offenders, you could include a brief story of one person whose story reflects and introduces your topic.
  • This kind of approach is generally not appropriate for the introduction to a natural or physical sciences research paper where the writing conventions are different.

Establishing the Context for Your Paper

Step 1 Include a brief literature review.

  • It is important to be concise in the introduction, so provide an overview on recent developments in the primary research rather than a lengthy discussion.
  • You can follow the "inverted triangle" principle to focus in from the broader themes to those to which you are making a direct contribution with your paper.
  • A strong literature review presents important background information to your own research and indicates the importance of the field.

Step 2 Use the literature to focus in on your contribution.

  • By making clear reference to existing work you can demonstrate explicitly the specific contribution you are making to move the field forward.
  • You can identify a gap in the existing scholarship and explain how you are addressing it and moving understanding forward.

Step 3 Elaborate on the rationale of your paper.

  • For example, if you are writing a scientific paper you could stress the merits of the experimental approach or models you have used.
  • Stress what is novel in your research and the significance of your new approach, but don't give too much detail in the introduction.
  • A stated rationale could be something like: "the study evaluates the previously unknown anti-inflammatory effects of a topical compound in order to evaluate its potential clinical uses".

Specifying Your Research Questions and Hypothesis

Step 1 State your research questions.

  • The research question or questions generally come towards the end of the introduction, and should be concise and closely focused.
  • The research question might recall some of the key words established in the first few sentences and the title of your paper.
  • An example of a research question could be "what were the consequences of the North American Free Trade Agreement on the Mexican export economy?"
  • This could be honed further to be specific by referring to a particular element of the Free Trade Agreement and the impact on a particular industry in Mexico, such as clothing manufacture.
  • A good research question should shape a problem into a testable hypothesis.

Step 2 Indicate your hypothesis.

  • If possible try to avoid using the word "hypothesis" and rather make this implicit in your writing. This can make your writing appear less formulaic.
  • In a scientific paper, giving a clear one-sentence overview of your results and their relation to your hypothesis makes the information clear and accessible. [10] X Trustworthy Source PubMed Central Journal archive from the U.S. National Institutes of Health Go to source
  • An example of a hypothesis could be "mice deprived of food for the duration of the study were expected to become more lethargic than those fed normally".

Step 3 Outline the structure of your paper.

  • This is not always necessary and you should pay attention to the writing conventions in your discipline.
  • In a natural sciences paper, for example, there is a fairly rigid structure which you will be following.
  • A humanities or social science paper will most likely present more opportunities to deviate in how you structure your paper.

Research Introduction Help

length of introduction in research paper

Community Q&A

Community Answer

  • Use your research papers' outline to help you decide what information to include when writing an introduction. Thanks Helpful 0 Not Helpful 1
  • Consider drafting your introduction after you have already completed the rest of your research paper. Writing introductions last can help ensure that you don't leave out any major points. Thanks Helpful 0 Not Helpful 0

length of introduction in research paper

  • Avoid emotional or sensational introductions; these can create distrust in the reader. Thanks Helpful 51 Not Helpful 12
  • Generally avoid using personal pronouns in your introduction, such as "I," "me," "we," "us," "my," "mine," or "our." Thanks Helpful 32 Not Helpful 7
  • Don't overwhelm the reader with an over-abundance of information. Keep the introduction as concise as possible by saving specific details for the body of your paper. Thanks Helpful 25 Not Helpful 14

You Might Also Like

Publish a Research Paper

  • ↑ https://library.sacredheart.edu/c.php?g=29803&p=185916
  • ↑ https://www.aresearchguide.com/inverted-pyramid-structure-in-writing.html
  • ↑ https://libguides.usc.edu/writingguide/introduction
  • ↑ https://writing.wisc.edu/Handbook/PlanResearchPaper.html
  • ↑ https://dept.writing.wisc.edu/wac/writing-an-introduction-for-a-scientific-paper/
  • ↑ https://writing.wisc.edu/handbook/assignments/planresearchpaper/
  • ↑ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3178846/

About This Article

Megan Morgan, PhD

To introduce your research paper, use the first 1-2 sentences to describe your general topic, such as “women in World War I.” Include and define keywords, such as “gender relations,” to show your reader where you’re going. Mention previous research into the topic with a phrase like, “Others have studied…”, then transition into what your contribution will be and why it’s necessary. Finally, state the questions that your paper will address and propose your “answer” to them as your thesis statement. For more information from our English Ph.D. co-author about how to craft a strong hypothesis and thesis, keep reading! Did this summary help you? Yes No

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Getting a Strong Start: Best Practices for Writing an Introduction

  • Research Process

This white paper outlines specific actions authors can take to put together a strong introduction to research they would like published in the top journals.

Updated on September 15, 2018

Getting a Strong Start: Best Practices for Writing an Introduction

The Introduction to a research paper needs to convince the reader that your work is important and relevant, frame the questions being addressed, and provide context for the findings being presented. For an audience of researchers who constantly need to make decisions about how best to invest their time and which articles to read, an Introduction needs to “sell” your paper to the reader.

Below is a preview of our white paper outlining specific actions that authors can take to put together a strong introduction section. It covers the following topics:

Purpose and Structure

  • Providing Appropriate Citations
  • Concluding Remarks

Most importantly, you need to present a clear research question and convince your reader that your work fills a gap in current knowledge - if the readers do not believe that your paper will improve their understanding of the field in a meaningful way, they are less likely to invest valuable time and effort in reading it carefully.

A well-written Introduction prepares a reader for the information that follows, engaging him or her in the research questions and providing enough information to understand and appreciate the methods, findings, and implications. In contrast, a poor Introduction fails to provide appropriate background and contextual information or does not adequately explain the research questions, ultimately leaving the reader unengaged and unlikely to fully appreciate the results or implications of the research.

The structure and length of an Introduction are not set in stone and can vary across fields and publications, but this section ultimately serves a single purpose: to lead the reader through a narrative that ends with presentation of the research and the reasons for its importance.

The ideal structure of such a narrative is a “funnel” that starts with broad conceptual information and gradually narrows in scope and specificity until the information presented is specific to the research questions being addressed. This structure allows you to use the Introduction to tell a story that progresses logically and guides a reader from broad and familiar concepts, through the paper's scientific background and rationale, to research questions that are clearly understood and supported.

An Introduction should open by presenting the broad context of the area of study and providing a familiar framework on which the subsequent elaborations are built. In addition to providing context for the research being described, opening with familiar concepts also engages readers and primes them for the information that follows. The opening statements also provide an opportunity to convince readers of the importance and relevance of the research, engaging their interest from the outset; e.g., for a theoretical paper, this might simply be furthering our scientific knowledge; for a clinical paper, the research might relate to a medical condition that affects a sizeable population; or, for a management paper, the research might help to relate human behavior to running a successful company.

Continue reading "Getting Started: Best Practices for Writing an Introduction" by downloading the full white paper here .

