How to Write a Literature Review: A Step-by-Step Guide for Theses and Papers

Most literature review chapters that come back from a committee with heavy comments share the same problem: they summarize sources one by one instead of building an argument. This guide shows how to write a literature review that does the opposite. You will choose the right review type, search and screen with a documented method, turn your notes into a synthesis matrix, and organize a thesis literature review chapter that leads straight to your research question. The same method works for the review section of a journal article.

Every step below comes with a worked example or a template you can copy: a review-type chooser, a filled synthesis matrix, a chapter outline with section-by-section purposes, and a table of the criticisms committees and peer reviewers write most often, with the fix for each.

What a Literature Review Is (and What It Is Not)

A literature review is a structured, critical account of published research on a defined question. Snyder describes it as a research method in its own right, with choices about design, search, analysis and reporting that should be made deliberately rather than by habit^[1]. In a thesis it usually forms a full chapter; in a journal article it is compressed into the introduction and the opening of the discussion; as a standalone paper it becomes a review article.

Before you write a literature review, it helps to be clear about what one is not:

• Not an annotated bibliography. A bibliography describes each source separately. A review compares sources and draws conclusions across them.
• Not a history lesson. Chronology is one way to organize a review, but the reader needs to know why the sequence matters for your question.
• Not a collection of quotations. Your own synthesis should carry each paragraph; sources are the evidence for it.
• Not neutral filler before the methods. In a thesis, the review is the argument for why your study is needed and why it is designed the way it is.

Boote and Beile, assessing doctoral dissertations, judged literature reviews on coverage, synthesis, methodology, significance and rhetoric^[2]. Those five headings make a useful self-check before you send a draft to your supervisor: did you find the right work, connect it, judge how it was done, explain why it matters, and write it clearly?

Before You Write: Choose the Right Literature Review Type

The type of review sets everything that follows: how wide you search, whether you appraise quality formally, and which reporting guidance you cite. Grant and Booth identified 14 distinct review types, many of which are labelled inconsistently in published work^[3]. For most theses and papers the choice comes down to five. Use the chooser below, then the table, to decide.

Table 1. Five review types compared. Most thesis literature review chapters are narrative or integrative; a systematic or scoping review is a separate project with its own protocol.

If you are unsure whether your project is a systematic or a scoping review, Munn and colleagues give a simple test: a systematic review answers a precise question about effectiveness, accuracy or experience, while a scoping review identifies the types of evidence available, clarifies concepts, and maps knowledge gaps^[9]. For a full method, see our step-by-step scoping review guide, our comparison of systematic review vs meta-analysis, and the short explainer on narrative vs systematic literature searches.

How to Write a Literature Review in 8 Steps

The steps below show how to write a literature review of the narrative or integrative kind, which covers most thesis chapters and paper introductions. Where a systematic approach changes a step, it is noted.

Step 1: Turn your topic into a review question

The first move when you write a literature review is narrowing the topic. A topic (“doctoral writing”) is too wide to search. A review question names the population, the concept and the context, for example: “How does supervisor feedback influence the writing progress of doctoral students in the social sciences?” Pautasso’s first rule is to define the topic and the audience before reading widely^[10]. Write the question at the top of your search log; every later decision to include or exclude a source should trace back to it. If your thesis statement is still moving, settle it first with our guide on how to write a thesis statement, because the review must support that claim.

Step 2: Plan and document the search

Break the question into two or three concept blocks, list synonyms for each, and combine them with Boolean operators: synonyms inside a block with OR, blocks with AND. A worked string for the question above:

("doctoral student*" OR "PhD student*" OR "graduate research student*")
AND (supervis* OR advisor*) AND (feedback OR "written comment*")
AND (writing OR "thesis writing" OR "dissertation writing")

Run it in at least two journal-accepted databases relevant to your discipline (for example Scopus and Web of Science, plus PubMed, ERIC, PsycINFO, IEEE Xplore or ScienceDirect as appropriate), then use Google Scholar and reference lists for citation chasing. Keep a search log with the date, database, exact string, filters and number of hits. Committees increasingly ask how sources were found, and a log answers that in one table. For advanced field codes, proximity operators and database-specific syntax, read Search Like a Librarian.

