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Direct linkReichardt, Charles S. – American Journal of Evaluation, 2011
I define a treatment effect in terms of a comparison of outcomes and provide a typology of all possible comparisons that can be used to estimate treatment effects, including comparisons that are relatively unknown in both the literature and practice. I then assess the relative merit, worth, and value of all possible comparisons based on the…
Descriptors: Program Effectiveness, Evaluation Methods, Evaluation Criteria, Comparative Analysis
