how long should a literature review take

The Guide to Literature Reviews

• What is a Literature Review?
• The Purpose of Literature Reviews
• Guidelines for Writing a Literature Review
• How to Organize a Literature Review?
• Software for Literature Reviews
• Using Artificial Intelligence for Literature Reviews
• How to Conduct a Literature Review?
• Common Mistakes and Pitfalls in a Literature Review
• Methods for Literature Reviews
• What is a Systematic Literature Review?
• What is a Narrative Literature Review?
• What is a Descriptive Literature Review?
• What is a Scoping Literature Review?
• What is a Realist Literature Review?
• What is a Critical Literature Review?
• Meta Analysis vs. Literature Review
• What is an Umbrella Literature Review?
• Differences Between Annotated Bibliographies and Literature Reviews
• Literature Review vs. Theoretical Framework
• How to Write a Literature Review?
• How to Structure a Literature Review?
• How to Make a Cover Page for a Literature Review?
• How to Write an Abstract for a Literature Review?
• How to Write a Literature Review Introduction?
• How to Write the Body of a Literature Review?
• How to Write a Literature Review Conclusion?
• How to Make a Literature Review Bibliography?
• How to Format a Literature Review?

Introduction

What determines the length of a literature review, structure and organization, lengths in different kinds of literature reviews.

• Examples of Literature Reviews
• How to Present a Literature Review?
• How to Publish a Literature Review?

How Long Should a Literature Review Be?

A literature review is an essential part of many academic papers and research projects. It provides a comprehensive overview of existing research on a particular topic, allowing the researcher to identify gaps, build on previous work, and position their study within the broader academic context. The length of a literature review can vary significantly depending on the context, purpose, and research scope . In this article, we will explore the factors that influence the length of a literature review and provide guidelines to help you determine the appropriate length for your work.

The length of a literature review is influenced by multiple factors, including the type of review, the research aims, the scope of the topic, and institutional guidelines. Writing a literature review involves synthesizing existing research and providing a critical analysis, which varies depending on the depth and breadth of the subject. Additionally, a literature review involves evaluating and summarizing scholarly sources to support the research objectives. Understanding these factors is crucial for researchers to effectively plan and structure their reviews, ensuring they meet academic standards and adequately cover the relevant literature.

Context and purpose

In most literature reviews, the length largely depends on the context and purpose of your research. Here are some common scenarios to consider:

Undergraduate research papers : Typically concise, these reviews range from 1,000 to 3,000 words (4-12 pages) and provide a basic overview of the existing literature. They are usually integrated into the introduction or background section of the paper.

Master's theses : More detailed and comprehensive, literature reviews for master's theses usually span 3,000 to 10,000 words (10-40 pages). They demonstrate the student's understanding of the field and justify the research question.

Doctoral dissertations : The literature review can be extensive for postgraduate dissertations, often ranging from 8,000 to 20,000 words (30-80 pages). These reviews need to cover a wide range of studies and theories, providing a thorough background for the research and highlighting gaps the dissertation aims to address.

Journal articles : Concise and focused, literature reviews in journal articles typically range from 2,000 to 5,000 words (8-20 pages), depending on the journal's guidelines. They concentrate on recent and relevant studies that directly inform the research question.

Grant proposals : Brief and focused, literature reviews in grant proposals are usually around 1,000 to 2,000 words (4-8 pages). Their purpose is to provide a quick overview of the current state of research and justify the need for the proposed study.

Research scope

The breadth and depth of the literature you need to cover will also affect the length of your review. If your research focuses on a specific niche or well-defined topic, your literature review might be shorter, around 1,000 to 3,000 words. This is because there may be fewer studies to review, allowing you to focus on the most relevant ones. For topics that span multiple disciplines or have a vast body of literature, the review will be longer, potentially exceeding 10,000 words. A broader scope requires a more extensive review to ensure all relevant research is covered.

Guidelines and requirements

Always check the guidelines provided by your institution, advisor, or the journal to which you are submitting. These guidelines often specify the expected length and format for the literature review. Adhering to these requirements is crucial for ensuring your review meets academic standards and is accepted for publication or evaluation.

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A well-structured literature review typically includes the following sections, which can influence its length:

Provides an overview of the topic and the review's purpose. This section usually accounts for 5-10% of the total word count. In a 3,000-word review, the introduction might be around 150-300 words.

Discusses key themes, theories, and findings in the literature. This section is the core of the review and can be divided into sub-sections based on themes, methodologies, or chronological order. It usually makes up 70-80% of the total word count. For example, in a 3,000-word review, the main body might be around 2,100-2,400 words.

Summarizes the key findings and highlights gaps or areas for future research. This section usually accounts for 10-15% of the total word count. In a 3,000-word review, the conclusion might be around 300-450 words.

