Jan 2, 2023 · The introduction should clearly establish the focus and purpose of the literature review. Tip If you are writing the literature review as part of your dissertation or thesis, reiterate your central problem or research question and give a brief summary of the scholarly context. You can emphasize the timeliness of the topic (“many recent ... ... Sep 13, 2024 · A literature review in a research proposal is not just a formal requirement; it's a crucial component that underpins the entire research process. By reviewing existing literature , the researcher establishes a foundation, showing the current state of knowledge and how their project fits into the broader academic conversation. ... Dec 12, 2024 · By following these organizational strategies, you'll transform scattered research into a clear foundation for writing. A structured approach not only makes writing easier but also deepens your understanding of the field. With your materials well-organized, you're ready to craft a compelling narrative structure for your literature review. ... Dec 6, 2023 · For the following types of literature review, I present an explanation and overview of the type, followed by links to some real-life literature reviews on the topics. 1. Narrative Review Examples. Also known as a traditional literature review, the narrative review provides a broad overview of the studies done on a particular topic. ... Jan 31, 2024 · A literature review is a critical analysis and synthesis of existing research on a particular topic. It provides an overview of the current state of knowledge, identifies gaps, and highlights key findings in the literature. 1 The purpose of a literature review is to situate your own research within the context of existing scholarship, demonstrating your understanding of the topic and showing ... ... Jul 13, 2023 · Literature Review Example for Research Proposal Let’s consider an example to better understand how a literature review is structured within a research proposal. Suppose the research proposal aims to investigate the impact of social media on mental health among adolescents. ... Subheading 2, “Defining the Research Problem: Using Literature Review to Identify Gaps in Knowledge,” is an important subheading in the literature review section of a research proposal. A literature review is an essential part of any research project as it provides a comprehensive overview of the existing body of knowledge on a specific ... ... Sep 28, 2023 · The length of a literature review varies depending on the requirements of the research proposal and the complexity of the topic. However, a literature review for a research proposal is typically around 1000-2000 words. IT is essential to maintain a balance between providing sufficient information and avoiding unnecessary repetitions. ... ">

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Writing a Literature Review

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

  • An introductory paragraph that explains what your working topic and thesis is
  • A forecast of key topics or texts that will appear in the review
  • Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
  • Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
  • Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
  • Critically Evaluate: Mention the strengths and weaknesses of your sources
  • Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

  • Summarize the key findings you have taken from the literature and emphasize their significance
  • Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

  • Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
  • Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
  • Qualitative versus quantitative research
  • Empirical versus theoretical scholarship
  • Divide the research by sociological, historical, or cultural sources
  • Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

  • It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
  • Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
  • Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
  • Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

Learning Materials

How to write a literature review in your research proposal.

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Updated: September 13, 2024

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Crafting a literature review in your research proposal can feel like navigating through a dense forest of information. It's easy to feel overwhelmed by the sheer volume of studies and data you need to sift through. An effective literature review summarises recent articles, critically reviews them, and highlights gaps that your research aims to fill. This blog will guide you through understanding the purpose, scoping, searching, evaluating, structuring, and writing your literature review, with practical tips and examples to streamline the process.

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Understanding the purpose of a literature review in a research proposal.

A literature review in a research proposal is not just a formal requirement; it's a crucial component that underpins the entire research process. By reviewing existing literature , the researcher establishes a foundation, showing the current state of knowledge and how their project fits into the broader academic conversation. This review helps to pinpoint where the new research can make a significant contribution and supports the justification for the research question.

The literature review sets the stage by outlining theoretical frameworks and methodologies that have been used in the field, which in turn, influences the choice of methods in the new research. This is vital as it allows the researcher to build on solid ground, using proven frameworks while also identifying any areas that might benefit from a different approach. By doing so, the literature review not only guides the research design but also avoids the duplication of past mistakes.

Furthermore, a well-conducted literature review enhances the credibility of the research proposal. It demonstrates the researcher's deep understanding of the field and their ability to critically analyze and synthesize past studies. This critical engagement is essential for gaining the trust of funding bodies, academic supervisors, or any stakeholders who might have an interest in the research outcomes.

Exploring the Functions of a Literature Review

The functions of a literature review extend beyond mere summarization of existing knowledge. Primarily, it serves to establish the relevance and necessity of the proposed research. Through a literature review, researchers can highlight the gaps in current studies and argue how their work will address these deficiencies. This not only sets the research question but also aligns the study with ongoing academic debates and inquiries.

Additionally, the literature review aids in framing the research within the existing body of knowledge. It allows the researcher to position their study relative to previous findings, demonstrating how it will contribute new insights or solutions to the field. This contextual placement is crucial for justifying the research's significance and for outlining its potential impact, which are key elements in any successful research proposal.

Scoping Your Literature Review: Setting Boundaries

Defining the scope of a literature review is crucial to ensure it is both manageable and relevant to your research question. It involves setting clear boundaries on what will be included in terms of time frame, geographical focus, and the types of sources considered. This helps in narrowing down the vast amount of available literature to a more focused selection that directly supports your research objectives. By defining these parameters early , you can avoid the common pitfall of becoming overwhelmed by too broad or irrelevant information.

When scoping your literature review, consider the following key aspects:

  • Time frame: Decide on the time period from which the studies will be sourced. For instance, focusing on research published in the last ten years can provide the most current insights.
  • Geographical focus: Depending on your research question, you may choose to focus on studies from specific regions or countries.
  • Source types: Determine whether you'll include only peer-reviewed journal articles or also consider grey literature, such as reports and conference papers. This decision will impact the breadth of your review.

Finally, it's important to regularly revisit and potentially revise the scope of your literature review as your understanding of the topic deepens. Initial scoping is an iterative process, and as you begin to gather and review literature, you might find it necessary to adjust the boundaries to either broaden or narrow your focus. This flexibility allows you to tailor the review more closely to your specific research needs and ensures that you are covering the most relevant and critical studies in your field.

How to Search for Relevant Literature for Your Review

a woman typing on a laptop at an outdoor table

Starting your literature review with effective search strategies is crucial for gathering relevant materials. Begin by clearly defining your research question, which will guide your search for literature. Utilize databases and academic search engines like Google Scholar to find peer-reviewed journal articles. Additionally, consider including grey literature such as reports and conference papers, which can provide unique insights not available in academic journals.

When searching, it's important to use a combination of keywords that reflect your research topic. Develop a list of main terms and consider synonyms and related terms to broaden your search. Use Boolean operators like AND, OR, and NOT to refine your results. For instance, searching for "adolescent AND depression" will yield more targeted results than searching for each term separately.

Keep track of your searches and results. Most databases allow you to save your search history, set up alerts for new publications, and export citations to reference management software like Zotero or EndNote. This not only saves time but also helps in organizing the literature for review. Remember, searching for literature is an iterative process; refine your strategies as you discover what yields the most relevant results.

Evaluating Sources for Your Literature Review

Evaluating sources for your literature review involves assessing their credibility, relevance, and timeliness. Start by checking if the source is peer-reviewed, which indicates that it has been evaluated by other experts in the field. Also, consider the publication date to ensure the information is current and reflects the latest research on the topic.

Further evaluate sources by examining the author's credentials and the journal's impact factor. An author with a solid publication record and affiliation with a reputable institution likely adds credibility to the source. Additionally, look at how often the article has been cited in other works, as a higher citation count can indicate a significant impact in the field.

