Research Gap

Methodological gap: Addresses the conflict with the research methods in the prior studies and offers a new line of research that is different from those research methods

Theoretical gap: Deals with the gaps between theory and early research

Population gap: Relates the population that is not adequately represented or under-researched in the evidence base or prior research

Evidence gap: Deals with research findings contradiction

Empirical gap: Addresses conflicts that no study, to date, has directly attempted to evaluate a subject or topic from an empirical approach

Practical-knowledge gap: Arises when the actual behavior in practice is different from the expected behavior. In this case, research could seek to determine the scope of the conflict and to uncover the reasons for its existence

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