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A good exclusion record shows how potentially relevant studies moved from consideration to exclusion. Learn what reasons to record, when detailed documentation is needed, and how to keep those decisions consistent and auditable.
Read Guide →Two reviewers are often used to reduce errors and individual judgment in study selection, but the requirement depends on the review methodology and screening stage. Learn when independent duplicate screening is expected and what “two reviewers” actually means.
Read Guide →A PRISMA flow diagram is designed to show how records identified through a systematic search moved through screening, retrieval, eligibility assessment, and final inclusion. It is appropriate for systematic reviews and many structured evidence syntheses, but not automatically for every literature review.
Read Guide →In most structured reviews, determine whether a study is relevant and eligible before investing effort in detailed quality appraisal. Quality still matters, but its role depends on the review method and your predefined protocol.
Read Guide →A misleading title should not decide whether a study is included or excluded. Screen against your eligibility criteria using the abstract and, when necessary, the full text.
Read Guide →When an abstract and full paper appear to describe different studies, do not choose one version automatically. Verify that they are the same report, identify the discrepancy, and base eligibility on the most complete reliable information available.
Read Guide →A study does not necessarily need to answer every part of a broad review question to be useful. Inclusion depends on your predefined eligibility criteria and the role the study can legitimately play in the synthesis.
Read Guide →A study with the right population but a different outcome is not automatically irrelevant. Whether it belongs depends on whether outcomes are part of your eligibility criteria, which varies by review question and methodology.
Read Guide →A study does not become eligible simply because it measures exactly the outcome you need. Whether a different population can be included depends on how your population was defined and whether eligible participants can be identified separately.
Read Guide →Borderline studies should not be decided by instinct alone. Identify the exact source of uncertainty, apply predefined criteria consistently, document clarifications, and use adjudication when reasonable reviewers could disagree.
Read Guide →A temporary “maybe” category can help when eligibility cannot yet be determined, but it should represent unresolved information rather than become a permanent third eligibility category.
Read Guide →You rarely need to read every research paper from the first word to the last. Learn a practical multi-pass method for deciding what deserves attention, extracting the important evidence, and knowing when a paper requires a deeper read.
Read Guide →You rarely need to read every research paper from the first word to the last. The depth and order of your reading should depend on why you opened the paper and what you need to learn from it.
Read Guide →Not every paper you find deserves the same amount of attention. Screen its relevance first, then consider whether the evidence, methods, and role it may play in your research justify a deeper reading.
Read Guide →You do not need the same depth of understanding for every research paper you encounter. The more consequential the paper is to your argument, methodology, or interpretation, the more deeply you need to understand the parts on which you rely.
Read Guide →Good research notes are not miniature copies of the papers you read. Record what you will need later: the study's question, relevant evidence, limitations, your interpretation, and why the paper matters to your research.
Read Guide →Do not extract everything simply because it appears in the paper. Capture the study's question, context, design, sample or data, relevant measures or procedures, findings, limitations, and why the study matters to your research.
Read Guide →Remembering a paper is less important than being able to recover why it mattered. Leave a compact retrieval trail that records its contribution, relevance to your work, key evidence, limitations, connections, and what you intended to do with it.
Read Guide →A very long paper does not have to be read word by word to be understood well. Map the paper first, decide what you need from it, then read the sections carrying the evidence and methodological details relevant to your purpose.
Read Guide →Yes. An abstract can give a stronger, simpler, or more positive impression than the full results justify. Learn what gets lost in compression and how to check an abstract against the complete paper.
Read Guide →Yes. A conclusion can extend beyond the reported results by adding causal claims, mechanisms, broad generalizations, practical importance, or recommendations that the study did not adequately establish. Learn how to trace every major conclusion back to its evidential basis.
Read Guide →Forming a provisional interpretation before reading the authors’ conclusion can help you see the evidence without immediately inheriting their framing. The goal is not to ignore the authors, but to compare two interpretations against the same study.
Read Guide →Yes. Publication in a prestigious journal can be a useful signal about selectivity and scholarly attention, but it does not guarantee that an individual study is methodologically strong or that its conclusions are justified.
Read Guide →Every study has limitations, but not every limitation invalidates its findings. The key question is whether a methodological problem merely weakens or narrows an inference, or prevents the study from supporting its central claim at all.
Read Guide →A paper can change status after publication through a correction, expression of concern, or retraction. Before relying on an important study, check the publisher's current record and relevant scholarly databases rather than assuming the version you found reflects its present status.
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