Abstract

AimAn expository note introduces health sciences researchers to randomized single-case intervention designs, an adaptation of interrupted time-series methodology, and the staple of a scientifically credible small-sample research paradigm.MethodsDetailed examples illustrating two different randomized single-case procedures are presented to highlight the techniques’ advantages relative to small-sample nonparametric procedures that are commonly applied in the medical and health sciences fields.ResultsNumerous positive outcomes, based on both statistical simulation studies and actual intervention research investigations, support the applicability and value of these procedures.ConclusionRandomized single-case intervention designs are recommended for consideration by health sciences researchers.

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