Check out our other "Best Practices for Writing" white papers to get tips for other sections of your research manuscript:

Setting the Scene: Best Practices for Writing Materials and Methods

Reaping the Rewards: Best Practices for Writing a Results Section

Michael Bendiksby, Instructional Designer at North Carolina Administrative Office of the Courts, PhD, Neuroscience, Duke University

Michael Bendiksby, PhD

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length of introduction in research paper

How Long Should a Research Paper Be?

length of introduction in research paper

How Long Should A Research Paper Be? An Overview

In short, research paper's average length can range from 1,500 words for research proposals and case studies - all the way to 100,000 words for large dissertations.

Research, by its nature of being complex, requires a careful and thorough elucidation of facts, notions, information, and the like - which is all reflected in its most optimal length.

Thus, one of the critical points that you need to focus on when writing either a complex research paper or a less complex research paper is your objective and how you can relay the latter in a particular context. Say you are writing a book review. Since you will only need to synthesize information from other sources to solidify your claim about a certain topic, you will perhaps use paraphrasing techniques, which offer a relatively lower word count when compared to a full-blown descriptive research paper.

Even when both types of research differ in word counts, they can effectively attain their objectives, given the different contexts in which they are written and constructed. 

Certainly, when asked about how long is a research paper, it surely depends on the objective or the type of research you will be using. Carrying out these objectives will warrant you to do certain paper writing tasks and techniques that are not necessarily long or short when you compare them to other research types. 

At Studyfy, we care for the attainment of your research objectives. We understand that achieving such will contribute to the success of your research completion. While maintaining the ideal word count for a research paper, you are in a meaningful position to understand the various elements that can enrich your paper, even if it looks overwhelming.

How Long Should the Introduction of a Research Paper Be?

The research introduction section most likely occupies approximately 30-40% of the entire research paper.

The introduction of a regular academic paper can total 1750-2000 words depending on the research type and complexity of the research niche or topic. That is why, in writing this section, you must enrich the content of your paper while maintaining readability and coherence for the benefit of your readers.

The introduction houses the background of the study. This is the part of the paper where the entire context of the paper is established. We all know that the research context is important as it helps the readers understand why the paper is even conducted in the first place. Thus, the impression of having a well-established context can only be found in the introduction. Now that we know the gravity of creating a good introduction, let us now ask how long this section should be.

Generally speaking, the paper’s introduction is the longest among all the sections. Aside from establishing the context, the introduction must house the historical underpinnings of the study (important for case studies and ethnographic research), salient information about all the variables in the study (including their relationship with other variables), and related literature and studies that can provide insight into the novelty and peculiarities of the current research project.

Subsection Description Percentage of Introduction Word Count
Context Establishment and Introduction of Key Terms Articulates the background of the study, including historical, social, economic, psychological contexts, and defines key terms both operationally and theoretically. 20% 350-500 words
Related Literature and Studies Critiques and integrates existing literature and studies to highlight the research gap that the study aims to fill. 25% 450-600 words
Thesis Statement A straightforward statement or a couple of sentences relaying the identified research gap. 5% 90-100 words
Objectives or Research Questions Outlines the aims of the study, highlighting the inquiries concerning the relationship between the variables and the progress to fill in the identified gaps. 5% 90-100 words

To better understand the general composition of your research introduction, you may refer to the breakdown of this section below:

  • Context Establishment and Introduction of Key Terms. In this subsection, you will articulate the background (historical, social, economic, psychological, etc.) of the study, including the ecosystem and the niche of your study interest. Furthermore, key terms found as variables in your study must be properly defined operationally and theoretically, if necessary. This comprises 20% of the introduction, or about 350-500 words.
  • Related Literature and Studies. This is the subsection where you will criticize and integrate existing literature and studies to highlight the research gap that you intend to fill in. This comprises 25% of the introduction or about 450-600 words.
  • Thesis statement. This part of the introduction can only be a paragraph or a couple of sentences, as this needs to be straightforward in relaying the identified research gap of the researchers. This comprises 5% of the introduction or about 90-100 words.
  • Objectives or Research Questions. This subsection should outline the aims of the study, especially highlighting the inquiries that concern the relationship between the variables and how the research will progress to fill in the identified gaps. This comprises 5% of the introduction or about 90-100 words.

Theoretical and/or Conceptual Framework. These frameworks, when better assisted with a visual representation, guide the entire research process and provide a structure for understanding the relationship between the variables in the study. This comprises 10% of the introduction or about 180-200 words.

length of introduction in research paper

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Elements of Good Research Writing Process– While Maintaining the Ideal Word Count!

  • Clarity of Purpose . All types of writing, whether long or short, have its clarity of purpose as the heart of the text. In research, it is manifested through the inclusion of a research question or hypothesis. A good research paper does not repeat these elements without a purpose in mind. Though they can be emphasized throughout the development of the paper, the manner of doing it must be in a logical and purposeful way. 

To guide you in writing process of doing so, you can ask yourself the following questions:

  • Is the research question or hypothesis clearly stated?
  • Does the introduction provide a clear overview of the purpose of the study?
  • Does the purpose of the study repeat purposefully in the latter sections of the paper?
  • Does the purpose of the study repeat logically in the latter sections of the paper?

2. Literature Review . When appending related literature and studies to your paper, the question must not revolve around whether you have supplied a lot of these pieces of information, making your article wordy and ideal. While the literature review adds a significant ‘chunk’ to your paper, with some paper formats even allotting a specific section for it, we must carefully consider what and how we can integrate them. It subsequently entails a critical analysis of a piece of literature or study and logically places it beside information that you desire to contest. As they say, a good literature review identifies knowledge gaps, highlights the author’s familiarity with the topic, and provides an overview of the research areas that show a disparity of agreement. In order to have these characteristics, you can ask yourself the following questions:

  • Have I integrated relevant literature in my review?
  • Have I placed it logically within a specific piece of information based on my presumption?
  • Do they identify a concept or piece of information that is otherwise unknown to the field?
  • Have I critically analyzed existing research to identify the research gap?

3. Logical Flow. Research will not be whole without its parts. Researchers must know how to tie everything together and ensure that each part is functional in itself and supplements with other parts. When dealing with a large body of text, the logical flow of the paper might be a considerable concern. Along with the confusion brought about by the wordiness and complexity of the topic, your readers might get lost because of incoherence and inconsistencies with the presentation of ideas, leading to them not reading your paper any further. Thus, while ensuring that you get the word count that you want, you might want to ask yourself these questions first:

  • Does the introduction progress logically from the general background to the specific research question?
  • Do the transition devices between sections and individual paragraphs of the body facilitate a smooth flow of ideas?
  • Is there a clear hierarchy of ideas, with each paragraph contributing to the overall argument?
  • Have I organized ideas in a way that makes the document easy to track?
  • Have I pursued a logical sequence of presenting information?

4. Language Use and Style. Developing an academic language throughout your paper and maintaining a formal style of paper writing are all the more important in research writing process, and mind you, it can also help you increase your word count in a sustainable way! Incorporating this form of language and style into your paper entails more than just adding incoherent or overly manufactured words that may be viewed as fillers.

