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Download full textDong, Nianbo; Spybrook, Jessaca; Kelcey, Ben – Society for Research on Educational Effectiveness, 2017
The purpose of this paper is to present results of recent advances in power analyses to detect the moderator effects in Cluster Randomized Trials (CRTs). This paper focus on demonstration of the software PowerUp!-Moderator. This paper provides a resource for researchers seeking to design CRTs with adequate power to detect the moderator effects of…
Descriptors: Computer Software, Research Design, Randomized Controlled Trials, Statistical Analysis
Hallberg, Kelly; Cook, Thomas D.; Figlio, David – Society for Research on Educational Effectiveness, 2013
The goal of this paper is to provide guidance for applied education researchers in using multi-level data to study the effects of interventions implemented at the school level. Two primary approaches are currently employed in observational studies of the effect of school-level interventions. One approach employs intact school matching: matching…
Descriptors: Matched Groups, Intervention, Randomized Controlled Trials, Elementary Schools
Cheung, Alan; Slavin, Robert – Society for Research on Educational Effectiveness, 2016
As evidence-based reform becomes increasingly important in educational policy, it is becoming essential to understand how research design might contribute to reported effect sizes in experiments evaluating educational programs. The purpose of this study was to examine how methodological features such as types of publication, sample sizes, and…
Descriptors: Effect Size, Evidence Based Practice, Educational Change, Educational Policy
