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A research gap is not simply a topic you cannot find papers about. Learn how to identify what existing evidence genuinely cannot answer and describe that limitation without making an indefensible novelty claim.
Read Guide →Not every worthwhile study needs to claim that something has never been studied before. What every study does need is a defensible reason for being conducted and a clear explanation of how it contributes to knowledge, evidence, or practice.
Read Guide →A genuine research gap is a consequential limitation in existing knowledge or evidence, not simply a topic you could not find in a database search. Learn how to test whether an apparent gap is real, supported, and worth investigating.
Read Guide →“No one has studied this before” can point to missing evidence, but absence alone does not make a strong research gap. A defensible gap explains what remains unresolved, why it matters, and how the proposed research would improve knowledge or evidence.
Read Guide →A topic being unstudied in one country does not automatically create a meaningful research gap. The stronger question is whether country-level differences make existing evidence insufficiently applicable to the new context.
Read Guide →Studying a population that previous researchers have not examined can address a genuine gap, but difference alone is not enough. The key is whether the population difference creates important uncertainty about what existing evidence can tell you.
Read Guide →Conflicting findings can create a genuine research gap, but disagreement between studies is not automatically enough. The key is whether the inconsistency leaves an important conclusion unresolved and whether new research can help explain or reduce it.
Read Guide →Evidence does not become inadequate simply because it is old. An outdated body of evidence creates a meaningful research gap when important changes or new information make existing findings insufficient for a current question or decision.
Read Guide →A missing comparison can create a genuine research gap when researchers have evidence about individual options but cannot adequately determine how the alternatives compare on an important question. The key is whether the missing comparison affects a consequential conclusion or decision.
Read Guide →A theory being untested in a particular country, population, industry, or setting does not automatically create a meaningful research gap. The stronger question is whether the new context provides a consequential test of the theory, its assumptions, predictions, mechanisms, or boundary conditions.
Read Guide →Replication can address an important research gap even when a question has already been studied. Its value lies in reducing uncertainty about whether a finding is reliable, robust, or applicable beyond the conditions of the original study.
Read Guide →A topic may have been studied extensively while an outcome that matters remains poorly understood. Learn when a missing outcome constitutes a genuine research gap and when it does not.
Read Guide →A question may have been studied repeatedly but only at particular time points. Learn when missing follow-up evidence creates a genuine research gap and how to justify studying it.
Read Guide →A broad population may be well studied while an important subgroup remains poorly represented or understood. Learn when that absence creates a defensible research gap.
Read Guide →A phenomenon may be well studied in one type of setting but poorly understood elsewhere. Learn when a missing setting creates a genuine research gap rather than merely a change of location.
Read Guide →Research may establish that an effect or relationship exists without adequately explaining how it occurs. Learn when a missing mechanism becomes a genuine research gap.
Read Guide →A topic can have dozens of studies and still rest on weak measurement. Learn when problems with how a construct is measured create a genuine research gap.
Read Guide →A topic may have hundreds of studies yet still lack convincing evidence because the same design limitations recur. Learn when poor study design creates a genuine methodological gap.
Read Guide →An influential finding may have been published without being independently tested again. Learn when lack of replication becomes a genuine research gap and when another replication adds little.
Read Guide →A model can perform well where it was developed and still remain uncertain elsewhere. Learn when lack of external validation creates a genuine research gap and what external testing should establish.
Read Guide →A literature may provide convincing short-term evidence while leaving longer-term consequences uncertain. Learn when lack of long-term evidence becomes a genuine research gap.
Read Guide →An intervention may perform well under research conditions while its performance in routine use remains uncertain. Learn when lack of real-world evidence creates a genuine research gap.
Read Guide →Finding few studies does not necessarily mean you have found a research gap. Before building a study around apparent absence, test whether your search strategy could be hiding relevant research.
Read Guide →The fact that nobody has studied two variables together may establish novelty, but novelty alone does not establish a meaningful research gap. The combination matters when studying it could resolve a consequential uncertainty or change what we understand.
Read Guide →Being the first to use a particular method on a topic may make a study methodologically novel, but novelty alone is not a research gap. The method matters when it can address an important limitation in what existing approaches allow researchers to know.
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