Strategies and known practices are said to hit multiple objectives without compromising the quality of the paper. You may expand your points by providing detailed explanations, introducing sufficient pieces of evidence that supports your claims, addressing counterargument through the presentation of related literature or studies, or clarifying complex concepts through chunking. To better understand these techniques, some of these questions might be helpful for you:

  • Is the language clear and concise?
  • Have I avoided unnecessary jargon or complex sentences or paragraphs?
  • Have I avoided repetition or redundancy in the document?
  • Have I expanded on key points by providing more detailed explanations and examples?
  • Have I discussed nuances, variations, or exceptions to your results?
  • Have I clarified some complex concepts or theories by chunking them into more detailed explanations?

How Long Should a Paragraph Be in a Research Paper?

For the research paper introduction section, a typical paragraph count will be 12-15, excluding the literature review section. Each subsection has 1-2 individual paragraphs. The mentioned section, on the other hand, can have paragraphs totaling 10-20. The conclusion section, on the other hand, is considered ideal if it has 5-7 paragraphs. 

The paragraph count differs from one research type to another and even from one paper section to another. While it is worth deciding how long should a paragraph be in a research paper, it is more important to take note of the importance of ideas that should be included in each paragraph within a certain section. Take the review of the literature section as an example. The number of literature in the paper is said to be equal to the number of paragraphs allotted for the section. The reason lies in the uniformity of importance these pieces of literature hold, provided that they are closely associated with the research gap. 

Do you feel like you need to pay for a research paper in hopes of finding a model article with the right paragraph count? Look no further, as Studyfy has its in-house research paper writing service that houses professionals and experts for your academic paper writing help. Its reasonable price– no deadline markup nor additional hidden charges– is tantamount to the expertise each writer has put into their work.

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How Long Should a Conclusion Be in a Research Paper?

A concluding section, then, must only comprise 5% of the total word count of the paper, translating to approximately 400 words. This measly allocation may put you into a flimsy situation, especially if you do not know how to manage your vocabulary well and you keep on adding filler words that can sacrifice the importance of this section. Ditch the nonsense and construct your conclusion in a concise yet enriching way.

In concluding a research paper, it is important to always synthesize the big chunks of information examined in the data analysis and discussion. As worn out as the reader may look after reaching this point, the conclusion must act as a “mellow point” for them, entrusting them only with important pointers of the study. Sometimes, the conclusion part of the paper, even though less wordy than its preceding sections, may be difficult to construct, as you still need to have a basis– a scaffold– to refer to, and synthesizing, just like analyzing and evaluating data, is just as hard and laborious.

Through its superb essay writing services , plus applying top-notch quality assurance to academic papers like research articles, Studyfy can help you achieve the best for last with an effective, meaningful, and content-rich conclusion. Your readers will not think twice about using your study as a model for their own works!

How Long is a Research Paper in terms of its Various Types?

As mentioned in the first part of the article, the word count of an academic paper is dependent on the type of research you wish to conduct. While the general word count has been given, we cannot deny the fact that this threshold is only an estimation. There might be a time when you are tasked to create a research article that is different from a standard IMRAD-structured (Introduction, Methodology, Results, Analysis, Discussion) research paper. You are in for a treat, as we will provide you with a cheat sheet for the word count of several types of write-ups in the realm of research:

length of introduction in research paper

Research Proposal

Specific Purpose/s: A preliminary outline that contains the research question, minimal literature review, methodology, and significance of the research undertaking.

"Word Count Range: 1500-3000 words"

Review Article

Specific Purpose/s: Review bodies of literature about an overarching topic or niche, analyze a particular section, synthesize according to certain themes, and identify knowledge gaps from the findings.

"Word Count Range: 5000-10,000 words"

Meta-Analysis

Specific Purpose/s: Involves the use of statistical analyses of multiple studies to provide a quantitative synthesis of the evidence.

"Word Count Range: 5000-15,000 words"

Specific Purpose/s: Presents an in-depth and intrusive analysis of a specific case, one which aims to illustrate a broader concept or novel phenomenon.

"Word Count Range: 1500-5000 words"

Conference Paper

Specific Purpose/s: Presents a brief introduction, salient research findings, and implications connected to a given theme by a conference or colloquium.

"Word Count Range: 2000-5000 words"

Dissertation

Specific Purpose/s: Regarded as a terminal scholarly requirement for doctorate students, this is an in-depth discussion of an otherwise original research finding, often written in chapters. It contributes significantly to the body of knowledge of a particular study of interest.

"Word Count Range: 50,000-100,000 words (depending on the institution)"

Are you contemplating buying research papers of different types? Studyfy got your back! Its roster of writers and editing experts leaves no space for errors, ensuring that both quality and quantity– that’s right: content and word count are not compromised. The variety of expertise within ensures that all research and scholarly works are delivered to your liking. Pay less– no hidden charges and markups while you enjoy the best quality of writing with Studyfy.

Frequently Asked Questions

How long is the introduction in a research paper.

AThe introduction takes up about 30-40% of the entire paper since the context and research background should be specified and further discussed. For a general academic paper with 4000 words, the introduction must be approximately 1500 words. You can do the math for the rest!

How long is a research paper, considering that there are many of them?

There is no one-size-fits-all guideline in determining the word count of a plethora of research papers in the world. Although there is an accepted word count range for each research type (as presented in the previous section), there are several factors that should likewise be considered in determining the word count: specific guidelines set by the institution you are working with, the complexity of the topic, audience, and depth of analysis. 

Do I have to include all of the prescribed subsections of the introduction to increase the word count?

While the prescribed subsections have significant functions in the research paper introduction, some of them are not required to be included. The decisions depend on the type of research you wish to conduct and the external guidelines that you might need to follow. Some disciplines, such as social sciences, require a research article to have a theoretical framework, whereas others do not. Some research papers follow the standard IMRAD paper format that infuses the literature review section into the introduction, while the Germanic Thesis paper format, for example, regards the former as a separate section.

How do I increase my word count without compromising the quality of my research paper?

The dilemma of choosing quality over quantity has long been debunked: you do not have to choose in the first place. All you need is a set of writing strategies and techniques that will target those two birds using one stone. You may provide more detail to some ambiguous or novel terms. You can add additional works of literature to some concepts that promote abstraction. You may include examples or empirical pieces of evidence to create a more concrete representation of a concept or theory. Lastly, you may use subheadings to efficiently allocate word count for your chosen discussion topics.

Why is it important to track the word count of a research paper?

There are various reasons why we need to do it. Some institutions that publish scholarly journals follow certain guidelines in word count as one of the primary requirements. A specified limit enables researchers to allocate the number of words to several sections of their writing efficiently. Most institutions also use paper length as a predictor of publication cost. The longer the word count is, the costlier the publication will be. Lastly, reading engagement is affected by word count, as readers tend to shy away from reading an article that is long, boring, and insubstantial. 

Can a writing service help me achieve my goals of writing within the right word count range?

Certainly! Studyfy offers several academic services, including writing services and Excel assignment help . Understanding your various writing needs, writers can cater to the needed style, word count, formatting, and any other aspects so that you can have the best quality write-up without having to fear extra charges and big markups.

How to Write the Introduction to a Scientific Paper?

