types of publication for literature review

Literature Review: Types of literature reviews

• Traditional or narrative literature reviews
• Scoping Reviews
• Systematic literature reviews
• Annotated bibliography
• Keeping up to date with literature
• Finding a thesis
• Evaluating sources and critical appraisal of literature
• Managing and analysing your literature
• Further reading and resources

Types of literature reviews

The type of literature review you write will depend on your discipline and whether you are a researcher writing your PhD, publishing a study in a journal or completing an assessment task in your undergraduate study.

A literature review for a subject in an undergraduate degree will not be as comprehensive as the literature review required for a PhD thesis.

An undergraduate literature review may be in the form of an annotated bibliography or a narrative review of a small selection of literature, for example ten relevant articles. If you are asked to write a literature review, and you are an undergraduate student, be guided by your subject coordinator or lecturer.

The common types of literature reviews will be explained in the pages of this section.

• Narrative or traditional literature reviews
• Critically Appraised Topic (CAT)
• Scoping reviews
• Annotated bibliographies

These are not the only types of reviews of literature that can be conducted. Often the term "review" and "literature" can be confusing and used in the wrong context. Grant and Booth (2009) attempt to clear up this confusion by discussing 14 review types and the associated methodology, and advantages and disadvantages associated with each review.

Grant, M. J. and Booth, A. (2009), A typology of reviews: an analysis of 14 review types and associated methodologies . Health Information & Libraries Journal, 26 , 91–108. doi:10.1111/j.1471-1842.2009.00848.x

What's the difference between reviews?

Researchers, academics, and librarians all use various terms to describe different types of literature reviews, and there is often inconsistency in the ways the types are discussed. Here are a couple of simple explanations.

• The image below describes common review types in terms of speed, detail, risk of bias, and comprehensiveness:

"Schematic of the main differences between the types of literature review" by Brennan, M. L., Arlt, S. P., Belshaw, Z., Buckley, L., Corah, L., Doit, H., Fajt, V. R., Grindlay, D., Moberly, H. K., Morrow, L. D., Stavisky, J., & White, C. (2020). Critically Appraised Topics (CATs) in veterinary medicine: Applying evidence in clinical practice. Frontiers in Veterinary Science, 7 , 314. https://doi.org/10.3389/fvets.2020.00314 is licensed under CC BY 3.0

• The table below lists four of the most common types of review , as adapted from a widely used typology of fourteen types of reviews (Grant & Booth, 2009).  

Grant, M.J. & Booth, A. (2009).  A typology of reviews: An analysis of 14 review types and associated methodologies. Health Information & Libraries Journal, 26 (2), 91-108. https://doi.org/10.1111/j.1471-1842.2009.00848.x

See also the Library's  Literature Review guide.

Critical Appraised Topic (CAT)

For information on conducting a Critically Appraised Topic or CAT

Callander, J., Anstey, A. V., Ingram, J. R., Limpens, J., Flohr, C., & Spuls, P. I. (2017).  How to write a Critically Appraised Topic: evidence to underpin routine clinical practice.  British Journal of Dermatology (1951), 177(4), 1007-1013. https://doi.org/10.1111/bjd.15873 

Books on Literature Reviews

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Different Types of Literature Review: Which One Fits Your Research?

By Laura Brown on 13th October 2023

You might not have heard that there are multiple kinds of literature review. However, with the progress in your academic career you will learn these classifications and may need to use different types of them. However, there is nothing to worry if you aren’t aware of them now, as here we are going to discuss this topic in detail.

There are approximately 14 types of literature review on the basis of their specific objectives, methodologies, and the way they approach and analyse existing literature in academic research. Of those 14, there are 4 major types. But before we delve into the details of each one of them and how they are useful in academics, let’s first understand the basics of literature review.

What is Literature Review?

A literature review is a critical and systematic summary and evaluation of existing research. It is an essential component of academic and research work, providing an overview of the current state of knowledge in a particular field.

In easy words, a literature review is like making a big, organised summary of all the important research and smart books or articles about a particular topic or question. It’s something scholars and researchers do, and it helps everyone see what we already know about that topic. It’s kind of like taking a snapshot of what we understand right now in a certain field.

It serves with some specific purpose in the research.

• Provides a comprehensive understanding of existing research on a topic.
• Identifies gaps, trends, and inconsistencies in the literature.
• Contextualise your own research within the broader academic discourse.
• Supports the development of theoretical frameworks or research hypotheses.

