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Peer reviewedCampbell, Donald T. – Evaluation Practice, 1994
In spite of many inherent problems, impact evaluation should remain an integral part of program evaluation, both because impact evaluation brings its budget justification with it, and because its focus on causal hypotheses is an essential part of evaluation. Methodology based on the author's body of work is reviewed. (SLD)
Descriptors: Budgeting, Causal Models, Evaluation Methods, Evaluation Problems