Identifying Key Themes and Gaps in the Literature

Identifying key themes and gaps in the literature is essential for structuring your review and establishing the context of your research. Start by categorizing the collected literature into themes based on similarities in findings, methodology, or focus. This thematic organization helps in highlighting the relationships between studies and in pinpointing areas lacking sufficient research.

As you categorize the literature, note any recurring findings or consensus in the field, as well as contradictory evidence or unresolved questions. These gaps are particularly important as they can form the basis of your research question, guiding your study to contribute new knowledge or solutions. Documenting these gaps will also help demonstrate the necessity and relevance of your research in the proposal.

Structuring Your Literature Review: Methods and Tips

a group of yellow post it notes on a desk

Structuring your literature review effectively is crucial for presenting your research in a clear and logical manner. Begin by categorizing the literature into thematic groups that reflect different aspects or findings related to your research question. This approach not only aids in demonstrating comprehensive knowledge of the subject but also in identifying connections and divergences within the research area. It’s helpful to think of each theme as a chapter or a section of your review, where similar studies are discussed collectively to show trends or common findings.

Within each thematic group, it's beneficial to organize studies in a chronological order or based on their impact on the field. Here are some methods to consider:

  • Chronological: Arranging studies by their publication date can help trace the evolution of theories and practices over time.
  • Methodological: Grouping studies by methods used can highlight different approaches within the same field.
  • Influential: Organizing by impact, such as studies most cited or foundational works, can underscore key contributions and turning points in the field. This method helps in understanding the development of major ideas and theories.

Finally, ensure that each section of your literature review flows logically into the next. Connections between sections should be clear, showing how one theme or study builds upon or contrasts with another. This not only enhances the readability of your review but also strengthens the argument for your research's relevance and necessity. Linking sentences at the end of each section can guide the reader smoothly from one topic to another, maintaining a coherent narrative throughout the review.

Writing the Literature Review: From Start to Finish

a woman working on a laptop in front of a window

Writing the literature review from start to finish is a crucial phase in your research proposal. It involves crafting an introduction that grabs attention, developing well-organized body paragraphs, and concluding with a strong summary of your findings. Start with an engaging introduction that includes a hook to draw in your reader—this could be an intriguing statistic, a compelling question, or a brief anecdote that sets the stage for your review.

The body of your literature review should be structured around key themes or methodologies that emerge from your research. Each theme should form a separate section, within which you compare and contrast the findings of different studies. Here are some tips to keep in mind for writing the body sections:

  • Organize the literature thematically to show how different studies relate to each other.
  • Use a mix of chronological and methodological arrangements to bring clarity and depth to your analysis.
  • Highlight significant trends, discrepancies, and any consensus or debated areas within the field.

Concluding your literature review effectively is about more than just summarizing the main points. It should provide a clear synthesis of the insights gained, demonstrate how your research will fill existing gaps, and set the stage for your proposed study. This final part of the literature review is your chance to make a compelling argument for the relevance and necessity of your research, linking back to the introduction and providing a seamless transition to the main research proposal.

Concluding Your Literature Review Effectively

A strong conclusion for your literature review should synthesize the key themes and findings, rather than merely summarizing them. Highlight the interplay between different studies, and clearly outline any gaps or inconsistencies that your research aims to address. This part of your literature review serves as a bridge, connecting the reviewed literature to the specific objectives and hypotheses of your upcoming study.

To conclude your literature review effectively, consider these strategies:

  • Recap the main findings and their implications for the field.
  • Critically evaluate the strengths and limitations of the reviewed studies.
  • Suggest areas for future research, providing a clear direction based on the gaps identified.

This approach not only reinforces the importance of your study but also positions your research within the broader academic conversation, enhancing its impact and relevance.

Examples of Effective Literature Reviews

Effective literature reviews often vary in style and approach, depending on the research question and field of study. For instance, a narrative review might focus on summarising and interpreting existing literature broadly, while a systematic review is more structured, aiming to answer specific research questions through a comprehensive search and analysis strategy. These examples highlight the flexibility in conducting literature reviews and the importance of aligning the style with the research objectives.

Consider a narrative review in healthcare that discusses communication strategies. This review might group studies into themes such as patient outcomes, communication methods, and training for healthcare professionals. Each theme is explored to identify common findings and gaps in the research:

  • Patient Outcomes: Studies show varied results on how communication affects patient recovery.
  • Communication Methods: Research highlights the move towards digital communication tools.
  • Training: There's a noted need for improved communication training in medical curricula.

On the other hand, a systematic review in environmental science could be highly structured, involving a detailed methodology section that outlines search terms, databases, and inclusion/exclusion criteria. The findings might be presented in a tabulated format, showing how different pollution control technologies affect water quality. This structured approach ensures that the review is reproducible and transparent, providing a reliable basis for future research.

What a Literature Review is Not: Common Misconceptions

A literature review is not an exhaustive summary of everything ever written on a topic. It's crucial to understand that you should select sources that are most relevant and critical to your research question. This focused approach avoids the common mistake of overloading the review with unnecessary details, which can distract from the main objectives of your research.

Additionally, a literature review is not merely a list of summaries. Instead, it should critically analyze the literature to show the relationship between your work and existing studies. Key aspects to consider include:

  • Identifying contradictions or gaps in the literature,
  • Highlighting trends and major developments,
  • Discussing the implications of previous studies on your research.

Enhance Your Literature Review with Samwell.ai's Tools

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Enhancing your literature review is crucial, and Samwell.ai offers AI-driven tools that can significantly streamline this process. By using Samwell.ai, you can generate comprehensive literature reviews that are tailored to your research topic. The AI tools help in identifying key themes, synthesizing information, and ensuring that all necessary aspects are covered efficiently.

Moreover, Samwell.ai's advanced plagiarism checks are essential for maintaining academic integrity in your literature review. These tools scan your text to ensure it is free of plagiarism, providing peace of mind that your work is original and credible. Utilizing Samwell.ai not only enhances the quality of your literature review but also saves time, allowing you to focus on other critical aspects of your research proposal.

Frequently Asked Questions

How to write a literature review in a research proposal example.

Writing a literature review in a research proposal involves several key steps. Start by defining your research question to guide your literature search. Use academic databases to gather relevant peer-reviewed articles and grey literature. Organise the literature thematically or methodologically to highlight trends and gaps. Each section should compare and contrast findings, showing how they relate to your research question. Conclude your literature review by synthesising the key themes, demonstrating the gaps your research will fill, and linking back to your research proposal.

How to write a literature review in research?

To write a literature review in research, begin by defining a clear research question. Search for relevant literature using databases and include both peer-reviewed articles and grey literature. Evaluate sources for credibility and relevance. Organise the literature into thematic groups to show relationships and identify gaps. Write your review by discussing each theme, highlighting how each study contributes to the field and where gaps exist. Conclude by synthesising the main findings and outlining how your research will address these gaps.

What is the format for literature review?

The format for a literature review typically involves an introduction, body, and conclusion. Start with an engaging introduction that outlines your research question and objectives. The body should be organised into thematic or methodological sections, where you discuss and analyse the literature, showing trends, gaps, and the relationship between studies. Conclude by synthesising the key findings, highlighting the gaps your research aims to fill, and linking the review to your research proposal.

How long should a literature review be in a research proposal?

