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Read from the beginning, or choose the question closest to your situation. Each route leads into the full guide.
ROUTE 1 · CHAPTERS 1–4
Define the review’s purpose
Read the assignment, distinguish notes from synthesis and focus the search.
ROUTE 2 · CHAPTERS 5–8
Read and compare sources
Verify identity, extract comparable information and inspect fictional source cards.
ROUTE 3 · CHAPTERS 9–12
Build a synthesis
Compare methods, organise themes and explain a relationship.
ROUTE 4 · CHAPTERS 13–16
Evaluate and revise
Keep limitations, scope, attribution and references accountable.
ROUTE 5 · CHAPTERS 17–20
Check and continue
Use feedback, structural revision and a final evidence check.
A literature review becomes useful when it explains relationships among sources: what they investigate, how their approaches differ, where they agree and what the evidence leaves open. Begin with a focused question and a small set of works you have actually read. Then organise the discussion around the question, using the sources to build an accountable account of the topic.
When writing in another language, you may understand individual articles more easily than the language needed to connect them. Separate those tasks. First establish the relationship in plain terms: the studies use different definitions, examine different settings or support different kinds of claim. Then develop the academic wording that expresses that relationship accurately.
The University of North Carolina Writing Center’s literature-review guide explains summary and synthesis and describes variation across disciplines. Your course brief determines the required scope, format and method. This guide uses three original fictional source cards to demonstrate the reasoning. R1, R2 and R3 are teaching labels with no real bibliographic identities; they must not appear as invented research citations in an academic submission.
Your learning decisions at a glance
| Review question | What to inspect | Next action |
|---|---|---|
| What is the task? | Brief, scope and required method | Define the review question |
| What does each source contribute? | Identity, definition, approach and evidence | Make an accurate reading note |
| How do sources relate? | Comparable concepts and meaningful differences | Build a synthesis claim |
| How broad is the conclusion? | Search boundaries and selected evidence | Preserve scope and attribution |
Full chapter index
Define the review’s purpose
Read and compare sources
Build a synthesis
Evaluate and revise
Check and continue
CHAPTER 1 OF 20 · Define the review’s purpose
1. Read the review assignment as a specific task
Establish whether you are writing a standalone review, a section of a research paper or another kind of assignment. Identify the question, intended audience, length and any required search or selection method. A short course review and a formally defined systematic review carry different requirements. Follow the method the actual task specifies.
Ask which contribution the reader expects. The assignment may require a map of a debate, a comparison of approaches or a rationale for a later study. These purposes affect which sources belong and how the discussion should be organised. A general collection of interesting reading can be a useful start, but it needs a defined job before becoming a review.
Record uncertainties early and ask a focused question. For example: “Should the review compare definitions of participation, or evaluate evidence about its relationship with attainment?” Those are different questions. Clarifying the intended relationship can save substantial reading and rewriting, particularly when the assignment language contains a familiar topic term but leaves the expected analytical action less obvious.
CHAPTER 2 OF 20 · Define the review’s purpose
2. Distinguish a source note from a review paragraph
A source note describes one work’s question, approach, contribution and limits. A review paragraph usually uses several such notes to address a shared issue. The organising unit becomes a claim or relationship relevant to the review question. This shift is central to synthesis.
For instance, three notes may each describe how participation is defined. A paragraph can compare those definitions and explain why their differences affect the findings that can be compared. Simply placing the notes one after another leaves much of that reasoning for the reader to infer.
The annotated-bibliography guide helps build accurate individual entries. Retain that care while changing the discussion’s structure. An annotation can become raw material for a review, but it should be revised for its role in the new argument. A paragraph that still begins with a new author’s name every time may be organised by source sequence even when the assignment requires a thematic account of what the sources collectively establish.
CHAPTER 3 OF 20 · Define the review’s purpose
3. Narrow the question enough to judge relevance
Consider the working question: “How do selected studies define and investigate participation among university students who commute?” It directs attention to definitions and methods. A paper about travel infrastructure might supply context, while a study of classroom contribution might address the central concept more directly. Relevance follows from the question.
