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International Journal of…

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Progress in the Past Decade: An Examination of the Precision of Cluster Randomized Trials Funded by the U.S. Institute of Education Sciences

Peer reviewed

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Spybrook, 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

The Educational Validity and Utility of Single-Case Design Research in Building Evidence-Based Practices in Education

Peer reviewed

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Kourea, Lefki; Lo, Ya-yu – International Journal of Research & Method in Education, 2016

Improving academic, behavioural, and social outcomes of students through empirical research has been a firm commitment among researchers, policy-makers, and other professionals in education across Europe and the United States (U.S.). To assist in building scientific evidences, executive bodies such as the European Commission and the Institute for…

Descriptors: Evidence Based Practice, Validity, Randomized Controlled Trials, Research Methodology