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Why an Active Comparison Group Makes a Difference and What to Do about It
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Datta, Lois-ellin – Journal of MultiDisciplinary Evaluation, 2007
The Randomized Control Trials (RCT) design and its quasi-experimental kissing cousin, the Comparison Group Trials (CGT), are golden to some and not even silver to others. At the center of the affection, at the vortex of the discomfort, are beliefs about what it takes to establish causality. These designs are considered primarily when the purpose…
Descriptors: Experimental Groups, Preschool Education, National Programs, Disadvantaged Youth