Write down inclusion boundaries appropriate to the assignment: population, setting, material type and period, where relevant. These boundaries should have a reason. An arbitrary date cutoff can exclude useful conceptual work without making the review more coherent. A course may prescribe particular boundaries; use those when supplied.
Allow the question to develop as reading reveals its shape, but record the change. If you shift from participation definitions to the effects of commuting, revisit the sources and claims. They may no longer support the same discussion. A focused review remains flexible while preserving an honest account of what it set out to examine and why the selected material belongs within that scope.
CHAPTER 4 OF 20 · Define the review’s purpose
4. Search through concepts and record the process
Break the question into concepts such as commuting students, participation and university learning. Develop alternatives using the terms found in relevant publications. A literal translation of one long question may miss a discipline’s preferred wording or a database’s subject terms.
Keep a practical search note: resource searched, terms, filters and date. Its detail should match the assignment’s method. This helps you retrace a useful search and explain how the collection was assembled. It also makes it easier to identify which part of the search needs broadening when results are sparse.
Consult an academic librarian when the resource or terminology is unfamiliar. The university reading guide offers a related bridge into academic texts in another language. Search fluency and reading fluency are connected but separate skills. You can improve a search by learning a term used in the literature, then return to verify how each author defines it rather than assuming that all sources using the term describe the same thing.
Check title, author, publication details, date and document type. A database record may lead to an abstract, a commentary, a preprint or a published article. Know which version and amount of content you have examined before describing the work’s method or findings.
If access is incomplete, record that limitation and seek legitimate access through the library where appropriate. A search snippet can help identify a candidate, but it rarely provides enough information for a critical account of the whole source. Avoid filling missing sections with details that would be plausible for the topic.
Keep the reference linked with the actual reading note and a useful locator. This prevents two similar titles or versions from being mixed later. The review’s synthesis depends on accurate components. An elegant comparison of methods is unreliable if one method belongs to a different paper from the one cited. Establishing identity early also saves time when you return to check a qualifier or a numerical result during revision.
CHAPTER 6 OF 20 · Read and compare sources
6. Extract comparable information without flattening differences
Use a reading matrix with fields such as question, definition of the key concept, population, setting, method, main contribution and relevant limitation. Add a locator for each important point. The matrix supports comparison, while the full source remains the authority for what a short note leaves out.
Choose fields that answer the review question. If definitions are central, record their wording and application carefully. If methods are central, inspect how the work obtains evidence. A generic template can be adapted; it should not force every source into an empirical-study format when some are theoretical or interpretive.
Keep missing information visible. A blank field can mean not reported, not applicable or not yet checked, and those meanings differ. Label them rather than treating all blanks as the same limitation. The matrix is a working representation that helps you ask better questions. It should preserve meaningful differences among sources instead of making them appear comparable merely because their notes occupy rows in the same table.
Add a column for the planned use of each note. One source may define a term, another supply a contextual account and another challenge an assumption. That proposed use is your drafting decision, so keep it distinct from what the author states. When the question changes, revisit the use column. A reliable reading note can remain accurate while its relevance to the new review becomes weaker, stronger or simply different.
CHAPTER 7 OF 20 · Read and compare sources
7. Introduce the three fictional source cards
R1 is an invented interview study involving eight commuting students at Campus A. Its imagined accounts describe participation through classroom contributions and online exchanges. R2 is an invented voluntary questionnaire involving 120 commuting students at Campus B. It records self-reported frequency of physical session attendance during the previous four weeks.
R3 is an invented conceptual paper proposing that participation should distinguish contribution, interaction and independent preparation. It contains no participant sample or measured outcome. The cards supply only these details. They contain no real authors, dates, journals or findings beyond their explicitly fictional descriptions.
Our review exercise asks how these cards define and investigate participation. It does not ask which campus has better students or whether commuting causes lower attainment. The supplied material cannot establish those claims. Keeping the question aligned with the cards gives us a concrete way to practise synthesis: one theme concerns definitions, another concerns evidence methods, and another concerns what can responsibly be compared across unlike material.
