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Direct linkBlitstein, Jonathan L.; Hannan, Peter J.; Murray, David M.; Shadish, William R. – Evaluation Review, 2005
This study describes a method for incorporating external estimates of intraclass correlation to improve the precision for the analysis of an existing group-randomized trial. The authors use a random-effects meta-analytic approach to pool the information across studies, which takes into account any interstudy heterogeneity that may exist. This…
Descriptors: Freedom, Computation, Correlation, Evaluation Research
