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Download full textCoalition for Evidence-Based Policy, 2007
The purpose of this Guide is to advise researchers, policymakers, and others on when it is possible to conduct a high-quality randomized controlled trial in education at reduced cost. Well-designed randomized controlled trials are recognized as the gold standard for evaluating the effectiveness of an intervention (i.e., program or practice) in…
Descriptors: Costs, Scores, Data, Research Design
