National Institute of Justice National Institute of Justice. Research. Development. Evaluation. Office of Justice Programs
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Evidence base (studies reviewed)

For programs, evidence base represents the three or fewer studies reviewed and scored by Study Reviewers the results of which are aggregated to determine a program’s Evidence Rating. For practices, the evidence base comprises all available meta-analyses. Read more About or about Program Review and Rating from Start to Finish or Practice Review and Rating from Start to Finish.