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Handout from session at 2011 AEA/CDC Summer Evaluation Institute

Rossi and Freeman (1989) advocated using the “good enough” rule in evaluation design, choosing “the best possible design, given the potential importance of the program and considerations of practicality and feasibility” (p. 232). But Rossi later said that he feared that the good enough rule may be misused to excuse sloppy work. In this talk, Cooksy will ask how we know what “good enough” is, and suggest ways that even the just-barely-good enough evaluation can make a meaningful difference.

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