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length of introduction in research paper

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  • Atul Kakar 5 &
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An Introduction to a scientific paper familiarizes the reader with the background of the issue at hand. It must reflect why the issue is topical and its current importance in the vast sea of research being done globally. It lays the foundation of biomedical writing and is the first portion of an article according to the IMRAD pattern ( I ntroduction, M ethodology, R esults, a nd D iscussion) [1].

I once had a professor tell a class that he sifted through our pile of essays, glancing at the titles and introductions, looking for something that grabbed his attention. Everything else went to the bottom of the pile to be read last, when he was tired and probably grumpy from all the marking. Don’t get put at the bottom of the pile, he said. Anonymous

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length of introduction in research paper

The Introduction Section

length of introduction in research paper

Abstract and Keywords

length of introduction in research paper

Writing and publishing a scientific paper

1 what is the importance of an introduction.

An Introduction to a scientific paper familiarizes the reader with the background of the issue at hand. It must reflect why the issue is topical and its current importance in the vast sea of research being done globally. It lays the foundation of biomedical writing and is the first portion of an article according to the IMRAD pattern ( I ntroduction, M ethodology, R esults, a nd D iscussion) [ 1 ].

It provides the flavour of the article and many authors have used phrases to describe it for example—'like a gate of the city’ [ 2 ], ‘the beginning is half of the whole’ [ 3 ], ‘an introduction is not just wrestling with words to fit the facts, but it also strongly modulated by perception of the anticipated reactions of peer colleagues’, [ 4 ] and ‘an introduction is like the trailer to a movie’. A good introduction helps captivate the reader early.

figure a

2 What Are the Principles of Writing a Good Introduction?

A good introduction will ‘sell’ an article to a journal editor, reviewer, and finally to a reader [ 3 ]. It should contain the following information [ 5 , 6 ]:

The known—The background scientific data

The unknown—Gaps in the current knowledge

Research hypothesis or question

Methodologies used for the study

The known consist of citations from a review of the literature whereas the unknown is the new work to be undertaken. This part should address how your work is the required missing piece of the puzzle.

3 What Are the Models of Writing an Introduction?

The Problem-solving model

First described by Swales et al. in 1979, in this model the writer should identify the ‘problem’ in the research, address the ‘solution’ and also write about ‘the criteria for evaluating the problem’ [ 7 , 8 ].

The CARS model that stands for C reating A R esearch S pace [ 9 , 10 ].

The two important components of this model are:

Establishing a territory (situation)

Establishing a niche (problem)

Occupying a niche (the solution)

In this popular model, one can add a fourth point, i.e., a conclusion [ 10 ].

4 What Is Establishing a Territory?

This includes: [ 9 ]

Stating the general topic and providing some background about it.

Providing a brief and relevant review of the literature related to the topic.

Adding a paragraph on the scope of the topic including the need for your study.

5 What Is Establishing a Niche?

Establishing a niche includes:

Stating the importance of the problem.

Outlining the current situation regarding the problem citing both global and national data.

Evaluating the current situation (advantages/ disadvantages).

Identifying the gaps.

Emphasizing the importance of the proposed research and how the gaps will be addressed.

Stating the research problem/ questions.

Stating the hypotheses briefly.

Figure 17.1 depicts how the introduction needs to be written. A scientific paper should have an introduction in the form of an inverted pyramid. The writer should start with the general information about the topic and subsequently narrow it down to the specific topic-related introduction.

figure 1

Flow of ideas from the general to the specific

6 What Does Occupying a Niche Mean?

This is the third portion of the introduction and defines the rationale of the research and states the research question. If this is missing the reviewers will not understand the logic for publication and is a common reason for rejection [ 11 , 12 ]. An example of this is given below:

Till date, no study has been done to see the effectiveness of a mesh alone or the effectiveness of double suturing along with a mesh in the closure of an umbilical hernia regarding the incidence of failure. So, the present study is aimed at comparing the effectiveness of a mesh alone versus the double suturing technique along with a mesh.

7 How Long Should the Introduction Be?

For a project protocol, the introduction should be about 1–2 pages long and for a thesis it should be 3–5 pages in a double-spaced typed setting. For a scientific paper it should be less than 10–15% of the total length of the manuscript [ 13 , 14 ].

8 How Many References Should an Introduction Have?

All sections in a scientific manuscript except the conclusion should contain references. It has been suggested that an introduction should have four or five or at the most one-third of the references in the whole paper [ 15 ].

9 What Are the Important Points Which Should be not Missed in an Introduction?

An introduction paves the way forward for the subsequent sections of the article. Frequently well-planned studies are rejected by journals during review because of the simple reason that the authors failed to clarify the data in this section to justify the study [ 16 , 17 ]. Thus, the existing gap in knowledge should be clearly brought out in this section (Fig. 17.2 ).

figure 2

How should the abstract, introduction, and discussion look

The following points are important to consider:

The introduction should be written in simple sentences and in the present tense.

Many of the terms will be introduced in this section for the first time and these will require abbreviations to be used later.

The references in this section should be to papers published in quality journals (e.g., having a high impact factor).

The aims, problems, and hypotheses should be clearly mentioned.

Start with a generalization on the topic and go on to specific information relevant to your research.

10 Example of an Introduction

figure b

11 Conclusions

An Introduction is a brief account of what the study is about. It should be short, crisp, and complete.

It has to move from a general to a specific research topic and must include the need for the present study.

The Introduction should include data from a literature search, i.e., what is already known about this subject and progress to what we hope to add to this knowledge.

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Samiran Nundy

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Institute for Global Health and Development, The Aga Khan University, South Central Asia, East Africa and United Kingdom, Karachi, Pakistan

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Nundy, S., Kakar, A., Bhutta, Z.A. (2022). How to Write the Introduction to a Scientific Paper?. In: How to Practice Academic Medicine and Publish from Developing Countries?. Springer, Singapore. https://doi.org/10.1007/978-981-16-5248-6_17

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Detailing the Writing of Scientific Manuscripts: 25-30 Paragraphs

In their professional practices, physicians often face unexpected situations or chance on innovative proposals and ideas. As a result of their training and competence, they usually come up with hypotheses to be tested and research is conducted. This research is completed and their results submitted for presentations at conferences as free communications. Nevertheless, the realization of this creative process is only complete when a scientific manuscript is published in a journal. At this ultimate stage, most efforts seem not be brought to a standstill 1 , 2 . There are several reasons why scholars, interns, residents, graduate students and even experienced physicians may find it difficult to move forward from congress' abstracts to full manuscripts published in journals. However, the most significant hindrance rests with the difficulty writing the mere 25-30 paragraphs of an original manuscript. Many freeze and give up in front of a blank paper or a blinking cursor on a blank word processor's page on the monitor screen. In the previous manuscript 3 , we analyzed and suggested improvements to the process of peer review. In this point of view, we propose a practical strategy to systematize the writing of scientific paragraphs, aiming to simplify the task of scientific writing. This way, our intent is to increase the rate of publication of full manuscripts based on several outstanding abstracts presented annually at major medical conferences, and facilitate the currently overburdened process of peer review.

