Although billions of dollars have been spent on crime prevention and controlprograms during the past decade, scientifically strong impact evaluations of theseprograms are uncommon in the context of the overall number of programs thathave received funding. Improving Evaluation of Anticrime Programs is designed as aworking guide for agencies and organizations responsible for program evaluation, for researchers who must design scientifically credible evaluations of governmentand privately sponsored programs, and for policy officials who are investing moreand more in the concept of evidence-based policy to guide their decisions in crucialareas of crime prevention and control.