CHAPTER 8 OF 20 · Read and compare sources
8. Compare definitions before combining findings
R1 treats participation through accounts of contribution and online exchange. R2 uses a measure of reported physical attendance. R3 separates several dimensions conceptually. These approaches address related ideas but do not operationalise the same outcome. A review should explain that distinction before presenting them as a single body of interchangeable evidence.
Attendance can be relevant to participation without exhausting every possible meaning of the concept. The fictional R2 card can illuminate its specified measure; the card alone cannot establish that people who attend contribute, interact or prepare in a particular way. R3 raises a conceptual distinction without measuring how common any dimension is.
A useful synthesis sentence might say: “The selected cards locate participation at different levels, from attendance to contribution and preparation, which limits direct comparison of their accounts.” Then explain which card supports which part of that sentence. The reader should be able to inspect the relationship rather than encounter a broad claim that all the sources say the same thing simply because their topic words overlap.
CHAPTER 9 OF 20 · Build a synthesis
9. Compare methods through the questions they can answer
Interviews can supply accounts of participants’ experiences and interpretations under a particular design. A questionnaire can collect responses to specified questions across its respondents. A conceptual paper can propose distinctions that help frame an investigation. In our fictional cards, these approaches provide different kinds of contribution.
The sample count alone does not settle which card is most useful. R2’s 120 responses do not answer every question better than R1’s eight accounts, and R3’s absence of participants is appropriate to its stated conceptual purpose. Judge each source against the claim you want it to support.
Explain the consequence of a design feature. The voluntary response process in fictional R2 raises questions about who chose to respond; the single-campus setting limits the contexts described. R1’s accounts can inform a question about meanings without establishing a population frequency. This is more useful than attaching a stock phrase such as small sample to every source. Critical comparison should identify how the evidence connects with the review’s question.
Possible themes for the fictional review are definitions of participation, methods of investigating it and implications for comparison. Each theme addresses a relationship among the cards. A heading such as R1 followed by R2 and R3 would instead preserve a source-by-source structure unless a particular assignment called for that arrangement.
Test a theme by asking what claim the section can make. “Definitions vary in what they count” gives the reader a relationship to follow. A heading such as Other interesting things does not explain why its contents belong together. Themes should help answer the question rather than merely divide a long document into manageable chunks.
Keep overlap purposeful. R3 may belong in the definition section and later help explain a limitation of the empirical measures. Each appearance should do a distinct job. Repeating the same summary in several sections can lengthen the review without advancing the account. A brief outline with a claim for each section makes this easier to inspect before writing polished paragraphs.
CHAPTER 11 OF 20 · Build a synthesis
11. Build one synthesis paragraph from the cards
Here is an original practice paragraph: “The fictional cards define participation through different activities. R1’s interviews describe contribution and online exchange, while R2 records reported physical attendance. R3’s conceptual distinction among contribution, interaction and preparation helps explain why those measures should not be combined as though they represented one identical outcome. The comparison therefore supports a review organised around definitions and methods. It leaves open how the different dimensions relate in a common setting, because the cards provide neither a shared measure nor a comparable design.”
The paragraph begins with a relationship, uses each card for a defined role and ends with a bounded implication. It does not invent a quantitative result or rank the campuses. The labels are classroom devices and should be replaced by accurate references only when writing about real works you have read.
Try changing the review question. If the assignment asks whether a particular intervention improves learning, this paragraph and these cards would be insufficient. A good synthesis remains accountable to both its sources and its question; fluent connections alone cannot make unrelated evidence answer a different task.
Test the paragraph by temporarily removing a source label. Can the reader still identify the central comparison? Then restore the label and check whether its contribution is clearly attributed. This exercise inspects two separate functions: the paragraph’s organising relationship and the traceability of its components. Both need to survive revision. A readable theme with missing attribution is incomplete, while a list of accurate attributions without a developed relationship leaves the synthesis unfinished.
CHAPTER 12 OF 20 · Build a synthesis
12. Distinguish disagreement from different questions
Suppose one real source foregrounds attendance while another examines online contribution. Their findings may differ because they concern different activities, populations or settings. Before announcing a contradiction, inspect those conditions. A review should make the comparison’s basis visible.
