Related concept: multiple testingAlternative spelling: moving-target problem Changes in healt... A technique consisting of analysing the data from a subgroup separately from those from the overall population studied. Note: This type of analysis should be planned beforehand in the research protocolAnt.: retrospective study. Related concept: cohort study.†..., and the results it provides are to be considered exploratory only. Any significant effect observed in a subgroup must be verified in other studies.
scoping reviewAnt.: prospective study. A study in which the investigators ... rapid reviewAlternate spelling: randomised controlled trial A study comp...