What Works Clearinghouse - U.S. Department of Education
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An initiative of the U.S. Department of Education's Institute of Education Sciences, the WWC:
Produces user-friendly
practice guides
for educators that address instructional challenges with research-based recommendations for schools and classrooms
Assesses the rigor of research evidence on the effectiveness of
interventions (programs, products, practices, and policies), giving educators the tools to make informed decisions
Develops and implements
standards for reviewing and synthesizing education research
Provides a public and easily accessible registry of education evaluation researchers to assist schools, school districts, and program developers with designing and carrying out rigorous evaluations