Genuine disagreement can also occur. Authors may interpret similar evidence differently or advance competing definitions. State the disagreement precisely, attribute each position and examine the reasons offered. Avoid turning every variation in emphasis into a dramatic debate or smoothing an actual conflict into artificial agreement.
The fictional cards illustrate a limited case: their definitions differ, but they do not supply opposed numerical claims about a common outcome. The university seminar guide develops related habits for asking what a speaker’s claim concerns before responding. In a literature review, that care helps you build a discussion that readers can assess without guessing whether two sources are actually addressing the same relationship.
CHAPTER 13 OF 20 · Evaluate and revise
13. Evaluate limitations through their consequences
A limitation matters when it affects how a contribution can be used. The fictional interview card can illuminate its participants’ accounts but does not establish the frequency of those experiences among all commuting students. The questionnaire describes its respondents under the stated measure, while voluntary participation affects how broadly the responses can be interpreted.
Avoid a checklist that automatically condemns every study for lacking every possible design feature. A conceptual paper does not become defective simply because it has no survey. Ask what the work aims to do, which evidence it uses and whether its claims fit that purpose.
Explain both the contribution and its boundary. A review that dismisses every source leaves the reader with little understanding of what the literature can establish. A review that praises every source hides important distinctions. Your judgement becomes useful when the reader can see the inspectable feature and the consequence for this particular question. Keep that reasoning close to the relevant source rather than collecting vague caveats in an isolated final paragraph.
CHAPTER 14 OF 20 · Evaluate and revise
14. Describe a gap at the scale of your search
The three fictional cards leave open how attendance, contribution and preparation relate under a shared design. That is a gap in this supplied teaching set. It is not evidence that no researcher anywhere has investigated the relationship. The scope of the claim must match the material actually examined.
For a real review, explain the boundaries of the search and selection where the assignment requires them. A statement such as “within the selected sources” can be more accurate than “the literature has never considered.” Broader novelty claims require a sufficiently thorough investigation and appropriate disciplinary judgement.
Distinguish a missing detail from a worthwhile next research question. An omitted campus colour scheme is unlikely to matter to our participation question; an undefined outcome could matter greatly. The review should explain why the proposed gap affects understanding. A useful conclusion can identify a precise uncertainty without promising that the next small project will solve the whole field or using a dramatic absence claim to make the work appear more original.
CHAPTER 15 OF 20 · Evaluate and revise
15. Preserve attribution and qualifiers across languages
Reporting verbs carry different strengths. Describes, argues, proposes, reports and demonstrates should reflect what the source actually does. When translating, preserve population, conditions and uncertainty. A sentence about the selected respondents should not become a statement about all students simply because the broader wording sounds smoother.
Separate a source’s conclusion from your synthesis. You may infer that differences in definition limit comparison, while one author may never state that point directly. Make clear which material supports your inference and how you reached it. Attribution helps the reader distinguish the components from the relationship you are constructing among them.
Use language support within the course’s current permissions and the rights attached to the material. You remain responsible for checking the final claim against the source. The abstract-writing guide in another language develops related work on preserving claim strength during compression. A literature review needs the same care across a longer sequence of sources and comparisons.
CHAPTER 16 OF 20 · Evaluate and revise
16. Keep references connected with actual reading
Verify bibliographic details against the work and the required citation style. Imported records can contain mistakes or describe a different version. A formatted reference makes a source retrievable only when its underlying identity is correct. Check quotations and locators while the text is available, rather than reconstructing them from memory later.
For an unfamiliar language, retain notes that distinguish exact wording, paraphrase and your own interpretation. This reduces the risk of treating copied phrasing as your original sentence. Paraphrase from understanding, then return to check accuracy and preserve attribution.
Keep the fictional source cards out of any real reference list. Their purpose is to practise a relationship that can later be applied to genuine material. Inventing authors or publication details would not turn them into research. A review’s credibility depends on the traceability of its actual sources and the fairness of its account, not on the number of references or the apparent sophistication of the citation format.
Give a reader one section and ask what relationship they understand among its sources. Can they identify the organising claim, the contribution of each source and the implication? If they only remember three separate summaries, the paragraph may need a clearer connection or a different structure.
