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Direct linkSpybrook, Jessaca; Shi, Ran; Kelcey, Benjamin – International Journal of Research & Method in Education, 2016
This article examines the statistical precision of cluster randomized trials (CRTs) funded by the Institute of Education Sciences (IES). Specifically, it compares the total number of clusters randomized and the minimum detectable effect size (MDES) of two sets of studies, those funded in the early years of IES (2002-2004) and those funded in the…
Descriptors: Randomized Controlled Trials, Federal Aid, Public Agencies, Comparative Analysis
