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A literature review can contain many studies while still drawing heavily from one country, institution, dataset, or research group. The key question is whether that concentration limits what the evidence can reasonably support.
Read Guide →Highly cited studies are easier to encounter, remember, and encounter again through reference lists. That visibility can be useful for discovery, but citation frequency should not determine which evidence receives the greatest weight.
Read Guide →Recent studies are often easier to discover and may seem more relevant, but newer does not automatically mean better. Your search period should follow the research question, not convenience or an arbitrary preference for recent publications.
Read Guide →Peer review tells you something about how a paper reached publication, not how much confidence you should place in every finding. Published studies still need to be critically appraised.
Read Guide →A literature synthesis should let readers trace its major conclusions back to the studies and findings that support them. Learn how to audit that connection without reducing synthesis to a string of citations.
Read Guide →Studies do not necessarily deserve equal influence simply because they appear in the same literature review. Learn how to justify the relative weight different studies receive in your synthesis.
Read Guide →Your expected contribution should become more precise as you understand the literature. Learn how to move from “this has not been studied” to a defensible account of what your study could actually add.
Read Guide →The outcomes researchers usually measure are not automatically the outcomes your study should measure. Learn how the literature can reveal missing outcomes, weak proxies, inconsistent measures, and better ways to capture what actually matters.
Read Guide →You do not need to read everything ever published before beginning a study. You do need enough relevant and trustworthy evidence to justify the question and make the major design decisions responsibly.
Read Guide →A good literature search does more than retrieve convenient papers. Learn how to recognize and deliberately look for the studies your understanding of the field would materially suffer without.
Read Guide →No single research database necessarily represents the whole literature relevant to your question. Learn how to choose complementary databases based on disciplinary coverage, geography, study type, and search purpose.
Read Guide →Researchers may study the same concept without calling it the same thing. Learn how to build a literature search that accounts for synonyms, changing terminology, disciplinary language, and database indexing.
Read Guide →The newest important research may not yet be highly cited, incorporated into reviews, or prominent in search rankings. Learn how to identify recent evidence without confusing novelty with importance.
Read Guide →Published journal articles may represent only part of the available evidence. Learn when grey and unpublished literature can materially improve your review and how to use it without lowering your standards of appraisal.
Read Guide →Publication is not the final state of a research paper. Learn how to check whether important studies have since been corrected, flagged, or retracted and how to respond without treating every update as equivalent.
Read Guide →Ten papers do not necessarily represent ten independent studies. Learn how to identify multiple reports from the same underlying research and avoid overstating the amount of independent evidence.
Read Guide →Publication and peer review do not eliminate methodological weaknesses. Learn how to evaluate what a study actually did, how much bias its design permits, and how much evidential weight its findings deserve.
Read Guide →Not every study deserves equal evidential weight. Learn how to identify which evidence most strongly supports a particular conclusion without reducing research quality to journal prestige, citation counts, or a simplistic hierarchy.
Read Guide →Cherry-picking is not limited to deliberately hiding studies you dislike. Learn how selective searching, inclusion, appraisal, outcome choice, citation, and wording can quietly make a literature review support the conclusion you expected to find.
Read Guide →A claim can be repeated across dozens of papers while still resting on one misunderstood or surprisingly weak source. Learn how to follow important citations back to the evidence that actually generated the claim.
Read Guide →A literature review is not a parade of studies. Learn how to explain what the evidence collectively establishes, where it converges, why findings differ, how confident the conclusions are, and what remains unresolved.
Read Guide →A literature review should not give every study one equal vote. Learn how to explain why some evidence deserves greater influence on your conclusions based on what it can credibly establish.
Read Guide →Research does not become philosophy-free simply because a study never names a research philosophy. Assumptions about reality, knowledge, evidence, values, and inquiry may remain implicit, and how explicitly they need to be discussed depends on the research tradition and context.
Read Guide →A research worldview is a broad set of beliefs or assumptions that helps orient how a researcher understands inquiry and develops knowledge. The term overlaps with research paradigm and research philosophy, but these labels are not used consistently across methodological traditions.
Read Guide →Axiology in research concerns values and their relationship to inquiry. It helps researchers examine how values may influence what is studied, how research is conducted, how evidence is interpreted, and what purposes research serves.
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