Peer review helps determine whether a study's results are credible and contribute meaningfully to the field. This describes:

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This describes evaluating the study's quality, validity, and significance. Peer review brings in experts who examine the methods, data analysis, and whether the conclusions are supported by the results. It’s about whether the research design is sound, the analysis is appropriate, and the findings meaningfully advance the field, giving readers confidence in the credibility of the study. While editors may handle grammar or scheduling, those tasks don’t address the scientific trustworthiness of the results. Verifying authors’ affiliations is about authorship details and potential conflicts, not the core credibility of the study’s outcomes.