The length of a literature review in a research proposal can vary depending on the scope of your research and the requirements of your academic field or funding body. Generally, it should be thorough enough to cover key themes and gaps in the literature while being concise to maintain focus and relevance. Typically, a literature review in a research proposal might range from 1,000 to 3,000 words, but it's essential to follow any specific guidelines provided by your institution or funding body.

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15 Literature Review Examples

15 Literature Review Examples

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

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literature review examples, types, and definition, explained below

Literature reviews are a necessary step in a research process and often required when writing your research proposal . They involve gathering, analyzing, and evaluating existing knowledge about a topic in order to find gaps in the literature where future studies will be needed.

Ideally, once you have completed your literature review, you will be able to identify how your research project can build upon and extend existing knowledge in your area of study.

Generally, for my undergraduate research students, I recommend a narrative review, where themes can be generated in order for the students to develop sufficient understanding of the topic so they can build upon the themes using unique methods or novel research questions.

If you’re in the process of writing a literature review, I have developed a literature review template for you to use – it’s a huge time-saver and walks you through how to write a literature review step-by-step:

Get your time-saving templates here to write your own literature review.

Literature Review Examples

For the following types of literature review, I present an explanation and overview of the type, followed by links to some real-life literature reviews on the topics.

1. Narrative Review Examples

Also known as a traditional literature review, the narrative review provides a broad overview of the studies done on a particular topic.

It often includes both qualitative and quantitative studies and may cover a wide range of years.

The narrative review’s purpose is to identify commonalities, gaps, and contradictions in the literature .

I recommend to my students that they should gather their studies together, take notes on each study, then try to group them by themes that form the basis for the review (see my step-by-step instructions at the end of the article).

Example Study

Title: Communication in healthcare: a narrative review of the literature and practical recommendations

Citation: Vermeir, P., Vandijck, D., Degroote, S., Peleman, R., Verhaeghe, R., Mortier, E., … & Vogelaers, D. (2015). Communication in healthcare: a narrative review of the literature and practical recommendations. International journal of clinical practice , 69 (11), 1257-1267.

Source: https://onlinelibrary.wiley.com/doi/pdf/10.1111/ijcp.12686  

Overview: This narrative review analyzed themes emerging from 69 articles about communication in healthcare contexts. Five key themes were found in the literature: poor communication can lead to various negative outcomes, discontinuity of care, compromise of patient safety, patient dissatisfaction, and inefficient use of resources. After presenting the key themes, the authors recommend that practitioners need to approach healthcare communication in a more structured way, such as by ensuring there is a clear understanding of who is in charge of ensuring effective communication in clinical settings.

Other Examples

  • Burnout in United States Healthcare Professionals: A Narrative Review (Reith, 2018) – read here
  • Examining the Presence, Consequences, and Reduction of Implicit Bias in Health Care: A Narrative Review (Zestcott, Blair & Stone, 2016) – read here
  • A Narrative Review of School-Based Physical Activity for Enhancing Cognition and Learning (Mavilidi et al., 2018) – read here
  • A narrative review on burnout experienced by medical students and residents (Dyrbye & Shanafelt, 2015) – read here

2. Systematic Review Examples

This type of literature review is more structured and rigorous than a narrative review. It involves a detailed and comprehensive plan and search strategy derived from a set of specified research questions.

The key way you’d know a systematic review compared to a narrative review is in the methodology: the systematic review will likely have a very clear criteria for how the studies were collected, and clear explanations of exclusion/inclusion criteria. 

The goal is to gather the maximum amount of valid literature on the topic, filter out invalid or low-quality reviews, and minimize bias. Ideally, this will provide more reliable findings, leading to higher-quality conclusions and recommendations for further research.

You may note from the examples below that the ‘method’ sections in systematic reviews tend to be much more explicit, often noting rigid inclusion/exclusion criteria and exact keywords used in searches.

Title: The importance of food naturalness for consumers: Results of a systematic review  

Citation: Roman, S., Sánchez-Siles, L. M., & Siegrist, M. (2017). The importance of food naturalness for consumers: Results of a systematic review. Trends in food science & technology , 67 , 44-57.

Source: https://www.sciencedirect.com/science/article/pii/S092422441730122X  

Overview: This systematic review included 72 studies of food naturalness to explore trends in the literature about its importance for consumers. Keywords used in the data search included: food, naturalness, natural content, and natural ingredients. Studies were included if they examined consumers’ preference for food naturalness and contained empirical data. The authors found that the literature lacks clarity about how naturalness is defined and measured, but also found that food consumption is significantly influenced by perceived naturalness of goods.

  • A systematic review of research on online teaching and learning from 2009 to 2018 (Martin, Sun & Westine, 2020) – read here
  • Where Is Current Research on Blockchain Technology? (Yli-Huumo et al., 2016) – read here
  • Universities—industry collaboration: A systematic review (Ankrah & Al-Tabbaa, 2015) – read here
  • Internet of Things Applications: A Systematic Review (Asghari, Rahmani & Javadi, 2019) – read here

3. Meta-analysis

This is a type of systematic review that uses statistical methods to combine and summarize the results of several studies.

Due to its robust methodology, a meta-analysis is often considered the ‘gold standard’ of secondary research , as it provides a more precise estimate of a treatment effect than any individual study contributing to the pooled analysis.

Furthermore, by aggregating data from a range of studies, a meta-analysis can identify patterns, disagreements, or other interesting relationships that may have been hidden in individual studies.

This helps to enhance the generalizability of findings, making the conclusions drawn from a meta-analysis particularly powerful and informative for policy and practice.

Title: Cholesterol and Alzheimer’s Disease Risk: A Meta-Meta-Analysis

Citation: Sáiz-Vazquez, O., Puente-Martínez, A., Ubillos-Landa, S., Pacheco-Bonrostro, J., & Santabárbara, J. (2020). Cholesterol and Alzheimer’s disease risk: a meta-meta-analysis. Brain sciences, 10(6), 386.

Source: https://doi.org/10.3390/brainsci10060386  

O verview: This study examines the relationship between cholesterol and Alzheimer’s disease (AD). Researchers conducted a systematic search of meta-analyses and reviewed several databases, collecting 100 primary studies and five meta-analyses to analyze the connection between cholesterol and Alzheimer’s disease. They find that the literature compellingly demonstrates that low-density lipoprotein cholesterol (LDL-C) levels significantly influence the development of Alzheimer’s disease.

  • The power of feedback revisited: A meta-analysis of educational feedback research (Wisniewski, Zierer & Hattie, 2020) – read here
  • How Much Does Education Improve Intelligence? A Meta-Analysis (Ritchie & Tucker-Drob, 2018) – read here
  • A meta-analysis of factors related to recycling (Geiger et al., 2019) – read here
  • Stress management interventions for police officers and recruits (Patterson, Chung & Swan, 2014) – read here

Other Types of Reviews

  • Scoping Review: This type of review is used to map the key concepts underpinning a research area and the main sources and types of evidence available. It can be undertaken as stand-alone projects in their own right, or as a precursor to a systematic review.
  • Rapid Review: This type of review accelerates the systematic review process in order to produce information in a timely manner. This is achieved by simplifying or omitting stages of the systematic review process.
  • Integrative Review: This review method is more inclusive than others, allowing for the simultaneous inclusion of experimental and non-experimental research. The goal is to more comprehensively understand a particular phenomenon.
  • Critical Review: This is similar to a narrative review but requires a robust understanding of both the subject and the existing literature. In a critical review, the reviewer not only summarizes the existing literature, but also evaluates its strengths and weaknesses. This is common in the social sciences and humanities .
  • State-of-the-Art Review: This considers the current level of advancement in a field or topic and makes recommendations for future research directions. This type of review is common in technological and scientific fields but can be applied to any discipline.

