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Replication may be more useful than starting something new when an important claim remains uncertain and another independent test could materially improve what researchers know. The strongest replication targets combine meaningful consequences with unresolved evidence.
Read Guide →One successful replication does not permanently settle a scientific claim. Another replication can still be valuable when important uncertainty remains, although its value depends on what new evidence the additional study can provide.
Read Guide →A famous finding can be worth replicating, but fame is not a sufficient reason to choose it. A stronger replication target is usually a claim for which reducing uncertainty would meaningfully improve knowledge or decisions in the field.
Read Guide →Wide acceptance does not make a scientific finding permanently exempt from replication. The relevant question is whether another replication could resolve meaningful uncertainty that the existing evidence has not already addressed.
Read Guide →A study that has never been independently replicated may be a strong replication candidate, particularly when an important claim depends heavily on it. Lack of independent replication creates an evidential gap, but it does not automatically make every unreplicated study worth repeating.
Read Guide →The strongest study and the most influential study may be different replication targets. Choose based on the uncertainty the replication can resolve and how much resolving it would matter to the scientific record.
Read Guide →A study can deserve replication because people act on its findings. When a result influences consequential decisions and independent evidence remains weak, the cost of being wrong can make replication unusually valuable.
Read Guide →Research developed with a community can be more valuable when community knowledge materially improves the question, design, interpretation, implementation, or usefulness of the findings. Collaboration is not automatically superior, however, and should be chosen because it improves the research rather than because participation itself sounds preferable.
Read Guide →A research question does not become interdisciplinary simply because several fields could contribute to it. The stronger test is whether answering the question adequately requires knowledge, concepts, methods, or perspectives that no single discipline can reasonably supply on its own.
Read Guide →A research gap can exist between disciplines even when each field already has a substantial literature. The missing contribution may be the connection, comparison, or integration of knowledge that has developed separately.
Read Guide →What looks like an unanswered research problem in one discipline may already have a substantial literature elsewhere. Before claiming a gap, check whether another field has studied the same phenomenon using different concepts, terminology, methods, or assumptions.
Read Guide →Before defending a proposed study, try to construct the strongest credible argument against doing it. A serious objection can expose weaknesses in the rationale, evidence, contribution, design, feasibility, or assumptions while there is still time to respond.
Read Guide →Methodological rigor cannot rescue a study whose underlying question has little consequence. Before optimizing methods, researchers should ask what uncertainty the study resolves and why resolving it would matter.
Read Guide →A plausible research problem is not necessarily an established one. Before designing a study, verify that credible evidence supports the problem, uncertainty, or phenomenon you intend to investigate.
Read Guide →Not finding a study is not the same as establishing a research gap. Before building a study around missing evidence, test whether the gap survives broader searching, alternative terminology, adjacent literature, and closer examination of what is already known.
Read Guide →A literature search is not simply an exercise in finding as many papers as possible. Its purpose depends on what you need the literature to help you understand, decide, or establish in your research.
Read Guide →A literature search finds potentially relevant evidence; a literature review makes sense of that evidence. Understanding the distinction helps you avoid confusing a collection of papers with an actual review of the literature.
Read Guide →You usually need some engagement with the literature before finalizing a research question, but you do not necessarily need a complete literature review first. In many studies, searching, reading, and question development proceed iteratively.
Read Guide →Starting broad can help when you are still learning a research area, while a focused question becomes increasingly important when you need to identify a defined body of evidence. The most useful approach is often progressive focusing rather than choosing one strategy for the entire project.
Read Guide →A literature search can legitimately change your research question when it reveals better terminology, existing evidence, conceptual problems, feasibility constraints, or a more meaningful problem. The key is to distinguish evidence-informed refinement from arbitrary or outcome-driven changes.
Read Guide →A search strategy is more than a list of keywords. It is a deliberate plan connecting your research question to searchable concepts, appropriate terminology, information sources, query structure, and decisions about how the search will be tested and documented.
Read Guide →Not every literature search needs to be systematic. The appropriate level of rigor depends on what the search is supposed to accomplish, how the literature will be used, and how strongly your conclusions depend on identifying the relevant evidence.
Read Guide →Systematic, reproducible, and comprehensive describe different qualities of literature searching. A search can be reproducible without being comprehensive, systematic without achieving perfect coverage, or extensive without being sufficiently documented to reproduce.
Read Guide →A good literature search is not simply a hunt for the largest possible number of papers. The appropriate goal is to identify enough of the relevant evidence, with the required rigor and coverage determined by what the search is meant to support.
Read Guide →Following a careful search process does not guarantee that the most consequential evidence will be found. Important studies can remain invisible because of terminology, indexing, database coverage, publication format, or assumptions built into the search itself.
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