Evaluation Foundations RevisitedEvaluation examines policies and programs across every arena of human endeavor, from efforts to stop the spread of HIV AIDS to programs that drive national science policy. Relying on a vast array of methods, from qualitative interviewing to econometrics, it is a "transdiscipline," as opposed to a formal area of academic study. Accounting for these challenges, Evaluation Foundations Revisited offers an introduction for those seeking to better