This volume providesa single collection some of the best articles on social experimentation and program evaluation that have appeared in the Journal of Policy Analysis and Management (JPAM).Provides exposure to a variety of well-executed social experiments and evaluations for evidence-based public policyExamines the theory and conduct of evaluations and social experiments as they relate to their practical implementation in evidence-based policy makingProvides exposure to the fundamental issues surrounding the conduct of evaluations as well as to the relative merits of social experiments and the ethics and use of evaluations