Common Mistakes in Narrative Review Writing
The most common narrative review mistakes are a vague scope, no description of how sources were found, selective citation, a study-by-study list instead of synthesis, outdated or low-quality sources, and conclusions that go beyond the evidence. Each is preventable.
Mistakes and fixes
| Mistake | Why it matters | Fix |
|---|---|---|
| Vague aim | No clear boundaries | State a focused aim and scope |
| No methods | Readers cannot judge selection bias | Add a brief search and selection statement |
| Cherry-picking | Biased conclusions | Search for opposing evidence |
| Listing studies | No insight | Synthesise by theme |
| Old sources | Misleading | Prioritise recent reviews and key updates |
| No appraisal | All studies treated equally | Comment on quality and limitations |
| Overclaiming | Misleads clinicians | Match conclusions to evidence strength |
| Weak structure | Hard to follow | Use headings and signposting |
| Copying text | Plagiarism | Paraphrase and cite correctly |
| AI-generated references | Fabricated citations | Verify every reference yourself |
Illustrative example
Invented for teaching. A draft review concludes that a supplement "improves outcomes". The cited studies are all small and positive, and the draft omits two null trials. After adding the null trials and adjusting the conclusion to "evidence is inconsistent and low certainty", the review becomes more credible.
A quick self-edit
Before submission, read your review and underline every sentence that begins with an author name; rewrite at least half so that the idea, not the author, leads. Highlight every claim with no citation, and every citation you have not opened. Check that the abstract, conclusion and limitations agree with each other. Ask a colleague outside your topic to say, in one sentence, what the review concludes; if they cannot, the synthesis needs work.
Common pitfalls
- Writing the conclusion first and then collecting evidence.
- Ignoring the reporting expectations of the target journal.
Key takeaways
- Be transparent, balanced and cautious.
- Verify every reference you cite.
References and further reading
- Baethge C, Goldbeck-Wood S, Mertens S. SANRA: a scale for the quality assessment of narrative review articles. Res Integr Peer Rev. 2019;4:5. doi:10.1186/s41073-019-0064-8
- EQUATOR Network: Enhancing the QUAlity and Transparency Of health Research (reporting guideline library). Link
Related reading
This page is general educational information about research methods. It is not medical, legal or regulatory advice; follow your institution's ethics board and your target journal's instructions.