4 Major Types Of Literature Review

The four major types include, Narrative Review, Systematic Review, Meta-Analysis, and Scoping Review. These are known as the major ones because they’re like the “go-to” methods for researchers in academic and research circles. Think of them as the classic tools in the researcher’s toolbox. They’ve earned their reputation because they have a unique style for literature review introduction , clear steps and specific qualities that make them super handy for different research needs.

1. Narrative Review

Narrative reviews present a well-structured narrative that reads like a cohesive story, providing a comprehensive overview of a specific topic. These reviews often incorporate historical context and offer a broad understanding of the subject matter, making them valuable for researchers looking to establish a foundational understanding of their area of interest. They are particularly useful when a historical perspective or a broad context is necessary to comprehend the current state of knowledge in a field.

2. Systematic Review

Systematic reviews are renowned for their methodological rigour. They involve a meticulously structured process that includes the systematic selection of relevant studies, comprehensive data extraction, and a critical synthesis of their findings. This systematic approach is designed to minimise bias and subjectivity, making systematic reviews highly reliable and objective. They are considered the gold standard for evidence-based research as they provide a clear and rigorous assessment of the available evidence on a specific research question.

3. Meta Analysis

Meta analysis is a powerful method for researchers who prefer a quantitative and statistical perspective. It involves the statistical synthesis of data from various studies, allowing researchers to draw more precise and generalisable conclusions by combining data from multiple sources. Meta analyses are especially valuable when the aim is to quantitatively measure the effect size or impact of a particular intervention, treatment, or phenomenon.

4. Scoping Review

Scoping reviews are invaluable tools, especially for researchers in the early stages of exploring a topic. These reviews aim to map the existing literature, identifying gaps and helping clarify research questions. Scoping reviews provide a panoramic view of the available research, which is particularly useful when researchers are embarking on exploratory studies or trying to understand the breadth and depth of a subject before conducting more focused research.

Different Types Of Literature review In Research

There are some more approaches to conduct literature review. Let’s explore these classifications quickly.

5. Critical Review

Critical reviews provide an in-depth evaluation of existing literature, scrutinising sources for their strengths, weaknesses, and relevance. They offer a critical perspective, often highlighting gaps in the research and areas for further investigation.

6. Theoretical Review

Theoretical reviews are centred around exploring and analysing the theoretical frameworks, concepts, and models present in the literature. They aim to contribute to the development and refinement of theoretical perspectives within a specific field.

7. Integrative Review

Integrative reviews synthesise a diverse range of studies, drawing connections between various research findings to create a comprehensive understanding of a topic. These reviews often bridge gaps between different perspectives and provide a holistic overview.

8. Historical Review

Historical reviews focus on the evolution of a topic over time, tracing its development through past research, events, and scholarly contributions. They offer valuable context for understanding the current state of research.

9. Methodological Review

Among the different kinds of literature reviews, methodological reviews delve into the research methods and methodologies employed in existing studies. Researchers assess these approaches for their effectiveness, validity, and relevance to the research question at hand.

10. Cross-Disciplinary Review

Cross-disciplinary reviews explore a topic from multiple academic disciplines, emphasising the diversity of perspectives and insights that each discipline brings. They are particularly useful for interdisciplinary research projects and uncovering connections between seemingly unrelated fields.

11. Descriptive Review

Descriptive reviews provide an organised summary of existing literature without extensive analysis. They offer a straightforward overview of key findings, research methods, and themes present in the reviewed studies.

12. Rapid Review

Rapid reviews expedite the literature review process, focusing on summarising relevant studies quickly. They are often used for time-sensitive projects where efficiency is a priority, without sacrificing quality.

13. Conceptual Review

Conceptual reviews concentrate on clarifying and developing theoretical concepts within a specific field. They address ambiguities or inconsistencies in existing theories, aiming to refine and expand conceptual frameworks.

14. Library Research

Library research reviews rely primarily on library and archival resources to gather and synthesise information. They are often employed in historical or archive-based research projects, utilising library collections and historical documents for in-depth analysis.

Each type of literature review serves distinct purposes and comes with its own set of strengths and weaknesses, allowing researchers to choose the one that best suits their research objectives and questions.

Choosing the Ideal Literature Review Approach in Academics

In order to conduct your research in the right manner, it is important that you choose the correct type of review for your literature. Here are 8 amazing tips we have sorted for you in regard to literature review help so that you can select the best-suited type for your research.

