This report to the Washington State Legislature summarizes our latest review of evidence-based adult corrections programs. We previously published a review on this topic in 2001. In this study, we update and significantly extend our earlier effort.
We are publishing our current work in two installments. In this preliminary report, we provide a systematic review of the evidence on what works (and what does not) to reduce crime. In a subsequent final report, to be published in October 2006, this analysis will include a benefit-cost estimate for each option.