The format of scientific communication has been evolving greatly over the centuries 4 - 7 , making reading more objective and standardized. One of the important tools in this process is the IMRaD format 4 , 5 , 7 , an acronym derived from the initials of the main sections of a manuscript - introduction, methods, results and discussion. Throughout the twentieth century, the IMRaD format has been increasingly applied, accounting for about 10% of the manuscripts in the 1950s, being dominant in the 1960s, and reaching 80% in the 1970s 7 . Presently, IMRad is the format recommended and adopted by the main medical journals all over the world, including the ABC ( Arquivos Brasileiros de Cardiologia ).

In addition to the IMRaD format, original manuscripts submitted for publication should meet specific standards and rules of each journal. Although a fairly uniform pattern tends to prevail, there are differences that should be observed at the time of writing. For instance, the number of words is limited to 4,500 in ABC and 5,000 in JACC, including text and references. Considering that the references are usually limited to 30-40, and have around 1,000 words, circa 3,500-4,000 are left for the text's body, i.e., to be used in the 25-30 paragraphs of IMRaD, representing about 130 words each.

In the pursuit for evidence and objective data, as a convenience sample, all original manuscripts published in the January 2012 and 2013 editions of ABC and JACC journals have been analyzed (the first two numbers of these months for the latter). There was a fairly clear trend about the total number of paragraphs and distribution of paragraphs in four sections of the IMRaD of a manuscript. For the 20 ABC's manuscripts and 34 JACC's ones, the average number of paragraphs was 28.9 and 28.2 (p = 0.703), respectively, with 1/3 of them having 25-30 paragraphs, and 57% of the total manuscripts having overall 22-33 paragraphs. This relative constancy should be observed and highlighted, considering that the topics and areas covered, as well as the background and the nationality of the authors, are quite different. Thus, this confirms the assumption that there is a basic format to be followed for an effective publication.

Figure 1 illustrates the distribution of paragraphs for the various IMRaD sections in the two journals analyzed. Although there is some variability among the manuscripts, the introduction is clearly a section with fewer paragraphs (p < 0.001), while the remaining sections are somewhat balanced (p > 0.05), especially for original manuscripts of JACC, in which the sections of methods, results and discussion tend to have eight to nine paragraphs. When the distributions of paragraphs between ABC and JACC are compared, introductions and discussions tend to have more paragraphs in ABC than in JACC, respectively, 3.8 versus 2.4 (p < 0.01) and 10.4 versus 8.8 (p = 0.04).

An external file that holds a picture, illustration, etc.
Object name is abc-102-02-0e21-g01.jpg

Comparative analysis on the number of paragraphs per section of IMRaD for original manuscripts between Arquivos Brasileiros de Cardiologia (Arq Bras Cardiol) and Journal of The American College of Cardiology (JACC). I: introduction; M: methods; R: results; D: discussion. The box-plot represents median values, the first and third quartiles and 5 th and 95 th percentiles.*Significant difference between the number of paragraphs of the two journals for this section.

Based on these results, in our personal experience as authors of original manuscripts and according to other authors' opinions 4 , 8 - 10 , a simple content model may be proposed within the IMRaD format, taking 25-30 paragraphs as standard for an original manuscript. For practical purposes, one page is considered one page in a word processor, with conventional margins and with a 1.5 line spacing and font size 11.

Unfolding the sections

Introduction: 1 page (ideally), maximum 400 words over 1-4 paragraphs (ideally 3) - some journals restrict this to 350 words (E.g.: ABC); 5-10 references.

Methods: 2-3 pages (possibly higher in experiments resorting to innovative methods or plenty of techniques or sophisticated statistics) - not exceeding 750 words over 6 9 paragraphs; 5-15 references

Results: 2-3 pages of text, figures and tables, as strictly necessary; not exceeding 1,000 words over 4-9 paragraphs; usually without references.

Discussion: 3-4 pages of text; this is usually the most extensive part of the manuscript relating to word count 4 , 8 - 10 , with 1,000-1,500 words distributed over up to 10 paragraphs; including a conclusion paragraph, although some journals consider the latter another text section. The discussion usually has 10-20 references, with some of them possibly appearing in previous text sections.

Unfolding the paragraphs

Introduction.

1. Problem - what is known?

2. Contextualization *

3. Knowledge gap - what is not known?

4. Definition and purpose of the study - what will be studied and the hypothesis or objective; preferably not including results or conclusions *

5. Population and sample - inclusion and/or exclusion criteria; reference to the informed consent form and approval by the ethics committee

6. Population and sample II - description of specific sampling subgroups or, when necessary, in-depth detailing of procedures connected to follow-up and losses *

7. Main methods - most important variable or procedure

8. Main methods II - unfolding the paragraph above *

9. Secondary methods - less important variables

10. Study protocol - detailing of what has been done and how it has been done

11. Study protocol II - additional data when necessary and justified *

12. Statistical analysis - descriptive and inferential methods

13. Statistical analysis II - software and significance level *

14. General data - description of sample and information about the patient selection flow and actual performance of the study

15. Main results - the most important variables

16. Main results II - additional results and other analyzes of the most important variables *

17. Secondary results - the other study variables

18. Secondary results II - additional results of variables or the interrelation or interaction between them *

19. Secondary results III - additional results of variables or the interrelation or interaction between them *

20. Other results and analysis carried out in the study *

21. The problem and the study's "original" proposal - discussing again the study's problem

22. Interpretation of the main result - meaning of what has been found

23. Comparison with the literature - how this result confirms previous data

24. Further comparison with the literature * - exploring methodological or mechanistic differences

25. The main result's contribution to knowledge - the "novelty" or main message or contribution of the research to the current state-of-the-art

26. Interpretation of secondary results - what these results inform or mean

27. Interpretation of secondary results II *

28. Comparison of this study with previous ones - the contribution and developments in this study for the area's knowledge

29. Limits of the study - strengths and weaknesses; the weaknesses and methodological problems of the study and, especially, how these limitations may hinder the practical application of the results and their interpretations. The strengths of the study may also be stressed, possibilities may be pointed out, as well as issues to be further researched - other knowledge gaps

30. Conclusions and implications - this represents a synthesis of the study, usually answering the hypothesis reported in the final paragraph of the introductory section, solving the study objective.

A rather practical observation is that the writing of paragraphs does not need to follow the order of sections or, even, the several paragraphs making up the given section. In practice, most of the experienced authors start with the methods and results, hence following to the discussion, and only then proceeding to the introduction. The title is typically their last concern.

Grounded on the practical strategy presented in this point of view, in keeping with the IMRaD format, we may assert that potential authors will deal better with blinking cursors on the word processor and will deal easily and objectively with the final stage of transforming an outstanding communication at a conference into an excellent original manuscript. This will allow a much larger audience to benefit from their findings and interpretations, forever.

* These paragraphs are optional, and often the contents can se incorporated into the previous paragraph(s).

Potential Conflict of Interest

No potential conflict of interest relevant to this article was reported.

Author contributions

Sources of Funding

This study was partly funded by CNPq and FAPERJ.

Study Association

This study is not associated with any thesis or dissertation work.

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  • How to write an essay introduction | 4 steps & examples

How to Write an Essay Introduction | 4 Steps & Examples

Published on February 4, 2019 by Shona McCombes . Revised on July 23, 2023.