• Clarify Your Research Goals: Begin by defining your research objectives and what you aim to achieve with the literature review. Are you looking to summarise existing knowledge, identify gaps, or analyse specific data?
• Understand Different Review Types: Familiarise yourself with different kinds of literature reviews, including systematic reviews, narrative reviews, meta-analyses, scoping reviews, and integrative reviews. Each serves a different purpose.
• Consider Available Resources: Assess the resources at your disposal, including time, access to databases, and the volume of literature on your topic. Some review types may be more resource-intensive than others.
• Alignment with Research Question: Ensure that the chosen review type aligns with your research question or hypothesis. Some types are better suited for answering specific research questions than others.
• Scope and Depth: Determine the scope and depth of your review. For a broad overview, a narrative review might be suitable, while a systematic review is ideal for an in-depth analysis.
• Consult with Advisors: Seek guidance from your academic advisors or mentors. They can provide valuable insights into which review type best fits your research goals and resources.
• Consider Research Field Standards: Different academic fields have established standards and preferences for different forms of literature review. Familiarise yourself with what is common and accepted in your field.
• Pilot Review: Consider conducting a small-scale pilot review of the literature to test the feasibility and suitability of your chosen review type before committing to a larger project.

Bonus Tip: Crafting an Effective Literature Review

Now, since you have learned all the literature review types and have understood which one to prefer, here are some bonus tips for you to structure a literature review of a dissertation .

• Clearly Define Your Research Question: Start with a well-defined and focused research question to guide your literature review.
• Thorough Search Strategy: Develop a comprehensive search strategy to ensure you capture all relevant literature.
• Critical Evaluation: Assess the quality and credibility of the sources you include in your review.
• Synthesise and Organise: Summarise the key findings and organise the literature into themes or categories.
• Maintain a Systematic Approach: If conducting a systematic review, adhere to a predefined methodology and reporting guidelines.
• Engage in Continuous Review: Regularly update your literature review to incorporate new research and maintain relevance.

Some Useful Tools And Resources For You

Effective literature reviews demand a range of tools and resources to streamline the process.

• Reference management software like EndNote, Zotero, and Mendeley helps organise, store, and cite sources, saving time and ensuring accuracy.
• Academic databases such as PubMed, Google Scholar, and Web of Science provide access to a vast array of scholarly articles, with advanced search and citation tracking features.
• Research guides from universities and libraries offer tips and templates for structuring reviews.
• Research networks like ResearchGate and Academia.edu facilitate collaboration and access to publications. Literature review templates and research workshops provide additional support.

Some Common Mistakes To Avoid

Avoid these common mistakes when crafting literature reviews.

• Unclear research objectives result in unfocused reviews, so start with well-defined questions.
• Biased source selection can compromise objectivity, so include diverse perspectives.
• Never miss on referencing; proper citation and referencing are essential for academic integrity.
• Don’t overlook older literature, which provides foundational insights.
• Be mindful of scope creep, where the review drifts from the research question; stay disciplined to maintain focus and relevance.

While Summing Up On Various Types Of Literature Review

As we conclude this classification of fourteen distinct approaches to conduct literature reviews, it’s clear that the world of research offers a multitude of avenues for understanding, analysing, and contributing to existing knowledge.

Whether you’re a seasoned scholar or a student beginning your academic journey, the choice of review type should align with your research objectives and the nature of your topic. The versatility of these approaches empowers you to tailor your review to the demands of your project.

Remember, your research endeavours have the potential to shape the future of knowledge, so choose wisely and dive into the world of literature reviews with confidence and purpose. Happy reviewing!

Laura Brown, a senior content writer who writes actionable blogs at Crowd Writer.

Literature Reviews: Types of Literature

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Types of Literature

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Different types of publications have different characteristics.

Primary Literature Primary sources means original studies, based on direct observation, use of statistical records, interviews, or experimental methods, of actual practices or the actual impact of practices or policies. They are authored by researchers, contains original research data, and are usually published in a peer-reviewed journal. Primary literature may also include conference papers, pre-prints, or preliminary reports. Also called empirical research .

Secondary Literature Secondary literature consists of interpretations and evaluations that are derived from or refer to the primary source literature. Examples include review articles (such as meta-analysis and systematic reviews) and reference works. Professionals within each discipline take the primary literature and synthesize, generalize, and integrate new research.

Tertiary Literature Tertiary literature consists of a distillation and collection of primary and secondary sources such as textbooks, encyclopedia articles, and guidebooks or handbooks. The purpose of tertiary literature is to provide an overview of key research findings and an introduction to principles and practices within the discipline.

Adapted from the Information Services Department of the Library of the Health Sciences-Chicago , University of Illinois at Chicago.

Types of Scientific Publications

These examples and descriptions of publication types will give you an idea of how to use various works and why you would want to write a particular kind of paper.