Step 3: Screen and select with explicit criteria

Write inclusion and exclusion criteria before screening: years covered, languages, study designs, populations and settings. Screen titles and abstracts first, then full texts, and record the reason for each full-text exclusion. In a systematic review this step is done by two reviewers and reported in a flow diagram; our guide to PRISMA flow chart steps shows how to draw one. In a narrative thesis chapter a short paragraph describing the criteria is usually enough, but the discipline of writing them down prevents the review from drifting.

Step 4: Read actively and extract into a matrix

Most people who struggle to write a literature review took notes source by source in separate documents. Instead, open a synthesis matrix (a spreadsheet with one row per source and one column per theme or variable) and fill it as you read. The worked example in the next section shows what this looks like and how it turns into paragraphs.

Step 5: Appraise the quality of the evidence

Every review should comment on how trustworthy its sources are, even when no formal tool is required. Match the appraisal approach to the study design:

• Randomized trials: Cochrane RoB 2.
• Non-randomized intervention studies: ROBINS-I.
• Cohort and case-control studies: Newcastle-Ottawa Scale or JBI checklists.
• Qualitative studies: CASP qualitative checklist or JBI checklist.
• Mixed-methods studies: MMAT.
• Existing systematic reviews: AMSTAR 2.

In a narrative review you rarely need a scored tool, but you should add a matrix column for “design limitations” and use it when you write: “three of the five studies relied on self-report” is a finding about the evidence, not just about the topic.

Step 6: Synthesize by theme, not by author

Synthesis means stating what a group of studies shows together, where they disagree, and why. Torraco frames this as the point where a review generates new knowledge rather than repeating old knowledge^[5]. Read down each column of your matrix and ask three questions: what do most sources agree on, which sources disagree, and does the disagreement line up with method, population or context? Those answers become your theme statements. For a longer treatment of synthesis techniques, see The Art of the Literature Review: Synthesizing Research.

Step 7: Outline the literature review structure

Choose an organizing logic (thematic, chronological, methodological or theoretical; see the structure section below), write one sentence per planned section stating its conclusion, and check that the sequence of sentences leads to your research question. If it does not, change the outline before you write.

Step 8: Draft, then revise for argument

Draft each section from its theme statement and the matrix rows that support it. Revise in two passes. First, the argument pass: does every paragraph open with a claim, and does every section close with what it means for your study? Second, the language pass: tense, citation style (APA, MLA, Harvard, Vancouver, AMA, Chicago or your university’s own guide), and consistent terminology. Ask your supervisor for feedback on the outline before the full draft; Pautasso lists feedback as one of the ten rules for a reason^[10]. If you want an outside read of a full draft, Editverse’s dissertation help service pairs your chapter with a subject-matter expert in your field.

Build a Synthesis Matrix: A Worked Example

The matrix is the single most useful tool when you write a literature review. The example below uses the review question from Step 1. The five rows are illustrative entries created to show the method (they are not real studies), but the column design is the one we recommend for any thesis literature review.

Table 2. Illustrative synthesis matrix. Read it by column, not by row: each column becomes a theme section, and the last column feeds the gap statement.

What the matrix shows when read by column:

• Theme A (timing): the evidence conflicts. A, B and E suggest faster feedback helps; C finds no effect once meeting frequency is controlled. E hints at the explanation: speed matters only when comments are specific.
• Theme B (type): only three sources measure it, and D shows supervisors mostly comment on language, not argument. That is a mismatch worth pointing out.
• Theme C (self-efficacy): four sources agree it matters, and E suggests it is a mechanism, not just an outcome.
• Gap: no study follows social-science students for longer than a semester while measuring feedback type, timing and self-efficacy together. That is a defensible gap statement because the matrix shows it, rather than the writer asserting it.

