Here is our inventory of government and non-governmental agencies and reviewers who conduct rigorous research, trials and evaluations on programs and practices to determine which ones have empirical support and also implementation resources. Consequently, they are rated for the degree to which they achieve their desired outcomes.  Ratings based on accepted evaluation standards - effective, promising, or not at all effective - are then assigned.

Click on the corresponding links below to visit the agencies' websites for further details.

California Evidence-Based Clearinghouse for Child Welfare

CEBC is a searchable database of child welfare related programs. The resource offers descriptions and information on research evidence for specific programs.

Campbell Collaboration

The Campbell Collaborative Library is a research resource for evidence-based professionals

Child Welfare: California Evidence-Based Clearinghouse for Child Welfare

The mission of the California Evidence-Based Clearinghouse for Child Welfare (CEBC) is to advance the effective implementation of evidence-based practices for children and families involved with the child welfare system. is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world. It is a service of the U.S. National Institutes of Health.  View Mental Health Trials.  View Behavioral Health Trials

Coalition for Evidence Based Policy

The Coalition is a nonprofit, nonpartisan organization, whose mission is to increase government effectiveness through rigorous evidence about “what works.”  The Coalition has no affiliation with any programs or program models, enabling it to serve as a neutral, independent source of expertise to Congress, the Executive Branch agencies, and other stakeholders on evidence-based programs. Funding for this project is provided by the MacArthur Foundation.

Cochrane Library

The Cochrane Library is a research resource for evidence-based professionals


The EBP Hub is an online portal, store, exclusive resource hub, and home for the evidence-based community resources.

EBP Society

EBPSociety is home to the evidence-based community and producer of the annual conference for evidence-based professionals. This includes EB Pathways, with its two nested Masterclasses for Practitioners and Organizations. The Society also has an active blog and works with practitioners, and leaders to get certified for their evidence-based expertise. The Society also houses an online BETA membership portal for ongoing evidence-based learning


The George Lucas Educational Foundation is dedicated to improving the K-12 learning process through innovative, replicable, and evidence-based strategies that prepare students to thrive in their studies, careers, and adult lives. 

Joyfields Institute

Joyfields is a provider of specific solutions for evidence-based organizations offering assessments, on-site training, and weekly webinars.

National Reentry Resource Center - (Council of State Governments)

The What Works in Reentry Clearinghouse offers easy access to important research on the effectiveness of a wide variety of reentry programs and practices. It provides a user-friendly, one-stop shop for practitioners and service providers seeking guidance on evidence-based reentry interventions, as well as a useful resource for researchers and others interested in reentry.

Office of Justice Programs - Crime Solutions

The Office of Justice Programs’ uses rigorous research to determine what works in criminal justice, juvenile justice, and crime victim services.  On you will find:

  • Research on program effectiveness reviewed and rated by Expert Reviewers
  • Easily understandable ratings based on the evidence that indicates whether a program achieves its goals

Office of Juvenile Justice & Delinquency Prevention

The Office of Juvenile Justice and Delinquency Prevention's Model Programs Guide (MPG) is designed to assist practitioners and communities in implementing evidence-based prevention and intervention programs that can make a difference in the lives of children and communities.

SAMHSA's National Registry of Evidence-based Programs and Practices (NREPP)

NREPP is a searchable online registry of substance abuse and mental health interventions developed to help the public learn more about evidence-based interventions that are available for implementation.

Additional SAMHSA EBP Resources

Social Programs That Work

This site seeks to identify those programs found in rigorous studies to produce sizable, sustained benefits to participants and society. The purpose is to enable policy officials and other readers to readily distinguish these programs from the many others that claim to have such evidence.

University of Colorado Center for the Study and Prevention of Violence - Blueprints for Violence Prevention

CSPV provides assistance to groups committed to understanding and preventing violence, particularly adolescent violence. It achieves this mission by disseminating information to the public, offering technical assistance to those working in violence prevention, and conducting basic research into the causes of violence and the effectiveness of violence prevention programs.

University of Washington - Evidence Based Practice Institute

The Evidence Based Practice Institute (EBPI) serves as a resource for state entities in identification, evaluation, and partnering with various communities (e.g. families, providers) on evidence based practices and offers provider training and consultation on the implementation of EBP's in communities, as well as the promotion of evidence based or promising practices.