• Scholarly article aka empirical article
• Review article
• Conference paper

Scholarly (aka empirical) article -- example

Empirical studies use data derived from observation or experiment. Original research papers (also called primary research articles) that describe empirical studies and their results are published in academic journals.  Articles that report empirical research contain different sections which relate to the steps of the scientific method.

      Abstract - The abstract provides a very brief summary of the research.

     Introduction - The introduction sets the research in a context, which provides a review of related research and develops the hypotheses for the research.

     Method - The method section describes how the research was conducted.

     Results - The results section describes the outcomes of the study.

     Discussion - The discussion section contains the interpretations and implications of the study.

     References - A references section lists the articles, books, and other material cited in the report.

Review article -- example

A review article summarizes a particular field of study and places the recent research in context. It provides an overview and is an excellent introduction to a subject area. The references used in a review article are helpful as they lead to more in-depth research.

Many databases have limits or filters to search for review articles. You can also search by keywords like review article, survey, overview, summary, etc.

Conference proceedings, abstracts and reports -- example

Conference proceedings, abstracts and reports are not usually peer-reviewed.  A conference article is similar to a scholarly article insofar as it is academic. Conference articles are published much more quickly than scholarly articles. You can find conference papers in many of the same places as scholarly articles.

How Do You Identify Empirical Articles?

To identify an article based on empirical research, look for the following characteristics:

     The article is published in a peer-reviewed journal .

     The article includes charts, graphs, or statistical analysis .

     The article is substantial in size , likely to be more than 5 pages long.

     The article contains the following parts (the exact terms may vary): abstract, introduction, method, results, discussion, references .

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Literature Reviews

• Types of reviews
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Types of reviews and examples

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• Meta-analysis
• Systematized

Definition:

"A term used to describe a conventional overview of the literature, particularly when contrasted with a systematic review (Booth et al., 2012, p. 265).

Characteristics:

• Provides examination of recent or current literature on a wide range of subjects
• Varying levels of completeness / comprehensiveness, non-standardized methodology
• May or may not include comprehensive searching, quality assessment or critical appraisal

Mitchell, L. E., & Zajchowski, C. A. (2022). The history of air quality in Utah: A narrative review.  Sustainability ,  14 (15), 9653.  doi.org/10.3390/su14159653

Booth, A., Papaioannou, D., & Sutton, A. (2012). Systematic approaches to a successful literature review. London: SAGE Publications Ltd.

"An assessment of what is already known about a policy or practice issue...using systematic review methods to search and critically appraise existing research" (Grant & Booth, 2009, p. 100).

• Assessment of what is already known about an issue
• Similar to a systematic review but within a time-constrained setting
• Typically employs methodological shortcuts, increasing risk of introducing bias, includes basic level of quality assessment
• Best suited for issues needing quick decisions and solutions (i.e., policy recommendations)

Learn more about the method:

Khangura, S., Konnyu, K., Cushman, R., Grimshaw, J., & Moher, D. (2012). Evidence summaries: the evolution of a rapid review approach.  Systematic reviews, 1 (1), 1-9.  https://doi.org/10.1186/2046-4053-1-10

Virginia Commonwealth University Libraries. (2021). Rapid Review Protocol .

Quarmby, S., Santos, G., & Mathias, M. (2019). Air quality strategies and technologies: A rapid review of the international evidence.  Sustainability, 11 (10), 2757.  https://doi.org/10.3390/su11102757

Grant, M.J. & Booth, A. (2009). A typology of reviews: an analysis of the 14 review types and associated methodologies.  Health Information & Libraries Journal , 26(2), 91-108. https://www.doi.org/10.1111/j.1471-1842.2009.00848.x

Developed and refined by the Evidence for Policy and Practice Information and Co-ordinating Centre (EPPI-Centre), this review "map[s] out and categorize[s] existing literature on a particular topic, identifying gaps in research literature from which to commission further reviews and/or primary research" (Grant & Booth, 2009, p. 97).

