Sherman, Lawrence W; Strang, Heather
The social benefits of randomized controlled trials (RCTs) would be enhanced by general recognition of three problems of their interpretation and a redefinition of their mission in relation to program development and evaluation. One problem is that of "forest versus trees," or the sampling relationship between each test of a hypothesis and the conclusions drawn from all such tests taken together. A second problem is interpreting RCTs as testing theory or policy when they cannot achieve a high...[Show more]
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