How to Write a Narrative Review (Tips for Undergrad Students)

Most undergraduate students conducting a capstone research project will be writing narrative reviews. Below is a five-step process for conducting a simple review of the literature for your project.

  • Search for Relevant Literature: Use scholarly databases related to your field of study, provided by your university library, along with appropriate search terms to identify key scholarly articles that have been published on your topic.
  • Evaluate and Select Sources: Filter the source list by selecting studies that are directly relevant and of sufficient quality, considering factors like credibility , objectivity, accuracy, and validity.
  • Analyze and Synthesize: Review each source and summarize the main arguments  in one paragraph (or more, for postgrad). Keep these summaries in a table.
  • Identify Themes: With all studies summarized, group studies that share common themes, such as studies that have similar findings or methodologies.
  • Write the Review: Write your review based upon the themes or subtopics you have identified. Give a thorough overview of each theme, integrating source data, and conclude with a summary of the current state of knowledge then suggestions for future research based upon your evaluation of what is lacking in the literature.

Literature reviews don’t have to be as scary as they seem. Yes, they are difficult and require a strong degree of comprehension of academic studies. But it can be feasibly done through following a structured approach to data collection and analysis. With my undergraduate research students (who tend to conduct small-scale qualitative studies ), I encourage them to conduct a narrative literature review whereby they can identify key themes in the literature. Within each theme, students can critique key studies and their strengths and limitations , in order to get a lay of the land and come to a point where they can identify ways to contribute new insights to the existing academic conversation on their topic.

Ankrah, S., & Omar, A. T. (2015). Universities–industry collaboration: A systematic review. Scandinavian Journal of Management, 31(3), 387-408.

Asghari, P., Rahmani, A. M., & Javadi, H. H. S. (2019). Internet of Things applications: A systematic review. Computer Networks , 148 , 241-261.

Dyrbye, L., & Shanafelt, T. (2016). A narrative review on burnout experienced by medical students and residents. Medical education , 50 (1), 132-149.

Geiger, J. L., Steg, L., Van Der Werff, E., & Ünal, A. B. (2019). A meta-analysis of factors related to recycling. Journal of environmental psychology , 64 , 78-97.

Martin, F., Sun, T., & Westine, C. D. (2020). A systematic review of research on online teaching and learning from 2009 to 2018. Computers & education , 159 , 104009.

Mavilidi, M. F., Ruiter, M., Schmidt, M., Okely, A. D., Loyens, S., Chandler, P., & Paas, F. (2018). A narrative review of school-based physical activity for enhancing cognition and learning: The importance of relevancy and integration. Frontiers in psychology , 2079.

Patterson, G. T., Chung, I. W., & Swan, P. W. (2014). Stress management interventions for police officers and recruits: A meta-analysis. Journal of experimental criminology , 10 , 487-513.

Reith, T. P. (2018). Burnout in United States healthcare professionals: a narrative review. Cureus , 10 (12).

Ritchie, S. J., & Tucker-Drob, E. M. (2018). How much does education improve intelligence? A meta-analysis. Psychological science , 29 (8), 1358-1369.

Roman, S., Sánchez-Siles, L. M., & Siegrist, M. (2017). The importance of food naturalness for consumers: Results of a systematic review. Trends in food science & technology , 67 , 44-57.

Sáiz-Vazquez, O., Puente-Martínez, A., Ubillos-Landa, S., Pacheco-Bonrostro, J., & Santabárbara, J. (2020). Cholesterol and Alzheimer’s disease risk: a meta-meta-analysis. Brain sciences, 10(6), 386.

Vermeir, P., Vandijck, D., Degroote, S., Peleman, R., Verhaeghe, R., Mortier, E., … & Vogelaers, D. (2015). Communication in healthcare: a narrative review of the literature and practical recommendations. International journal of clinical practice , 69 (11), 1257-1267.

Wisniewski, B., Zierer, K., & Hattie, J. (2020). The power of feedback revisited: A meta-analysis of educational feedback research. Frontiers in Psychology , 10 , 3087.

Yli-Huumo, J., Ko, D., Choi, S., Park, S., & Smolander, K. (2016). Where is current research on blockchain technology?—a systematic review. PloS one , 11 (10), e0163477.

Zestcott, C. A., Blair, I. V., & Stone, J. (2016). Examining the presence, consequences, and reduction of implicit bias in health care: a narrative review. Group Processes & Intergroup Relations , 19 (4), 528-542

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how to write a literature review in a research proposal

What is a Literature Review? How to Write It (with Examples)

literature review

A literature review is a critical analysis and synthesis of existing research on a particular topic. It provides an overview of the current state of knowledge, identifies gaps, and highlights key findings in the literature. 1 The purpose of a literature review is to situate your own research within the context of existing scholarship, demonstrating your understanding of the topic and showing how your work contributes to the ongoing conversation in the field. Learning how to write a literature review is a critical tool for successful research. Your ability to summarize and synthesize prior research pertaining to a certain topic demonstrates your grasp on the topic of study, and assists in the learning process. 

Table of Contents

What is the purpose of literature review , a. habitat loss and species extinction: , b. range shifts and phenological changes: , c. ocean acidification and coral reefs: , d. adaptive strategies and conservation efforts: .

  • Choose a Topic and Define the Research Question: 
  • Decide on the Scope of Your Review: 
  • Select Databases for Searches: 
  • Conduct Searches and Keep Track: 
  • Review the Literature: 
  • Organize and Write Your Literature Review: 
  • How to write a literature review faster with Paperpal? 

Frequently asked questions 

What is a literature review .

A well-conducted literature review demonstrates the researcher’s familiarity with the existing literature, establishes the context for their own research, and contributes to scholarly conversations on the topic. One of the purposes of a literature review is also to help researchers avoid duplicating previous work and ensure that their research is informed by and builds upon the existing body of knowledge.

how to write a literature review in a research proposal

A literature review serves several important purposes within academic and research contexts. Here are some key objectives and functions of a literature review: 2  

1. Contextualizing the Research Problem: The literature review provides a background and context for the research problem under investigation. It helps to situate the study within the existing body of knowledge. 

2. Identifying Gaps in Knowledge: By identifying gaps, contradictions, or areas requiring further research, the researcher can shape the research question and justify the significance of the study. This is crucial for ensuring that the new research contributes something novel to the field.

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3. Understanding Theoretical and Conceptual Frameworks: Literature reviews help researchers gain an understanding of the theoretical and conceptual frameworks used in previous studies. This aids in the development of a theoretical framework for the current research. 

4. Providing Methodological Insights: Another purpose of literature reviews is that it allows researchers to learn about the methodologies employed in previous studies. This can help in choosing appropriate research methods for the current study and avoiding pitfalls that others may have encountered. 

5. Establishing Credibility: A well-conducted literature review demonstrates the researcher’s familiarity with existing scholarship, establishing their credibility and expertise in the field. It also helps in building a solid foundation for the new research. 