Although mapping reviews are sometimes called scoping reviews, the key difference is that mapping reviews focus on a review question, rather than a topic

Mapping reviews are "best used where a clear target for a more focused evidence product has not yet been identified" (Booth, 2016, p. 14)

Mapping review searches are often quick and are intended to provide a broad overview

Mapping reviews can take different approaches in what types of literature is focused on in the search

Cooper I. D. (2016). What is a "mapping study?".  Journal of the Medical Library Association: JMLA ,  104 (1), 76–78. https://doi.org/10.3163/1536-5050.104.1.013

Miake-Lye, I. M., Hempel, S., Shanman, R., & Shekelle, P. G. (2016). What is an evidence map? A systematic review of published evidence maps and their definitions, methods, and products.  Systematic reviews, 5 (1), 1-21.  https://doi.org/10.1186/s13643-016-0204-x

Tainio, M., Andersen, Z. J., Nieuwenhuijsen, M. J., Hu, L., De Nazelle, A., An, R., ... & de Sá, T. H. (2021). Air pollution, physical activity and health: A mapping review of the evidence.  Environment international ,  147 , 105954.  https://doi.org/10.1016/j.envint.2020.105954

Booth, A. (2016). EVIDENT Guidance for Reviewing the Evidence: a compendium of methodological literature and websites . ResearchGate. https://doi.org/10.13140/RG.2.1.1562.9842 . 

Grant, M.J. & Booth, A. (2009). A typology of reviews: an analysis of the 14 review types and associated methodologies.  Health Information & Libraries Journal , 26(2), 91-108.  https://www.doi.org/10.1111/j.1471-1842.2009.00848.x

"A type of review that has as its primary objective the identification of the size and quality of research in a topic area in order to inform subsequent review" (Booth et al., 2012, p. 269).

• Main purpose is to map out and categorize existing literature, identify gaps in literature—great for informing policy-making
• Search comprehensiveness determined by time/scope constraints, could take longer than a systematic review
• No formal quality assessment or critical appraisal

Learn more about the methods :

Arksey, H., & O'Malley, L. (2005) Scoping studies: towards a methodological framework.  International Journal of Social Research Methodology ,  8 (1), 19-32.  https://doi.org/10.1080/1364557032000119616

Levac, D., Colquhoun, H., & O’Brien, K. K. (2010). Scoping studies: Advancing the methodology. Implementation Science: IS, 5, 69. https://doi.org/10.1186/1748-5908-5-69

Example : 

Rahman, A., Sarkar, A., Yadav, O. P., Achari, G., & Slobodnik, J. (2021). Potential human health risks due to environmental exposure to nano-and microplastics and knowledge gaps: A scoping review.  Science of the Total Environment, 757 , 143872.  https://doi.org/10.1016/j.scitotenv.2020.143872

A review that "[compiles] evidence from multiple...reviews into one accessible and usable document" (Grant & Booth, 2009, p. 103). While originally intended to be a compilation of Cochrane reviews, it now generally refers to any kind of evidence synthesis.

• Compiles evidence from multiple reviews into one document
• Often defines a broader question than is typical of a traditional systematic review

Choi, G. J., & Kang, H. (2022). The umbrella review: a useful strategy in the rain of evidence.  The Korean Journal of Pain ,  35 (2), 127–128.  https://doi.org/10.3344/kjp.2022.35.2.127

Aromataris, E., Fernandez, R., Godfrey, C. M., Holly, C., Khalil, H., & Tungpunkom, P. (2015). Summarizing systematic reviews: Methodological development, conduct and reporting of an umbrella review approach. International Journal of Evidence-Based Healthcare , 13(3), 132–140. https://doi.org/10.1097/XEB.0000000000000055

Rojas-Rueda, D., Morales-Zamora, E., Alsufyani, W. A., Herbst, C. H., Al Balawi, S. M., Alsukait, R., & Alomran, M. (2021). Environmental risk factors and health: An umbrella review of meta-analyses.  International Journal of Environmental Research and Public Dealth ,  18 (2), 704.  https://doi.org/10.3390/ijerph18020704

A meta-analysis is a "technique that statistically combines the results of quantitative studies to provide a more precise effect of the result" (Grant & Booth, 2009, p. 98).

• Statistical technique for combining results of quantitative studies to provide more precise effect of results
• Aims for exhaustive, comprehensive searching
• Quality assessment may determine inclusion/exclusion criteria
• May be conducted independently or as part of a systematic review

Berman, N. G., & Parker, R. A. (2002). Meta-analysis: Neither quick nor easy. BMC Medical Research Methodology , 2(1), 10. https://doi.org/10.1186/1471-2288-2-10

Hites R. A. (2004). Polybrominated diphenyl ethers in the environment and in people: a meta-analysis of concentrations.  Environmental Science & Technology ,  38 (4), 945–956.  https://doi.org/10.1021/es035082g

A systematic review "seeks to systematically search for, appraise, and [synthesize] research evidence, often adhering to the guidelines on the conduct of a review" provided by discipline-specific organizations, such as the Cochrane Collaboration (Grant & Booth, 2009, p. 102).