A good introduction paragraph is an essential part of any academic essay . It sets up your argument and tells the reader what to expect.

The main goals of an introduction are to:

  • Catch your reader’s attention.
  • Give background on your topic.
  • Present your thesis statement —the central point of your essay.

This introduction example is taken from our interactive essay example on the history of Braille.

The invention of Braille was a major turning point in the history of disability. The writing system of raised dots used by visually impaired people was developed by Louis Braille in nineteenth-century France. In a society that did not value disabled people in general, blindness was particularly stigmatized, and lack of access to reading and writing was a significant barrier to social participation. The idea of tactile reading was not entirely new, but existing methods based on sighted systems were difficult to learn and use. As the first writing system designed for blind people’s needs, Braille was a groundbreaking new accessibility tool. It not only provided practical benefits, but also helped change the cultural status of blindness. This essay begins by discussing the situation of blind people in nineteenth-century Europe. It then describes the invention of Braille and the gradual process of its acceptance within blind education. Subsequently, it explores the wide-ranging effects of this invention on blind people’s social and cultural lives.

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Table of contents

Step 1: hook your reader, step 2: give background information, step 3: present your thesis statement, step 4: map your essay’s structure, step 5: check and revise, more examples of essay introductions, other interesting articles, frequently asked questions about the essay introduction.

Your first sentence sets the tone for the whole essay, so spend some time on writing an effective hook.

Avoid long, dense sentences—start with something clear, concise and catchy that will spark your reader’s curiosity.

The hook should lead the reader into your essay, giving a sense of the topic you’re writing about and why it’s interesting. Avoid overly broad claims or plain statements of fact.

Examples: Writing a good hook

Take a look at these examples of weak hooks and learn how to improve them.

  • Braille was an extremely important invention.
  • The invention of Braille was a major turning point in the history of disability.

The first sentence is a dry fact; the second sentence is more interesting, making a bold claim about exactly  why the topic is important.

  • The internet is defined as “a global computer network providing a variety of information and communication facilities.”
  • The spread of the internet has had a world-changing effect, not least on the world of education.

Avoid using a dictionary definition as your hook, especially if it’s an obvious term that everyone knows. The improved example here is still broad, but it gives us a much clearer sense of what the essay will be about.

  • Mary Shelley’s  Frankenstein is a famous book from the nineteenth century.
  • Mary Shelley’s Frankenstein is often read as a crude cautionary tale about the dangers of scientific advancement.

Instead of just stating a fact that the reader already knows, the improved hook here tells us about the mainstream interpretation of the book, implying that this essay will offer a different interpretation.

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Next, give your reader the context they need to understand your topic and argument. Depending on the subject of your essay, this might include:

  • Historical, geographical, or social context
  • An outline of the debate you’re addressing
  • A summary of relevant theories or research about the topic
  • Definitions of key terms

The information here should be broad but clearly focused and relevant to your argument. Don’t give too much detail—you can mention points that you will return to later, but save your evidence and interpretation for the main body of the essay.

How much space you need for background depends on your topic and the scope of your essay. In our Braille example, we take a few sentences to introduce the topic and sketch the social context that the essay will address:

Now it’s time to narrow your focus and show exactly what you want to say about the topic. This is your thesis statement —a sentence or two that sums up your overall argument.

This is the most important part of your introduction. A  good thesis isn’t just a statement of fact, but a claim that requires evidence and explanation.

The goal is to clearly convey your own position in a debate or your central point about a topic.

Particularly in longer essays, it’s helpful to end the introduction by signposting what will be covered in each part. Keep it concise and give your reader a clear sense of the direction your argument will take.

As you research and write, your argument might change focus or direction as you learn more.

For this reason, it’s often a good idea to wait until later in the writing process before you write the introduction paragraph—it can even be the very last thing you write.

When you’ve finished writing the essay body and conclusion , you should return to the introduction and check that it matches the content of the essay.

It’s especially important to make sure your thesis statement accurately represents what you do in the essay. If your argument has gone in a different direction than planned, tweak your thesis statement to match what you actually say.

To polish your writing, you can use something like a paraphrasing tool .

You can use the checklist below to make sure your introduction does everything it’s supposed to.

Checklist: Essay introduction

My first sentence is engaging and relevant.

I have introduced the topic with necessary background information.

I have defined any important terms.

My thesis statement clearly presents my main point or argument.

Everything in the introduction is relevant to the main body of the essay.

You have a strong introduction - now make sure the rest of your essay is just as good.

  • Argumentative
  • Literary analysis

This introduction to an argumentative essay sets up the debate about the internet and education, and then clearly states the position the essay will argue for.

The spread of the internet has had a world-changing effect, not least on the world of education. The use of the internet in academic contexts is on the rise, and its role in learning is hotly debated. For many teachers who did not grow up with this technology, its effects seem alarming and potentially harmful. This concern, while understandable, is misguided. The negatives of internet use are outweighed by its critical benefits for students and educators—as a uniquely comprehensive and accessible information source; a means of exposure to and engagement with different perspectives; and a highly flexible learning environment.

This introduction to a short expository essay leads into the topic (the invention of the printing press) and states the main point the essay will explain (the effect of this invention on European society).

In many ways, the invention of the printing press marked the end of the Middle Ages. The medieval period in Europe is often remembered as a time of intellectual and political stagnation. Prior to the Renaissance, the average person had very limited access to books and was unlikely to be literate. The invention of the printing press in the 15th century allowed for much less restricted circulation of information in Europe, paving the way for the Reformation.

This introduction to a literary analysis essay , about Mary Shelley’s Frankenstein , starts by describing a simplistic popular view of the story, and then states how the author will give a more complex analysis of the text’s literary devices.

Mary Shelley’s Frankenstein is often read as a crude cautionary tale. Arguably the first science fiction novel, its plot can be read as a warning about the dangers of scientific advancement unrestrained by ethical considerations. In this reading, and in popular culture representations of the character as a “mad scientist”, Victor Frankenstein represents the callous, arrogant ambition of modern science. However, far from providing a stable image of the character, Shelley uses shifting narrative perspectives to gradually transform our impression of Frankenstein, portraying him in an increasingly negative light as the novel goes on. While he initially appears to be a naive but sympathetic idealist, after the creature’s narrative Frankenstein begins to resemble—even in his own telling—the thoughtlessly cruel figure the creature represents him as.

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Your essay introduction should include three main things, in this order:

  • An opening hook to catch the reader’s attention.
  • Relevant background information that the reader needs to know.
  • A thesis statement that presents your main point or argument.

The length of each part depends on the length and complexity of your essay .

The “hook” is the first sentence of your essay introduction . It should lead the reader into your essay, giving a sense of why it’s interesting.

To write a good hook, avoid overly broad statements or long, dense sentences. Try to start with something clear, concise and catchy that will spark your reader’s curiosity.

A thesis statement is a sentence that sums up the central point of your paper or essay . Everything else you write should relate to this key idea.

The thesis statement is essential in any academic essay or research paper for two main reasons:

  • It gives your writing direction and focus.
  • It gives the reader a concise summary of your main point.

Without a clear thesis statement, an essay can end up rambling and unfocused, leaving your reader unsure of exactly what you want to say.