6. Informing Hypotheses or Research Questions: The literature review guides the formulation of hypotheses or research questions by highlighting relevant findings and areas of uncertainty in existing literature. 

Literature review example 

Let’s delve deeper with a literature review example: Let’s say your literature review is about the impact of climate change on biodiversity. You might format your literature review into sections such as the effects of climate change on habitat loss and species extinction, phenological changes, and marine biodiversity. Each section would then summarize and analyze relevant studies in those areas, highlighting key findings and identifying gaps in the research. The review would conclude by emphasizing the need for further research on specific aspects of the relationship between climate change and biodiversity. The following literature review template provides a glimpse into the recommended literature review structure and content, demonstrating how research findings are organized around specific themes within a broader topic. 

Literature Review on Climate Change Impacts on Biodiversity:  

Climate change is a global phenomenon with far-reaching consequences, including significant impacts on biodiversity. This literature review synthesizes key findings from various studies: 

Climate change-induced alterations in temperature and precipitation patterns contribute to habitat loss, affecting numerous species (Thomas et al., 2004). The review discusses how these changes increase the risk of extinction, particularly for species with specific habitat requirements. 

Observations of range shifts and changes in the timing of biological events (phenology) are documented in response to changing climatic conditions (Parmesan & Yohe, 2003). These shifts affect ecosystems and may lead to mismatches between species and their resources. 

The review explores the impact of climate change on marine biodiversity, emphasizing ocean acidification’s threat to coral reefs (Hoegh-Guldberg et al., 2007). Changes in pH levels negatively affect coral calcification, disrupting the delicate balance of marine ecosystems. 

Recognizing the urgency of the situation, the literature review discusses various adaptive strategies adopted by species and conservation efforts aimed at mitigating the impacts of climate change on biodiversity (Hannah et al., 2007). It emphasizes the importance of interdisciplinary approaches for effective conservation planning. 

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How to write a good literature review 

Writing a literature review involves summarizing and synthesizing existing research on a particular topic. A good literature review format should include the following elements. 

Introduction: The introduction sets the stage for your literature review, providing context and introducing the main focus of your review. 

  • Opening Statement: Begin with a general statement about the broader topic and its significance in the field. 
  • Scope and Purpose: Clearly define the scope of your literature review. Explain the specific research question or objective you aim to address. 
  • Organizational Framework: Briefly outline the structure of your literature review, indicating how you will categorize and discuss the existing research. 
  • Significance of the Study: Highlight why your literature review is important and how it contributes to the understanding of the chosen topic. 
  • Thesis Statement: Conclude the introduction with a concise thesis statement that outlines the main argument or perspective you will develop in the body of the literature review. 

Body: The body of the literature review is where you provide a comprehensive analysis of existing literature, grouping studies based on themes, methodologies, or other relevant criteria. 

  • Organize by Theme or Concept: Group studies that share common themes, concepts, or methodologies. Discuss each theme or concept in detail, summarizing key findings and identifying gaps or areas of disagreement. 
  • Critical Analysis: Evaluate the strengths and weaknesses of each study. Discuss the methodologies used, the quality of evidence, and the overall contribution of each work to the understanding of the topic. 
  • Synthesis of Findings: Synthesize the information from different studies to highlight trends, patterns, or areas of consensus in the literature. 
  • Identification of Gaps: Discuss any gaps or limitations in the existing research and explain how your review contributes to filling these gaps. 
  • Transition between Sections: Provide smooth transitions between different themes or concepts to maintain the flow of your literature review. 
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Conclusion: The conclusion of your literature review should summarize the main findings, highlight the contributions of the review, and suggest avenues for future research. 

  • Summary of Key Findings: Recap the main findings from the literature and restate how they contribute to your research question or objective. 
  • Contributions to the Field: Discuss the overall contribution of your literature review to the existing knowledge in the field. 
  • Implications and Applications: Explore the practical implications of the findings and suggest how they might impact future research or practice. 
  • Recommendations for Future Research: Identify areas that require further investigation and propose potential directions for future research in the field. 
  • Final Thoughts: Conclude with a final reflection on the importance of your literature review and its relevance to the broader academic community. 

what is a literature review

Conducting a literature review 

Conducting a literature review is an essential step in research that involves reviewing and analyzing existing literature on a specific topic. It’s important to know how to do a literature review effectively, so here are the steps to follow: 1  

Choose a Topic and Define the Research Question:  

  • Select a topic that is relevant to your field of study. 
  • Clearly define your research question or objective. Determine what specific aspect of the topic do you want to explore? 

Decide on the Scope of Your Review:  

  • Determine the timeframe for your literature review. Are you focusing on recent developments, or do you want a historical overview? 
  • Consider the geographical scope. Is your review global, or are you focusing on a specific region? 
  • Define the inclusion and exclusion criteria. What types of sources will you include? Are there specific types of studies or publications you will exclude? 

Select Databases for Searches:  

  • Identify relevant databases for your field. Examples include PubMed, IEEE Xplore, Scopus, Web of Science, and Google Scholar. 
  • Consider searching in library catalogs, institutional repositories, and specialized databases related to your topic. 

Conduct Searches and Keep Track:  

  • Develop a systematic search strategy using keywords, Boolean operators (AND, OR, NOT), and other search techniques. 
  • Record and document your search strategy for transparency and replicability. 
  • Keep track of the articles, including publication details, abstracts, and links. Use citation management tools like EndNote, Zotero, or Mendeley to organize your references. 

Review the Literature:  

  • Evaluate the relevance and quality of each source. Consider the methodology, sample size, and results of studies. 
  • Organize the literature by themes or key concepts. Identify patterns, trends, and gaps in the existing research. 
  • Summarize key findings and arguments from each source. Compare and contrast different perspectives. 
  • Identify areas where there is a consensus in the literature and where there are conflicting opinions. 
  • Provide critical analysis and synthesis of the literature. What are the strengths and weaknesses of existing research? 

Organize and Write Your Literature Review:  

  • Literature review outline should be based on themes, chronological order, or methodological approaches. 
  • Write a clear and coherent narrative that synthesizes the information gathered. 
  • Use proper citations for each source and ensure consistency in your citation style (APA, MLA, Chicago, etc.). 
  • Conclude your literature review by summarizing key findings, identifying gaps, and suggesting areas for future research. 

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How to write a literature review faster with Paperpal?  

Paperpal, an AI writing assistant, integrates powerful academic search capabilities within its writing platform. With the Research | Cite feature, you get 100% factual insights, with citations backed by 250M+ verified research articles, directly within your writing interface. It also allows you auto-cite references in 10,000+ styles and save relevant references in your Citation Library. By eliminating the need to switch tabs to find answers to all your research questions, Paperpal saves time and helps you stay focused on your writing.   

Here’s how to use the Research feature:  

  • Ask a question: Get started with a new document on paperpal.com. Click on the “Research | Cite” feature and type your question in plain English. Paperpal will scour over 250 million research articles, including conference papers and preprints, to provide you with accurate insights and citations. 