• Aims to compile and synthesize all known knowledge on a given topic
• Adheres to strict guidelines, protocols, and frameworks
• Time-intensive and often takes months to a year or more to complete
• The most commonly referred to type of evidence synthesis. Sometimes confused as a blanket term for other types of reviews

Gascon, M., Triguero-Mas, M., Martínez, D., Dadvand, P., Forns, J., Plasència, A., & Nieuwenhuijsen, M. J. (2015). Mental health benefits of long-term exposure to residential green and blue spaces: a systematic review.  International Journal of Environmental Research and Public Health ,  12 (4), 4354–4379.  https://doi.org/10.3390/ijerph120404354

"Systematized reviews attempt to include one or more elements of the systematic review process while stopping short of claiming that the resultant output is a systematic review" (Grant & Booth, 2009, p. 102). When a systematic review approach is adapted to produce a more manageable scope, while still retaining the rigor of a systematic review such as risk of bias assessment and the use of a protocol, this is often referred to as a  structured review  (Huelin et al., 2015).

• Typically conducted by postgraduate or graduate students
• Often assigned by instructors to students who don't have the resources to conduct a full systematic review

Salvo, G., Lashewicz, B. M., Doyle-Baker, P. K., & McCormack, G. R. (2018). Neighbourhood built environment influences on physical activity among adults: A systematized review of qualitative evidence.  International Journal of Environmental Research and Public Health ,  15 (5), 897.  https://doi.org/10.3390/ijerph15050897

Huelin, R., Iheanacho, I., Payne, K., & Sandman, K. (2015). What’s in a name? Systematic and non-systematic literature reviews, and why the distinction matters. https://www.evidera.com/resource/whats-in-a-name-systematic-and-non-systematic-literature-reviews-and-why-the-distinction-matters/

• Review Decision Tree - Cornell University For more information, check out Cornell's review methodology decision tree.
• LitR-Ex.com - Eight literature review methodologies Learn more about 8 different review types (incl. Systematic Reviews and Scoping Reviews) with practical tips about strengths and weaknesses of different methods.
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Systematic Reviews

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What Makes a Systematic Review Different from Other Types of Reviews?

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Reproduced from Grant, M. J. and Booth, A. (2009), A typology of reviews: an analysis of 14 review types and associated methodologies. Health Information & Libraries Journal, 26: 91–108. doi:10.1111/j.1471-1842.2009.00848.x

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Which review is that? A guide to review types

• Which review is that?
• Review Comparison Chart
• Decision Tool
• Critical Review
• Integrative Review
• Narrative Review
• State of the Art Review
• Narrative Summary
• Systematic Review
• Meta-analysis
• Comparative Effectiveness Review
• Diagnostic Systematic Review
• Network Meta-analysis
• Prognostic Review
• Psychometric Review
• Review of Economic Evaluations
• Systematic Review of Epidemiology Studies
• Living Systematic Reviews
• Umbrella Review
• Review of Reviews
• Rapid Review
• Rapid Evidence Assessment
• Rapid Realist Review
• Qualitative Evidence Synthesis
• Qualitative Interpretive Meta-synthesis
• Qualitative Meta-synthesis
• Qualitative Research Synthesis
• Framework Synthesis - Best-fit Framework Synthesis
• Meta-aggregation
• Meta-ethnography
• Meta-interpretation
• Meta-narrative Review
• Meta-summary
• Thematic Synthesis
• Mixed Methods Synthesis
• Narrative Synthesis
• Bayesian Meta-analysis
• EPPI-Centre Review
• Critical Interpretive Synthesis
• Realist Synthesis - Realist Review
• Scoping Review
• Mapping Review
• Systematised Review
• Concept Synthesis
• Expert Opinion - Policy Review
• Technology Assessment Review
• Methodological Review
• Systematic Search and Review

This quick reference tool provides information on a wide range of literature review types that are available for research synthesis for publication and research purposes.  

Graphic and guide based on on the work of  Sutton et al., (2019) on 'Review Families'.

*Note to students undertaking a literature review as part of coursework:

It is recommended that students undertaking a literature review as part of their coursework follow the literature review guidelines provided within their subject as they may include selected elements of full literature reviews suitable to the learning task.

References Sutton, A., Clowes, M., Preston, L., & Booth, A. (2019). Meeting the review family: exploring review types and associated information retrieval requirements.  Health Information & Libraries Journal ,  36 (3), 202-222.  Full Text

Cite this guide

Birkic, V., Celeste, T., & Cochrane, L. (2020). Which review is that? A guide to review types, Available from https://unimelb.libguides.com/whichreview

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Conducting a Literature Review

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Review Comparison Chart

A selection of the common review types found in the literature is presented and compared in the following table using the SALSA framework developed by Grant and Booth (2009).