The structure of an essay is divided into an introduction that presents your topic and thesis statement , a body containing your in-depth analysis and arguments, and a conclusion wrapping up your ideas.

The structure of the body is flexible, but you should always spend some time thinking about how you can organize your essay to best serve your ideas.

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How Long Should a Research Paper be: From Intro to conclusion

research paper length

research paper length

You may be wondering how long your research paper should be? Well, you are not alone. Many students are always asking about the optimal term paper length. This challenge can be further heightened when your instructor has not provided you with the page limit or word count.

Research papers are quite complex because they are academic writings based on your original research on a specific topic. This is why getting our paper writing help can be useful to get that A.

No matter the method you choose, your paper should contain your analysis and interpretation of the findings to be complete.

length of introduction in research paper

When considering all those factors, students often wonder how long their research papers should be. Let’s explore this in detail.

Easy navigation table

How Long Should each part of a Research Paper be

Ideally, the most optimal length of a research paper is around 5 pages for short papers and 10 pages for long ones. However, the exact length of your term paper is best determined by your instructor and his instructions.

The same is determined by a number of factors, including the extent and depth of your subject.

Factors Determining the Length of a Paper

The question of how long a research paper should be can be difficult to respond to because it depends on several factors. The most important factors that determine the length of your term paper include;

Factors determining optimal research paper length

  • The subject of your research
  • The number of topics emerging from the subject,
  • Number and complexity of the subtopics,
  • The magnitude of your findings
  • The extent of your discussions and conclusions.

All those factors held constant; it is possible to estimate the length of a less complex research paper if it is demarcated into sections that include the outline, introduction, individual paragraphs, conclusion, and reference page.

Those are the basic components of a typical research paper . Let’s have a look at how long each section should be.

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How a Term Paper Outline Should be

An outline is an important part of your research paper. It provides the structure of your paper. It organizes the contents of your term paper into sections.

However, the outline does not contain details about your paper. It only highlights the topics to be covered and the issues to be tackled within those topics.

Term paper outline list

A format of an outline should include the following;

  • An Introduction
  • The issue that is being tackled
  • A literature review
  • Methodology
  • Results and discussion
  • Conclusion and recommendation

There are brief full-sentence descriptions under the five sections that act as guidelines for your research paper. Therefore, the outline should not exceed 2 pages for short research papers and between 4 to 5 pages for longer papers with 15 to 20 pages.

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Optimal Length of a Research Paper Introduction

As we have noted, the length of your term paper depends on the topic and its contents. This applies to the introduction. For a typical 5-page research paper, your introduction should not exceed half a page.

However, if you are writing a long essay of 15 pages or more, the introduction may span to a page or several paragraphs. Since most of the research papers given to undergraduate college students are not lengthy, the introduction should not exceed a page.

Recommended length of Individual paragraphs in research paper

conducting research

Even though no definitive rules determine the length of individual paragraphs in a paper, the most recommended length is between 90 words and 130 words. Any paragraph below 90 words is deemed too short to sustain an argument, while one with over 130 words is deemed over-argued.

At the same, it is important to note that the length of the paper determines its length. When the paper is short, then the paragraphs should be short.

If the research paper is long, then the paragraphs should be longer. However, a paragraph should contain more than four sentences. For some topics like childhood obesity , the paragraphs may take longer to incorporate data and statistics in your paper.

Since individual paragraphs should focus on one idea, the length of the paragraph should be determined by the supporting text.

If your idea requires a lot of support in the form of illustrations, examples, statistics, paraphrases, quotes, definitions, causes, and effects, then the paragraph will be longer.

In case the idea presented by the individual paragraph is straightforward and does not require a lot of supporting evidence, then it will be shorter.

The paragraphs add content to the outline. The outline provides topics, subtopics, and guidelines, while the paragraphs add content and further explanations.

How Long Should a Conclusion be

writing the conclusion

A conclusion is a very important part of your research paper. This is because you, as the author of your paper, are wrapping up everything you have discussed in your paper.

Basically, the length of the conclusion is determined by your paper’s length.

The longer the paper, the longer the conclusion, and the shorter it is, the shorter the conclusion. A conclusion should not be below 3 sentences. It will take a few hours to write all these components of your paper.

Even though this is the case, an effective conclusion should have the following characteristics.

Characteristics of a Good Term Paper Conclusion

  • Restatement of the topic of your research
  • Restatement of your thesis. This statement should not be identical to what you wrote in the introduction.
  • Provide a summary of your main points. Do not provide any new information.
  • You can also add up the points to further explain the significance of your points.
  • Make a call to action if it is appropriate or significant to your paper.
  • Respond to the “so what” question. This requires you to explain the context of your paper and why it matters to the readers.

From this, it is evident that the conclusion is very important in your research paper. You may not include all of the above, but it is important to restate your paper’s topic, thesis, and main points. Check our research paper writing guide to learn more about how to write these parts.

How Long should the Reference Page be?

The reference page length completely depends on the number of sources you have used in your paper. Your paper may be lengthy with few sources, while others can be shorter with more.

A good term paper should have a reference page listing all your information sources. Provided that you list the sources in the right referencing format, like APA and MLA , the length of the reference page is not definitive.

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Frequently Asked Questions

How long should a term paper be for high school.

Most teachers in high schools require their students to submit 3 to 5-page research papers. Those are the normal research papers assigned within the semester. However, final research papers like the English 102 papers are between 5 and 7 pages.

What is the optimal graduate paper length?

Even though the topic of the graduate paper determines its length, such papers are considerably longer. This is because they tackle complex topics requiring in-depth explanations, citations, examples, etc. They can be between 7 and 15 pages. They can also exceed the count.

How long should a term paper be for middle school?

The research papers written by students in middle school are considerably shorter than those given to college or graduate school students. The normal papers written within the semester are between 1 and 2 pages, while the final papers are between 2 and 4.

How long should a literature review be for a research paper?

The length of a literature review depends on the purpose and the audience of the term paper. In most of the research papers in college, the literature review should not exceed two pages. For longer papers of more than 10 pages, it can be between 2 and 3 pages.

How to write a term paper fast

To write a research paper fast, begin by selecting a topic. This is followed by researching the topic and working on a thesis. Write the structure of your paper by creating an outline.

Follow the outline and write the paper by beginning with an introduction and ending with a conclusion. Finally, proofread your paper to correct errors. Read our checklist on how to revise your paper to a final copy.

What are the most common types of research paper formats

You must select a specific style when formatting a research or term paper. The most common formats for research papers are MLA, APA, Chicago, and Harvard.

Each format dictates the style of the paper, the spacing, the in-text citation style, and the reference page style. You can get all these done if you get someone to write your homework at a very reasonable cost.

What is the average length of an academic journal article

Most academic journal articles span 20 to 25 pages when they have a one-and-half line spacing. If the academic journals are double-spaced, they can be between 25 and 30 pages. The journal’s word count ranges from 4000 to 7000 words.

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COMMENTS

  1. Writing a Research Paper Introduction

    Table of contents. Step 1: Introduce your topic. Step 2: Describe the background. Step 3: Establish your research problem. Step 4: Specify your objective (s) Step 5: Map out your paper. Research paper introduction examples. Frequently asked questions about the research paper introduction.