Paperpal Research Feature

  • Review and Save: Paperpal summarizes the information, while citing sources and listing relevant reads. You can quickly scan the results to identify relevant references and save these directly to your built-in citations library for later access. 
  • Cite with Confidence: Paperpal makes it easy to incorporate relevant citations and references in 10,000+ styles into your writing, ensuring your arguments are well-supported by credible sources. This translates to a polished, well-researched literature review. 

how to write a literature review in a research proposal

The literature review sample and detailed advice on writing and conducting a review will help you produce a well-structured report. But remember that a good literature review is an ongoing process, and it may be necessary to revisit and update it as your research progresses. By combining effortless research with an easy citation process, Paperpal Research streamlines the literature review process and empowers you to write faster and with more confidence. Try Paperpal Research now and see for yourself.  

A literature review is a critical and comprehensive analysis of existing literature (published and unpublished works) on a specific topic or research question and provides a synthesis of the current state of knowledge in a particular field. A well-conducted literature review is crucial for researchers to build upon existing knowledge, avoid duplication of efforts, and contribute to the advancement of their field. It also helps researchers situate their work within a broader context and facilitates the development of a sound theoretical and conceptual framework for their studies.

Literature review is a crucial component of research writing, providing a solid background for a research paper’s investigation. The aim is to keep professionals up to date by providing an understanding of ongoing developments within a specific field, including research methods, and experimental techniques used in that field, and present that knowledge in the form of a written report. Also, the depth and breadth of the literature review emphasizes the credibility of the scholar in his or her field.  

Before writing a literature review, it’s essential to undertake several preparatory steps to ensure that your review is well-researched, organized, and focused. This includes choosing a topic of general interest to you and doing exploratory research on that topic, writing an annotated bibliography, and noting major points, especially those that relate to the position you have taken on the topic. 

Literature reviews and academic research papers are essential components of scholarly work but serve different purposes within the academic realm. 3 A literature review aims to provide a foundation for understanding the current state of research on a particular topic, identify gaps or controversies, and lay the groundwork for future research. Therefore, it draws heavily from existing academic sources, including books, journal articles, and other scholarly publications. In contrast, an academic research paper aims to present new knowledge, contribute to the academic discourse, and advance the understanding of a specific research question. Therefore, it involves a mix of existing literature (in the introduction and literature review sections) and original data or findings obtained through research methods. 

Literature reviews are essential components of academic and research papers, and various strategies can be employed to conduct them effectively. If you want to know how to write a literature review for a research paper, here are four common approaches that are often used by researchers.  Chronological Review: This strategy involves organizing the literature based on the chronological order of publication. It helps to trace the development of a topic over time, showing how ideas, theories, and research have evolved.  Thematic Review: Thematic reviews focus on identifying and analyzing themes or topics that cut across different studies. Instead of organizing the literature chronologically, it is grouped by key themes or concepts, allowing for a comprehensive exploration of various aspects of the topic.  Methodological Review: This strategy involves organizing the literature based on the research methods employed in different studies. It helps to highlight the strengths and weaknesses of various methodologies and allows the reader to evaluate the reliability and validity of the research findings.  Theoretical Review: A theoretical review examines the literature based on the theoretical frameworks used in different studies. This approach helps to identify the key theories that have been applied to the topic and assess their contributions to the understanding of the subject.  It’s important to note that these strategies are not mutually exclusive, and a literature review may combine elements of more than one approach. The choice of strategy depends on the research question, the nature of the literature available, and the goals of the review. Additionally, other strategies, such as integrative reviews or systematic reviews, may be employed depending on the specific requirements of the research.

The literature review format can vary depending on the specific publication guidelines. However, there are some common elements and structures that are often followed. Here is a general guideline for the format of a literature review:  Introduction:   Provide an overview of the topic.  Define the scope and purpose of the literature review.  State the research question or objective.  Body:   Organize the literature by themes, concepts, or chronology.  Critically analyze and evaluate each source.  Discuss the strengths and weaknesses of the studies.  Highlight any methodological limitations or biases.  Identify patterns, connections, or contradictions in the existing research.  Conclusion:   Summarize the key points discussed in the literature review.  Highlight the research gap.  Address the research question or objective stated in the introduction.  Highlight the contributions of the review and suggest directions for future research.

Both annotated bibliographies and literature reviews involve the examination of scholarly sources. While annotated bibliographies focus on individual sources with brief annotations, literature reviews provide a more in-depth, integrated, and comprehensive analysis of existing literature on a specific topic. The key differences are as follows: 

References 

  • Denney, A. S., & Tewksbury, R. (2013). How to write a literature review.  Journal of criminal justice education ,  24 (2), 218-234. 
  • Pan, M. L. (2016).  Preparing literature reviews: Qualitative and quantitative approaches . Taylor & Francis. 
  • Cantero, C. (2019). How to write a literature review.  San José State University Writing Center . 

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Literature Review in Research Proposal- A Comprehensive Guide

how to write a literature review in a research proposal

Writing a research proposal involves several important elements. One of the crucial components is the literature review. A literature review provides a critical analysis of existing scholarly works related to the research topic. It helps researchers identify the current state of knowledge, highlight gaps in the literature, and establish the significance of their own research.

Table of Contents

Literature Review in Research Methodology

A literature review is a comprehensive examination and evaluation of existing academic publications and other sources relevant to a particular research topic. Its purpose is to provide a summary, analysis, and synthesis of the available literature to establish the current knowledge on the subject and its relationship to the proposed research.

The literature review is a vital component of the research methodology. It helps researchers gain a deep understanding of the existing literature, identify key theories, concepts, and methodologies. It also determines the most appropriate research approach. The literature review guides researchers in refining their research questions and hypotheses and justifying the significance of their proposed study.

Literature Review Example for Research Proposal

Let’s consider an example to better understand how a literature review is structured within a research proposal. Suppose the research proposal aims to investigate the impact of social media on mental health among adolescents. The literature review in this proposal would involve reviewing existing studies on social media usage, mental health issues, and the relationship between the two.

Types of Literature Review

There are various types of literature reviews that can be used in research proposals. These include:

  • Narrative or Traditional Literature Review : It provides a broad overview and summary of existing literature.
  • Systematic Literature Review : It follows a well-defined methodology for searching, evaluating, and analyzing literature to answer specific research questions.
  • Meta-analysis : It involves statistical analysis of data from multiple studies to draw conclusions.
  • Scoping Review : It aims to map the existing literature on a broad topic area and identify research gaps.

How to Write a Literature Review for a Research Paper?

Writing an effective literature review requires a systematic approach. Here are the key steps involved:

image showing how to write a  Literature Review for a Research Paper

Formulating Research Questions

Clearly define the research questions or objectives that your literature review aims to address. This will guide your search for relevant sources and help you focus on specific aspects of the topic.

Searching for Relevant Sources

Conduct a comprehensive search using databases, academic journals, books, and other relevant sources. Use keywords and search terms related to your research topic to retrieve the most relevant literature.

Evaluating and Analyzing Sources

Critically evaluate the selected sources based on their relevance, credibility, and reliability. Analyze the main arguments, methodologies, and findings of each source to extract valuable information.

Organizing and Synthesizing Information

Organize the information gathered from different sources based on themes, concepts, or methodologies. Identify commonalities, differences, and gaps in the literature. Synthesize the information to present a cohesive narrative.

Writing the Literature Review

Begin your literature review with an introduction that sets the context and explains the purpose. Develop the body paragraphs by discussing key findings, theories, and concepts from the literature. Include critical analysis and provide evidence to support your arguments. Finally, conclude the literature review by summarizing the main points and emphasizing the research gaps.