Adapted from:

Grant, M.J. and Booth, A. (2009), A typology of reviews: an analysis of 14 review types and associated methodologies. Health Information & Libraries Journal, 26: 91-108.  https://doi.org/10.1111/j.1471-1842.2009.00848.x

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"Review Comparison Chart" from  Which review is that? A guide to review types  by the University of Melbourne Library is used with permission.

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Home » Literature Review – Types Writing Guide and Examples

Literature Review – Types Writing Guide and Examples

Table of Contents

A literature review is an essential part of research that surveys existing studies on a topic, providing a foundation and context for new research. It identifies gaps, highlights trends, and establishes a basis for the study’s research questions. This guide explains the types of literature reviews, offers a step-by-step writing guide, and includes examples to help you write a comprehensive and effective review.

Literature Review

A literature review synthesizes and evaluates previous research on a topic. It involves collecting relevant studies, analyzing their findings, and summarizing the knowledge gained. By conducting a literature review, researchers can establish their research within the broader academic conversation, showing how their study builds on or diverges from existing work.

Purposes of a Literature Review :

• Establish Context : Show the current state of research in the field.
• Identify Gaps : Highlight areas that need further investigation.
• Support Research Goals : Provide a foundation for research questions or hypotheses.
• Prevent Redundancy : Avoid duplicating existing studies by understanding what has already been done.

Types of Literature Reviews

1. narrative (traditional) literature review.

• Provides a comprehensive summary of the literature on a topic without a specific research question.
• Commonly used to establish context, it discusses broad themes and trends.
• Example : A narrative review on mental health might cover various treatment approaches and outcomes without a specific focus.

2. Systematic Literature Review

• Involves a structured, replicable process to collect, evaluate, and summarize relevant studies.
• Includes specific criteria for selecting studies and aims to answer a focused research question.
• Example : A systematic review on the effects of cognitive-behavioral therapy on anxiety would detail the selection process, inclusion criteria, and statistical findings.

3. Meta-Analysis

• A subtype of a systematic review that uses statistical methods to combine findings from multiple studies, providing quantitative insights.
• Example : A meta-analysis of studies on the impact of exercise on stress relief might provide an average effect size across all studies.

4. Theoretical Literature Review

• Focuses on evaluating theoretical frameworks, models, and key concepts rather than empirical data.
• Useful for exploring theories that guide research in specific fields.
• Example : Reviewing theories of motivation in education to understand which are most applicable to modern teaching practices.

5. Scoping Review

• Maps the breadth of literature on a broad topic without the rigor of a systematic review.
• Used to identify research gaps and potential areas for future study.
• Example : A scoping review of digital marketing practices in e-commerce might explore various strategies and technologies without evaluating outcomes.

6. Integrative Literature Review

• Integrates and synthesizes both qualitative and quantitative studies to provide a broad understanding of a topic.
• Useful for establishing new theoretical frameworks or identifying broad trends.
• Example : An integrative review on employee engagement could analyze surveys, interviews, and case studies to create a cohesive view of engagement factors.

Writing Guide for a Literature Review

Step 1: define your research scope and purpose.

Start by clarifying the purpose and scope of your literature review. Determine whether you are conducting a broad overview or focusing on specific questions or theories.

Example : “This literature review examines the relationship between social media use and mental health, focusing on how social media impacts self-esteem and anxiety.”

Step 2: Search for Relevant Literature

Use academic databases like PubMed, JSTOR, and Google Scholar to locate relevant articles. Define your search terms and criteria, and prioritize recent studies or key papers in the field.

• Keywords : Use specific keywords and phrases that are central to your topic.
• Inclusion/Exclusion Criteria : Define parameters for the studies you will include, such as publication date, sample size, or methodology.

Example : For a review on employee motivation, keywords might include “employee engagement,” “motivation in the workplace,” and “job satisfaction.”

Step 3: Organize and Summarize Key Themes

Read each study carefully and take notes on significant findings, methodologies, and limitations. Identify recurring themes, patterns, or controversies and organize the literature based on these insights.

Example : Themes in a review on remote work might include productivity, work-life balance, and mental health.

Step 4: Develop an Outline

Structure your literature review to maintain logical flow and readability. A typical outline includes:

• Introduction : Briefly introduce the topic, purpose, and scope of the review.
• Thematic Sections : Divide the review into sections based on themes or research approaches.
• Conclusion : Summarize findings, highlight research gaps, and suggest future research directions.