From matrix to paragraph. Compare two ways of writing Theme A:

The strong version uses the same sources but makes a claim, explains disagreement through study design, and ends by pointing to the gap. That pattern (claim, evidence, explanation, implication) is the core skill in learning how to write a literature review.

Literature Review Structure: Four Ways to Organize What You Write

Table 3. Common literature review structures. Many chapters combine them, for example thematic sections with a short chronological opening.

Whichever logic you choose, use the same anatomy inside each section: an opening claim, grouped evidence, an explanation of disagreement, and a closing sentence linking back to your research question. Baumeister and Leary note that a narrative review can reach a conclusion an individual study cannot, such as showing that a hypothesis holds across varied methods^[4]; the section anatomy is what lets you make that kind of claim visibly.

Thesis Literature Review Chapter: A Template You Can Adapt

University guides differ, so check your department’s handbook first. The template below is the outline Editverse’s subject-matter experts start from when helping students restructure a thesis literature review chapter. Use it whenever you write a literature review chapter for a master’s or doctoral thesis; the word shares are planning targets, not rules.

Table 4. Thesis literature review chapter template.

Two habits make this template work. First, write section 6 early as a draft gap statement and revise it at the end; it keeps sections 3 to 5 pointed in the right direction. Second, make the research questions in section 6 match the wording in your introduction chapter exactly, because examiners compare them. If your committee has already returned comments on this chapter, our dissertation help team can map each comment to a revision.

How to Write a Literature Review for a Journal Article

When you write a literature review for an empirical paper, it is compressed into the introduction: usually a few paragraphs that move from the broad problem, through what is known, to the specific gap and your aim. The same synthesis rules apply, but you cite selectively, favour recent and high-quality work, and drop the framework and method-critique sections unless the journal asks for them. A standalone review article, by contrast, needs a stated method; a systematic review must follow PRISMA 2020 and its 27-item checklist^[6], and a scoping review should follow PRISMA-ScR, which has 20 essential and 2 optional items^[8].

What Committees and Reviewers Criticize Most

If you write a literature review for a committee or a journal, the comments below are the ones you are most likely to receive. In the chapters our subject-matter experts edit, the first one is by far the most frequent, and fixing it usually resolves two or three of the others.

Table 5. Common committee and peer-reviewer criticisms of literature reviews, with fixes.

Baumeister and Leary list similar failure points for narrative reviews, including an inadequate introduction, uneven coverage and a lack of critical evaluation^[4]. Whenever you write a literature review for assessment or peer review, running Table 5 as a checklist before submission is the fastest way to remove the comments you can predict.

Tools for Managing a Literature Review

A few tools make it easier to write a literature review without losing track of sources or search decisions:

• Reference managers: Zotero (free), Mendeley or EndNote store PDFs, notes and citations, and format references in any style.
• Screening tools: Rayyan or Covidence help when you screen hundreds of records, especially with a second reviewer.
• Matrix: a spreadsheet is enough. Add filters by theme and design so you can pull every row for one section in seconds.
• Search log: a separate sheet with date, database, string, filters and hits.

Professional Literature Review and Dissertation Support

If your literature review chapter needs more than a self-check, Editverse’s subject-matter experts work on the same method described in this guide: a documented search, a synthesis matrix, a gap analysis grounded in the evidence, and editing that keeps your argument and voice intact. Work is aligned with COPE, ICMJE and GPP3, with institutional and country-specific ethics followed, and formatted to APA, MLA, Harvard, Vancouver, AMA, Chicago or your university’s own guide.

For full-dissertation editing, committee responses or defense preparation, see the complete range on the Editverse dissertation help page.