Purpose of a Literature Review in Research

The literature review serves several important purposes in a research proposal:

  • Demonstrates familiarity with the research topic and the existing body of knowledge.
  • Identifies research gaps and unanswered questions.
  • Establishes the significance and relevance of the proposed research.
  • Provides a theoretical framework and conceptual basis for the study.
  • Guides the selection of appropriate research methods and approaches.

Related FAQs

How do you write a literature review for a research proposal.

Search for relevant literature. Evaluate sources. Identify themes, debates, and gaps. Outline the structure. Write your literature review.

What is meant by literary review in a research proposal?

In a research proposal, a literary review refers to a comprehensive evaluation and analysis of existing scholarly works and literature relevant to the research topic.

What is the role of the literature review in the project proposal?

The role of a literature review in a project proposal is to provide a critical overview of existing research and knowledge related to the project’s subject.

What is the format of a literature review?

The format of a literature review typically includes an introduction, a body section presenting the reviewed literature, and a conclusion. It follows a systematic and logical structure, highlighting key themes, theories, methodologies, and findings from previous studies.

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Literature Review in Research Proposal: A Comprehensive Guide

literature review in research proposal

  • Introduction: What is a Literature Review and Why is it Important?

The introduction is an essential part of any literature review in a research proposal. It provides a foundation for the entire review and gives context to the importance of conducting a literature review in the first place. In this section, you will need to provide a brief definition of what a literature review is and why it is an essential component of a research proposal.

A literature review is a critical evaluation and summary of published research studies and other sources relevant to a particular research topic. The purpose of a literature review is to identify and evaluate the existing knowledge on a topic, as well as to identify any gaps in the knowledge base that the proposed research aims to fill.

In a research proposal, the introduction section must explain the importance of the literature review to the overall project. It is an opportunity to convince the reader of the significance of the research problem and to show how the literature review will contribute to knowledge building. This section should also provide a clear and concise statement of the research problem and the research question(s).

Overall, the introduction section sets the stage for the literature review and the research proposal as a whole. It provides a context for the research problem, highlights the knowledge gaps that the proposed research aims to fill, and justifies the importance of the literature review in achieving the research objectives. By providing a clear and compelling introduction, researchers can ensure that their proposal has a strong foundation for success.

In This Article:

literature review in research proposal

Defining the Research Problem

Developing a research question, conducting a literature search, analyzing and synthesizing literature, evaluating the quality of literature, identifying themes and patterns, previous articles:.

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Subheading 2, “Defining the Research Problem: Using Literature Review to Identify Gaps in Knowledge,” is an important subheading in the literature review section of a research proposal. A literature review is an essential part of any research project as it provides a comprehensive overview of the existing body of knowledge on a specific research topic.

To define the research problem, it is crucial to identify what is already known and what is not known about the research topic. This is where a literature review comes in handy. This process of identifying gaps in knowledge allows the researcher to identify the specific research problem and develop research questions and objectives that can address those gaps.

In summary, subheading 2 is critical in the literature review section of a research proposal as it highlights the importance of using a literature review to identify gaps in knowledge and define the research problem.

The subheading “Developing a Research Question: Using Literature Review to Inform Research Questions and Objectives” highlights the crucial role of literature review in guiding the development of research questions and objectives. A well-formulated research question provides a clear focus for the study, ensuring that the research stays on track and avoids any unnecessary or irrelevant work. In addition, by conducting a thorough literature review, researchers can identify the current state of knowledge on the topic, recognize any gaps or inconsistencies in the literature, and identify potential areas of further exploration.

To develop a research question, it is important to first consider the research problem and the purpose of the study. Once the problem has been defined, the literature review can help to identify relevant theoretical and empirical frameworks that can inform the development of research questions. The literature review can also help to refine and narrow the research question, ensuring that it is feasible, relevant, and important.

The fourth subheading, “Conducting a Literature Search: Tips and Strategies for Finding Relevant Studies and Sources,” is an essential aspect of writing a comprehensive literature review for a research proposal. The literature search is a critical step in identifying relevant studies and sources that will help answer the research question and objectives.

When conducting a literature search, it is crucial to develop a systematic approach that will guide the process.

In addition, it is important to document the search process by keeping a record of the keywords used, the sources searched, and the search results. This documentation will enable researchers to retrace their steps if necessary and ensure that they are transparent in their research methods.

Another important consideration when conducting a literature search is the quality of the sources used. Researchers should be mindful of the credibility of the sources and ensure that they are peer-reviewed, reputable, and relevant to the research question. Using sources that are not reliable or relevant can weaken the literature review and the overall research proposal.

Subheading 5, “Analyzing and Synthesizing Literature: Methods for Summarizing and Integrating Findings,” is a critical component of any literature review in a research proposal. This subheading refers to the process of reviewing and synthesizing existing research to gain an understanding of the current state of knowledge on the research topic.

In the analysis and synthesis phase, the researcher begins by reviewing the literature collected in the search phase. This process involves reading through each article or source, summarizing the main findings, and noting the key points that contribute to the understanding of the research problem. The researcher may use a variety of methods to organize the information, such as tables, charts, or diagrams.

Once the researcher has completed the summary of each study, the synthesis phase begins. This is the process of integrating the findings from the individual studies into a cohesive whole. The researcher must identify commonalities and differences between the studies and identify themes and patterns that emerge across the literature.

Subheading 6, “Evaluating the Quality of Literature: Criteria for Assessing the Validity and Reliability of Studies,” is a crucial element of any literature review in a research proposal. Evaluating the quality of literature is an essential step in ensuring that the information gathered from various sources is trustworthy and accurate.

To evaluate the quality of literature, researchers must use established criteria that are specific to the research topic and questions. For example, when conducting research in the social sciences, the criteria may include the validity of the research design, the reliability of the data collection methods, and the transparency of the analysis. In contrast, when researching in the natural sciences, the criteria may include the accuracy of the measurements, the statistical analysis, and the experimental design.

One way to evaluate the quality of literature is to use a systematic review approach. Systematic reviews involve a thorough and structured process of searching, evaluating, and synthesizing existing research to answer specific research questions. This approach ensures that the quality of the literature is assessed in a rigorous and transparent way, which increases the confidence in the findings of the literature review.

Subheading 7, “Identifying Themes and Patterns: Techniques for Identifying Common Themes and Patterns Across Studies,” is an important aspect of conducting a literature review in a research proposal. After conducting a thorough literature search and analyzing and synthesizing the findings, researchers need to identify the common themes and patterns that emerge across different studies. Furthermore, this process is essential because it helps to build a solid foundation for the proposed research by identifying existing knowledge gaps and areas where further research is needed.

One technique for identifying themes and patterns is to use a thematic analysis approach. Thematic analysis involves reading through the literature and highlighting or coding relevant data that relates to the research question or objective. Once all of the data has been coded, researchers can then categorize the codes into themes, which can be used to summarize the key findings of the literature review.

Another technique for identifying themes and patterns is to use a meta-synthesis approach. Meta-synthesis involves synthesizing the findings of multiple studies and identifying common themes and patterns that emerge.

In conclusion, a literature review is an essential component of any research proposal, and its importance cannot be overstated. The literature review helps to identify existing knowledge gaps, inform research questions and objectives, and build a solid foundation for the proposed research. In addition, by conducting a thorough literature search, analyzing and synthesizing the findings, and identifying common themes and patterns, researchers can ensure that their literature review is comprehensive and relevant to their research objectives.

