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Appendix A: Where to find evidence-based interventions
The following web sites can be useful in finding evidence-based educational interventions. These sites use varying criteria for determining which interventions are supported by evidence, but all distinguish between randomized controlled trials and other types of supporting evidence. We recommend that, in navigating these web sites, you use this Guide to help you make independent judgments about whether the listed interventions are supported by "strong" evidence, "possible" evidence, or neither.
The What Works Clearinghouse (http://www.w-w-c.org/) established by the U.S. Department of Education's Institute of Education Sciences to provide educators, policymakers, and the public with a central, independent, and trusted source of scientific evidence of what works in education.
The Promising Practices Network (http://www.promisingpractices.net/) web site highlights programs and practices that credible research indicates are effective in improving outcomes for children, youth, and families.
Blueprints for Violence Prevention (http://www.colorado.edu/cspv/blueprints/index.html) is a national violence prevention initiative to identify programs that are effective in reducing adolescent violent crime, aggression, delinquency, and substance abuse.
The International Campbell Collaboration (http://www.campbellcollaboration.org/Fralibrary.html) offers a registry of systematic reviews of evidence on the effects of interventions in the social, behavioral, and educational arenas.
Social Programs That Work (http://www.excelgov.org/displayContent.asp?Keyword=prppcSocial) offers a series of papers developed by the Coalition for Evidence-Based Policy on social programs that are backed by rigorous evidence of effectiveness.