Conclusion

Knowing how to write a literature review comes down to a few decisions made in the right order. Choose the review type before searching. Document the search so it can be defended. Extract into a matrix, read it by column, and write each section as a claim supported by grouped evidence. End every section, and the chapter, with what the evidence means for your own study. Do that, and the gap statement stops being an assertion and becomes the conclusion the reader has already reached. That is how to write a literature review that a committee reads as an argument rather than a list.

Frequently Asked Questions

How long should a literature review be?

It depends on the format. In a journal article the review usually sits in an introduction of a few paragraphs. In a thesis it is typically a full chapter, and the expected length varies by discipline and degree, so check your department handbook and recent theses from your program.

How many sources should a literature review include?

There is no fixed number when you write a literature review for a thesis or paper. Aim for coverage: the foundational studies, the most relevant recent work, and enough sources that new searches stop turning up new ideas. A documented search makes it easy to show that coverage is adequate.

What is the difference between a literature review and an annotated bibliography?

An annotated bibliography summarizes each source separately. A literature review compares sources, explains why they agree or disagree, and builds an argument toward a research question.

What tense should I use in a literature review?

Use the present tense for established knowledge and for what a source argues (“Snyder describes”), and the past tense for what a specific study did or found (“Study C found no effect”). Stay consistent within each paragraph.

How do I find the research gap?

Read your synthesis matrix by column. Gaps show up as populations, settings, designs or variable combinations that no study covers, or as conflicting findings no study has resolved. State the gap as a pattern in the evidence, not as “little research exists”.

How long does it take to write a literature review?

For a thesis chapter, plan for several months of searching, reading and drafting alongside your other work, with the matrix filled continuously. The writing itself goes faster once themes and the gap statement are settled in the matrix.

Should I write the literature review first or last?

Draft it early, because it shapes your questions and methods, and revise it last, so it reflects the final framing of your study and any recent publications.

References

1. Snyder H. Literature review as a research methodology: an overview and guidelines. J Bus Res. 2019;104:333-339. https://doi.org/10.1016/j.jbusres.2019.07.039
2. Boote DN, Beile P. Scholars before researchers: on the centrality of the dissertation literature review in research preparation. Educ Res. 2005;34(6):3-15. https://doi.org/10.3102/0013189X034006003
3. Grant MJ, Booth A. A typology of reviews: an analysis of 14 review types and associated methodologies. Health Info Libr J. 2009;26(2):91-108. https://doi.org/10.1111/j.1471-1842.2009.00848.x
4. Baumeister RF, Leary MR. Writing narrative literature reviews. Rev Gen Psychol. 1997;1(3):311-320. https://doi.org/10.1037/1089-2680.1.3.311
5. Torraco RJ. Writing integrative literature reviews: guidelines and examples. Hum Resour Dev Rev. 2005;4(3):356-367. https://doi.org/10.1177/1534484305278283
6. Page MJ, McKenzie JE, Bossuyt PM, et al. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ. 2021;372:n71. https://doi.org/10.1136/bmj.n71
7. Arksey H, O’Malley L. Scoping studies: towards a methodological framework. Int J Soc Res Methodol. 2005;8(1):19-32. https://doi.org/10.1080/1364557032000119616
8. Tricco AC, Lillie E, Zarin W, et al. PRISMA extension for scoping reviews (PRISMA-ScR): checklist and explanation. Ann Intern Med. 2018;169(7):467-473. https://doi.org/10.7326/M18-0850
9. Munn Z, Peters MDJ, Stern C, Tufanaru C, McArthur A, Aromataris E. Systematic review or scoping review? Guidance for authors when choosing between a systematic or scoping review approach. BMC Med Res Methodol. 2018;18:143. https://doi.org/10.1186/s12874-018-0611-x
10. Pautasso M. Ten simple rules for writing a literature review. PLoS Comput Biol. 2013;9(7):e1003149. https://doi.org/10.1371/journal.pcbi.1003149