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The Ultimate Guide to Writing a Literature Review for a Research Proposal

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how to write a literature review in a research proposal

The Ultimate Guide to writing a Literature Review for a Research Proposal

A literature review is a critical analysis of published sources, such as books, journal articles, and dissertations, on a specific topic. IT is an essential component of a research proposal as IT demonstrates your knowledge and understanding of the existing literature related to your research question. This guide will provide you with valuable insights and tips to effectively write a literature review that will impress your readers.

Understanding the Purpose of a Literature Review

Before diving into the process of writing a literature review, IT is crucial to understand its purpose. A literature review serves several purposes:

  • To identify gaps in existing research and highlight the need for your study
  • To provide a theoretical framework for your research
  • To establish the credibility and authority of your work by demonstrating your knowledge of previously published studies
  • To show how your research contributes to the existing body of knowledge

Selecting Relevant Sources

The first step in writing a literature review is to identify and select credible and relevant sources. Start by brainstorming keywords related to your research topic and use them to search in academic databases, such as Google Scholar, PubMed, or Scopus. Make sure to include a mix of primary and secondary sources to ensure a comprehensive review.

Primary sources are original research articles or studies, while secondary sources are reviews, meta-analyses, and theoretical papers that summarize and analyze existing research. IT is essential to select sources that are recent, reputable, and directly related to your research question.

Organizing Your Literature Review

The structure of your literature review depends on the purpose, scope, and direction of your research proposal. However, a commonly used structure is as follows:

  • Introduction: Provide an overview of the topic, its significance, and your research question.
  • Body paragraphs: Organize your review thematically or chronologically. Thematic organization involves grouping studies based on common themes or concepts, while chronological organization highlights the historical development of research in the field.
  • Analysis and discussion: Critically evaluate the strengths and weaknesses of each study and identify patterns, controversies, or gaps in the literature. Compare and contrast different studies and theories to support your arguments.
  • Conclusion: Summarize the main findings of the literature review and highlight its implications for your research proposal.

writing Style and Tone

When writing a literature review, IT is essential to adopt an academic and objective tone. Avoid using first-person pronouns and focus on synthesizing and analyzing existing literature. Use linking words and phrases to ensure a smooth flow between paragraphs and concepts. Additionally, make sure to cite all your sources accurately using the appropriate citation style, such as APA, MLA, or Chicago.

A literature review is a crucial element of a research proposal that demonstrates your understanding of the existing research on a particular topic. By selecting relevant sources and organizing your review effectively, you can provide a comprehensive overview of the literature. Remember to maintain an objective tone and critically analyze the strengths and weaknesses of each study. A well-written literature review will not only enhance the credibility of your research proposal but also contribute to the overall body of knowledge in your field.

What is the recommended length for a literature review?

The length of a literature review varies depending on the requirements of the research proposal and the complexity of the topic. However, a literature review for a research proposal is typically around 1000-2000 words. IT is essential to maintain a balance between providing sufficient information and avoiding unnecessary repetitions.

Should I include every source I found in my literature review?

No, IT is not necessary to include every source you come across in your literature review. Instead, focus on selecting the most relevant and credible sources that directly contribute to your research question. Including too many sources can make your literature review lengthy and unfocused.

How do I know if a source is credible?

When assessing the credibility of a source, consider the author’s expertise, the reputation of the publishing journal or publisher, and the presence of peer-review. Additionally, ensure the information is supported by evidence and aligns with the existing body of knowledge.

Can I express my own opinions in a literature review?

A literature review should be an objective analysis of existing research rather than a platform for personal opinions. While you can provide a critical evaluation of the strengths and weaknesses of various studies, make sure to support your arguments with evidence from the literature.

Should I include a conclusion in my literature review?

Yes, IT is crucial to include a conclusion section in your literature review to summarize the main findings, highlight gaps or controversies, and suggest areas for further research. The conclusion ties your literature review together and demonstrates its significance in the context of your research proposal.

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  1. Example Of A Literature Review

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  2. Writing the literature Review for a research proposal

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  3. Research Proposal Literature Review Sample

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  4. (PDF) HOW TO WRITE A LITERATURE REVIEW IN A PROPOSAL/THESIS: A CONVERSATION WITH A PURPOSE

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  5. Research Proposal Literature Review Sample by Lit Review Samples

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COMMENTS

  1. How do you write a review of the literature for your proposal?

    This step will concentrate on developing review of the literature for a research proposal. In a review of the literature for a scientific research proposal you must demonstrate that you: • Understand the context of the research and where it is being undertaken. • Are able to identify what is known/not known about the research subject.

  2. Writing a Literature Review - Purdue OWL® - Purdue University

    The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research (scholarship) in a given field. You will often see the terms “the research,” “the ...

  3. How to Write a Literature Review | Guide, Examples, & Templates

    Jan 2, 2023 · The introduction should clearly establish the focus and purpose of the literature review. Tip If you are writing the literature review as part of your dissertation or thesis, reiterate your central problem or research question and give a brief summary of the scholarly context. You can emphasize the timeliness of the topic (“many recent ...

  4. How to Write a Literature Review in Your Research Proposal

    Sep 13, 2024 · A literature review in a research proposal is not just a formal requirement; it's a crucial component that underpins the entire research process. By reviewing existing literature , the researcher establishes a foundation, showing the current state of knowledge and how their project fits into the broader academic conversation.

  5. How to Write a Literature Review: A Step-by-Step Guide for ...

    Dec 12, 2024 · By following these organizational strategies, you'll transform scattered research into a clear foundation for writing. A structured approach not only makes writing easier but also deepens your understanding of the field. With your materials well-organized, you're ready to craft a compelling narrative structure for your literature review.

  6. 15 Literature Review Examples - Helpful Professor

    Dec 6, 2023 · For the following types of literature review, I present an explanation and overview of the type, followed by links to some real-life literature reviews on the topics. 1. Narrative Review Examples. Also known as a traditional literature review, the narrative review provides a broad overview of the studies done on a particular topic.

  7. What is a Literature Review? How to Write It (with Examples)

    Jan 31, 2024 · A literature review is a critical analysis and synthesis of existing research on a particular topic. It provides an overview of the current state of knowledge, identifies gaps, and highlights key findings in the literature. 1 The purpose of a literature review is to situate your own research within the context of existing scholarship, demonstrating your understanding of the topic and showing ...

  8. Literature Review in Research Proposal- A Comprehensive Guide

    Jul 13, 2023 · Literature Review Example for Research Proposal Let’s consider an example to better understand how a literature review is structured within a research proposal. Suppose the research proposal aims to investigate the impact of social media on mental health among adolescents.

  9. Literature Review in Research Proposal: A Comprehensive Guide

    Subheading 2, “Defining the Research Problem: Using Literature Review to Identify Gaps in Knowledge,” is an important subheading in the literature review section of a research proposal. A literature review is an essential part of any research project as it provides a comprehensive overview of the existing body of knowledge on a specific ...

  10. The Ultimate Guide to Writing a Literature Review for a ...

    Sep 28, 2023 · The length of a literature review varies depending on the requirements of the research proposal and the complexity of the topic. However, a literature review for a research proposal is typically around 1000-2000 words. IT is essential to maintain a balance between providing sufficient information and avoiding unnecessary repetitions.