  2. How to Write a Research Paper Introduction (with Examples)

    The research paper introduction can vary in size and structure depending on whether your paper presents the results of original empirical research or is a review paper. Some research paper introduction examples are only half a page while others are a few pages long. In many cases, the introduction will be shorter than all of the other sections ...

  3. How Long Should the Introduction of a Research Paper Be? Data from

    The introduction is the shortest section of the research paper (14.6% of the total word count), approximately half the length of other sections (Methods, Results, and Discussion). 3. The length of the introduction does not differ between review articles and original research articles. 4.

  4. How to Write a Research Paper Introduction

    Generally speaking, a good research paper introduction includes these parts: 1 Thesis statement. 2 Background context. 3 Niche (research gap) 4 Relevance (how the paper fills that gap) 5 Rationale and motivation. First, a thesis statement is a single sentence that summarizes the main topic of your paper.

  5. How to write an effective introduction for your research paper

    A commonly recommended length of a research paper introduction is around 10% of the total paper's length. So, a ten-page paper has a one-page introduction. If the topic is complex, it may require more background to craft a compelling intro. Humanities papers tend to have longer introductions than those of the hard sciences.

  6. Research Paper Introduction

    Research paper introduction is the first section of a research paper that provides an overview of the study, its purpose, and the research question (s) or hypothesis (es) being investigated. It typically includes background information about the topic, a review of previous research in the field, and a statement of the research objectives.

  7. How to Write an Introduction for a Research Paper

    After you've done some extra polishing, I suggest a simple test for the introductory section. As an experiment, chop off the first few paragraphs. Let the paper begin on, say, paragraph 2 or even page 2. If you don't lose much, or actually gain in clarity and pace, then you've got a problem. There are two solutions.

  8. How to Write a Research Paper Introduction in 4 Steps

    1. Get your readers' attention. To speak to your readers effectively, you need to know who they are. Consider who is likely to read the paper and the extent of their knowledge on the topic. Then begin your introduction with a sentence or two that will capture their interest.

  9. How to write an introduction for a research paper

    3. Include signposts. A strong introduction includes clear signposts that outline what you will cover in the rest of the paper. You can signal this by using words like, "in what follows," and by describing the steps that you will take to build your argument. 4. Situate your argument within the scholarly conversation.

  10. How to Write an Introduction for a Research Paper

    Introducing Your Topic. Provide a brief overview, which should give the reader a general understanding of the subject matter and its significance. Explain the importance of the topic and its relevance to the field. This will help the reader understand why your research is significant and why they should continue reading.

  11. How to Write a Thesis or Dissertation Introduction

    How to Write a Thesis or Dissertation Introduction. Published on September 7, 2022 by Tegan George and Shona McCombes. Revised on November 21, 2023. The introduction is the first section of your thesis or dissertation, appearing right after the table of contents.Your introduction draws your reader in, setting the stage for your research with a clear focus, purpose, and direction on a relevant ...

  12. Writing a Research Paper Introduction (with 3 Examples)

    This paragraph should both attract the reader's attention and give them the necessary information about the paper. In any academic paper, the introduction paragraph constitutes 10% of the paper's total word count. For example, if you are preparing a 3,000-word paper, your introduction paragraph should consist of approximately 300 words.

  13. How Long Should a Research Paper Be? Data from 61,519 Examples

    1- The median length of a research paper is 4,133 words (equivalent to 166 sentences or 34 paragraphs), excluding the abstract and references, with 90% of papers being between 2,023 and 8,284 words. 2- A typical article is divided in the following way: Introduction section: 14.6% of the total word count.

  14. 4 Step approach to writing the Introduction section of a research paper

    The 4-step approach to writing the Introduction section. As a rule of thumb, this section accounts for about 10% of the total word count of the body of a typical research paper, or about 400 words spread over three paragraphs in a 4000-word paper.1 With that, let us now understand how to write the Introduction section step-by-step: 1.

  15. How to Write a Research Introduction: 10 Steps (with Pictures)

    The introduction to a research paper can be the most challenging part of the paper to write. The length of the introduction will vary depending on the type of research paper you are writing. An introduction should announce your topic, provide context and a rationale for your work, before stating your research questions and hypothesis.

  16. Getting a Strong Start: Best Practices for Writing an Introduction

    The Introduction to a research paper needs to convince the reader that your work is important and relevant, frame the questions being addressed, and provide context for the findings being presented. ... The structure and length of an Introduction are not set in stone and can vary across fields and publications, but this section ultimately ...

  17. How to Write a Research Paper

    Develop a thesis statement. Create a research paper outline. Write a first draft of the research paper. Write the introduction. Write a compelling body of text. Write the conclusion. The second draft. The revision process. Research paper checklist.

  18. How Long Should a Research Paper Be?

    An Overview. ‍. In short, research paper's average length can range from 1,500 words for research proposals and case studies - all the way to 100,000 words for large dissertations. Research, by its nature of being complex, requires a careful and thorough elucidation of facts, notions, information, and the like - which is all reflected in its ...

  19. How to Write the Introduction to a Scientific Paper?

    A scientific paper should have an introduction in the form of an inverted pyramid. The writer should start with the general information about the topic and subsequently narrow it down to the specific topic-related introduction. Fig. 17.1. Flow of ideas from the general to the specific. Full size image.

  20. Detailing the Writing of Scientific Manuscripts: 25-30 Paragraphs

    For the 20 ABC's manuscripts and 34 JACC's ones, the average number of paragraphs was 28.9 and 28.2 (p = 0.703), respectively, with 1/3 of them having 25-30 paragraphs, and 57% of the total manuscripts having overall 22-33 paragraphs. This relative constancy should be observed and highlighted, considering that the topics and areas covered, as ...

  21. How to Write an Essay Introduction

    Table of contents. Step 1: Hook your reader. Step 2: Give background information. Step 3: Present your thesis statement. Step 4: Map your essay's structure. Step 5: Check and revise. More examples of essay introductions. Other interesting articles. Frequently asked questions about the essay introduction.

  22. How to structure research papers

    Include a constructive paragraph (2-3 sentences) to address any limitations of your methods and findings. • Write in the present tense for conclusions and facts, and past tense when you reference work done in the past by you or others. • Try to summarize your conclusion and its importance in your last 2-3 sentences.

  23. How Long Should a Research Paper be: From Intro to conclusion

    This applies to the introduction. For a typical 5-page research paper, your introduction should not exceed half a page. However, if you are writing a long essay of 15 pages or more, the introduction may span to a page or several paragraphs. Since most of the research papers given to undergraduate college students are not lengthy, the ...

  24. Sensorimotor control of robots mediated by electrophysiological

    The dimensions of the actuator are a length of 62.7 mm, a base width of 25.5 mm, a top width of 10 mm, and a height of 16 mm. The central body with a side length of l 1 = 30 mm and a height of h 1 = 25.5 mm; the plug scaffold connector measures l 2 = 30 mm by h 2 = 15 mm, and the socket scaffold connector measures l 3 = 30 mm by h 3 = 10 mm ...