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Are Power Analyses Reported with Adequate Detail? Evidence from the First Wave of Group Randomized Trials Funded by the Institute of Education Sciences
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Spybrook, Jessaca – Journal of Research on Educational Effectiveness, 2008
This study examines the reporting of power analyses in the group randomized trials funded by the Institute of Education Sciences from 2002 to 2006. A detailed power analysis provides critical information that allows reviewers to (a) replicate the power analysis and (b) assess whether the parameters used in the power analysis are reasonable.…
Descriptors: Statistical Analysis, Correlation, Research Methodology, Research Design