Example Outline for a Literature Review on Mental Health :

• Introduction
• Impact of Social Media on Self-Esteem
• Social Media’s Role in Anxiety and Depression
• Gaps in the Literature and Future Directions

Step 5: Analyze and Synthesize the Literature

Go beyond summarizing by comparing studies, analyzing their results, and synthesizing insights. Highlight consistencies, contradictions, or unique findings that contribute to a comprehensive understanding of the topic.

Example : Discuss how different studies on cognitive-behavioral therapy report varying levels of effectiveness for depression, based on factors like sample size or intervention duration.

Step 6: Write the Literature Review

Following your outline, write each section of the literature review. Ensure that each paragraph flows logically and builds on previous sections. Use direct quotes sparingly and focus on paraphrasing findings to maintain your narrative.

• Introduction : Present an overview of the topic, importance, and objectives.
• Body : Detail each theme, comparing and contrasting findings.
• Conclusion : Summarize the main findings, acknowledge gaps, and suggest areas for further study.

Step 7: Cite Sources and Format Properly

Use consistent citation style (APA, MLA, Chicago, etc.) and include a reference list of all sources. Proper referencing gives credit to authors and strengthens the credibility of your review.

Example of a Literature Review Excerpt

Title : Literature Review on the Effects of Social Media on Adolescent Mental Health

Introduction Social media has become an integral part of adolescents’ lives, influencing their mental health and well-being. This literature review explores how social media affects self-esteem and anxiety among adolescents, summarizing studies conducted over the past decade.

Social Media and Self-Esteem Several studies have found that social media can have both positive and negative effects on adolescent self-esteem. For instance, Valkenburg and Peter (2019) observed that positive interactions on social media platforms boost self-esteem, while negative comments contribute to lower self-worth. Conversely, a study by Jackson (2020) indicated that adolescents who frequently compare themselves to others on social media report lower self-esteem overall.

Social Media and Anxiety Anxiety is another psychological issue linked to social media use. Research by Smith et al. (2018) suggests that excessive use of platforms like Instagram is associated with increased anxiety levels, particularly among girls. A meta-analysis by Johnson and Allen (2021) revealed a correlation between time spent on social media and higher levels of anxiety, although it acknowledged that causation could not be definitively established.

Conclusion The reviewed studies highlight both the positive and negative impacts of social media on adolescent mental health. However, gaps remain, particularly regarding longitudinal studies that track these effects over time. Future research should focus on examining the long-term psychological effects of social media use to guide effective interventions.

Tips for Writing an Effective Literature Review

• Be Objective : Avoid personal biases and represent the literature fairly.
• Stay Focused : Stick to the main research question and relevant studies.
• Use Clear Transitions : Ensure a logical flow between sections and ideas.
• Critique, Don’t Just Summarize : Analyze and evaluate studies to highlight strengths and weaknesses.
• Revise and Proofread : Ensure clarity, coherence, and consistency in writing style.

Common Mistakes to Avoid

• Over-Reliance on Direct Quotes : Paraphrase to keep your voice consistent.
• Lack of Structure : Use an outline to organize the literature review logically.
• Not Addressing Contradictory Findings : Acknowledge and discuss differing results.
• Ignoring Methodological Differences : Consider how study designs or sample sizes affect findings.
• Failure to Update Sources : Use the most recent and relevant studies to ensure your review is current.

A literature review is a critical component of research that establishes the foundation for your study. By understanding the types of literature reviews and following a structured writing guide, you can create a comprehensive, insightful review that supports your research goals. Whether conducting a systematic review, meta-analysis, or narrative review, a well-crafted literature review not only summarizes existing knowledge but also contributes to academic discourse by identifying research gaps and future directions.

• Booth, A., Sutton, A., & Papaioannou, D. (2016). Systematic Approaches to a Successful Literature Review . Sage Publications.
• Creswell, J. W. (2018). Research Design: Qualitative, Quantitative, and Mixed Methods Approaches . Sage Publications.
• Hart, C. (2018). Doing a Literature Review: Releasing the Research Imagination . Sage Publications.
• Machi, L. A., & McEvoy, B. T. (2016). The Literature Review: Six Steps to Success . Corwin Press.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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Based on the NCSU Libraries Literature Reviews Tutorial

Reproduced from Grant, M. J. and Booth, A. (2009), A typology of reviews: an analysis of 14 review types and associated methodologies. Health Information & Libraries Journal, 26: 91–108.  doi:10.1111/j.1471-1842.2009.00848.x

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• URL: https://mcphs.libguides.com/litreviews