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Direct linkRose, Roderick A.; Bowen, Gary L. – Social Work Research, 2009
In cluster-randomized trials (CRTs) of social work interventions, groups are assigned to treatment conditions. Conducting a power analysis ensures that enough groups are sampled for testing hypotheses. The power analysis method and inputs must be informed by the hypotheses, effects to be tested, and the data analysis plans. The authors present a…
Descriptors: Research Design, Intervention, Heuristics, Statistical Analysis