Different methods of conducting literature reviews affect the length. The length of a literature review depends on several factors, including the chosen approach, institutional guidelines, and the specific requirements of the research project. Systematic reviews are usually the most extensive due to their rigorous and comprehensive nature, while narrative reviews are more flexible and shorter. Scoping reviews provide a broad overview without the detailed synthesis required by systematic reviews, placing them in the middle range of length. Umbrella reviews and realist reviews vary in length but generally provide a comprehensive synthesis of existing reviews or focus on the mechanisms of interventions.

Understanding these differences helps researchers select the appropriate approach and determine the optimal length for their literature review, ensuring it meets academic standards and contributes meaningfully to the field of study.

The length of a literature review is influenced by several factors, including the type of review, the scope of the research topic, and institutional guidelines. Most literature reviews vary in length depending on the specific requirements of the research project. The process of literature review writing is crucial for determining length, as it involves synthesizing research articles, current research, and existing scholarship to adequately cover the topic. For instance, a thesis literature review tends to be more extensive compared to a literature review for a research paper or journal article.

When determining how long a literature review should be, it's essential to consider the need to address current theories and provide a critical analysis of scholarly sources. Systematic reviews are typically more detailed and extensive, often requiring a substantial number of pages, while narrative reviews may only span a few pages. The length is also shaped by the research aims and the depth of coverage needed for the original research. Creating an annotated bibliography also affects the length of the review. Adhering to institutional guidelines is crucial, as they often provide specific directions on the expected length and structure of the review.

Ultimately, the length of a literature review is dictated by the comprehensive coverage required to support the research aims and the specific nature of the research project. Whether it's a thesis literature review, a journal article, or part of a larger research paper, the goal is to ensure the review is thorough, insightful, and aligned with the objectives of the current project. By understanding these factors, researchers can determine the optimal length for their literature review, ensuring it meets academic standards and effectively contributes to the field of study.

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• Writing Tips

How Long Should a Literature Review Be?

4-minute read

• 7th October 2023

If you’re writing a research paper or dissertation , then you know how important it is to include a thorough, comprehensive literature review. But exactly how long should your literature review be in relation to the rest of your work? While there’s no one-size-fits-all answer to that question, there are some factors that will help determine the length of your review. In this post, we’ll discuss what information to include in your literature review and how long it should be.

Keep reading to learn more.

What Is a Literature Review?

A literature review is a critical summary and evaluation of the current resources (e.g., books and journal articles) on a specific topic or research question. It is a crucial part of academic writing, such as dissertations, in all categories and fields. Essentially, literature reviews help contextualize your investigations and show how your work is building on existing research.

No matter how long your literature review is, it should generally:

●  Establish context for your research (i.e., provide relevant background information so your reader understands the historical significance of your study ).

●  Identify gaps in the existing literature (such as unaddressed questions or aspects of your topic).

●  Highlight significant concepts related to your topic.

●  Cite relevant studies.

●  Support your argument.

It’s also essential that a literature review critically analyze the sources cited in your study, considering factors such as sample size, research design, and potential biases. Be sure to structure your literature review using the same referencing style as the rest of your research paper (e.g., APA , Chicago , MLA ).

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The length of your literature review depends on several factors, including the scope and purpose of your research. In general, the length of the review should be proportionate to your overall paper. For example, if you’re writing a fifty-thousand-word dissertation, then your literature review will likely be an entire chapter comprising about 20 pages. If it’s for a 15-page research paper, your literature review may only be a few pages.

Here are several factors that could affect the length of your literature review:

●  Institutional guidelines : Always check the guidelines provided by your institution or journal (such as an APA journal ). There may be a specific length or word count required for publication.

●  Scope : If your research topic is narrow and focused, your literature review may be shorter. Conversely, if your topic is broad and encompasses a large body of literature, your review may need to be longer.

●  Field of study : Different academic fields may have different expectations regarding the length of literature reviews. For example, literature reviews in the humanities might be longer than those in the natural sciences.

Also, consider your audience. If your literature review is for a general audience or a class assignment, it can probably be shorter and less specialized. However, if it’s for an academic audience in your field of study, you may need to be more thorough and provide an extensive review of the existing literature.

Most literature reviews follow the same basic structure of an introduction, body, and conclusion. Most of the time, they are part of a larger work, so the introduction and conclusion paragraphs will be relatively brief.

However, if the review is a standalone piece, then your introduction and conclusion will be longer since you will need to discuss your research objectives, methods, and findings as well as analyze the literature used in your study.

To ensure your literature review makes an impression, have it professionally proofread by our expert literature review editing services . Submit your free sample of 500 words or less to get started today!

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