Ask for a located example when feedback is broad. “Where did the comparison become unclear?” invites a revision you can inspect. If a reader says the review needs more criticism, ask whether the issue concerns source quality, claim scope or the consequence of a methodological difference. Each requires different work.
The university peer-feedback guide provides a complete process for reasoned comments and revisions. Keep collaboration within the assignment’s rules. A peer helps reveal how the draft reads; the writer remains responsible for the accuracy of source representations and the final decisions. Use the response to improve the review’s relationships, then verify that the changed wording still matches the underlying material.
CHAPTER 18 OF 20 · Check and continue
18. Revise the structure before polishing every sentence
Write a one-line account of what each paragraph does. Does it define a concept, compare methods, explain a disagreement or identify an uncertainty? If several consecutive paragraphs merely introduce another source, consider whether the section’s organising principle has drifted away from the review question.
Move and combine material where that makes the relationship clearer, preserving attribution and context. After restructuring, check pronouns, transitions and citations. A sentence beginning this finding may lose its referent when its preceding paragraph moves. Structural revision needs a fresh reading of the connections it changes.
Polish language after the main reasoning is visible. A grammatically elegant paragraph can still answer the wrong question or combine incomparable outcomes. The office-hours guide can help prepare a focused discussion with a lecturer: bring the question, a short section and the exact structural decision you are considering. This makes the conversation about an inspectable problem rather than a general request to approve the whole review.
Use the table below to inspect what each card contributes. Then revise this claim: “The three studies prove that commuting reduces participation.” The supplied set contains two invented empirical descriptions and one invented conceptual paper, with different definitions and no common causal design. The statement exceeds that material.
A more faithful synthesis says that the cards define participation differently and use different approaches to investigate or frame it. Explain how those differences affect comparison. A second practice claim, “R2 is strongest because it has 120 respondents,” also needs revision: usefulness depends on the question, measure and design as well as count.
Finish by writing a short conclusion limited to the supplied set. Identify one relationship the cards make clearer and one question they leave open. Keep fictional status explicit. If you can perform that task with unfamiliar practice material, you are demonstrating a synthesis method that can transfer to your actual reading, where each contribution must be verified and referenced accurately.
Try one final scope revision: “The selected cards use different definitions of participation, so this exercise cannot pool their outcomes as one measure.” This statement identifies a consequence within the supplied set. It does not establish that pooling is impossible for all future studies. A later project could define a common outcome and collect appropriate comparable evidence. The review’s job is to explain the current boundary clearly enough that the next methodological decision becomes understandable.
| Card | Supplied contribution | Comparison limit |
|---|---|---|
| R1: eight interviews at Campus A | Accounts of contribution and online exchange | No population frequency is supplied |
| R2: 120 voluntary responses at Campus B | Self-reported physical attendance over four weeks | A different measure and response process |
| R3: conceptual paper | Contribution, interaction and preparation distinguished | No participant findings are supplied |
| Synthesis of the set | Definitions and methods differ | Outcomes cannot simply be pooled as one measure |
| A gap within these cards | Relationships among dimensions remain open | No claim about every publication in the field |
CHAPTER 20 OF 20 · Check and continue
20. Complete a review that matches its question and evidence
Read the final draft against the assignment and current source set. Check whether the introduction defines the task, the sections develop meaningful relationships and the conclusion answers the question at the scale the material supports. Confirm that any search description matches what you actually did.
Inspect each strong claim. Does the cited material support its population, outcome and level of certainty? Are apparent agreements based on comparable definitions? Have you distinguished your synthesis from the sources’ individual conclusions? Then check the required reference style, length and presentation under the course brief.
Writing a literature review in another language becomes more manageable when you build it from visible relationships. Accurate notes supply the components; a focused question selects their relevance; comparison and evaluation explain what they collectively establish. The finished review should help a reader understand a conversation in the literature and judge its boundaries, with enough clarity to see where the next useful question comes from.
Sources and scope
The UNC Writing Center resource supports the general distinction between summary and synthesis. R1, R2 and R3, their settings and participant counts are original fictional teaching material with no bibliographic identity. This guide supplies no real research conclusion about commuting students. Follow the current course’s requirements for search method, collaboration, references and submission.
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