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What Works Clearinghouse Rating
Ashby, Cornelia M. – US Government Accountability Office, 2010
In connection with the Omnibus Appropriations Act, 2009, GAO (Government Accountability Office) was required to study the What Works Clearinghouse (WWC), a federal source of evidence about effective education practices. Operating through a 5-year contract awarded by the U.S. Department of Education's Institute of Education Sciences (IES), the WWC…
Descriptors: Clearinghouses, Instructional Effectiveness, Federal Legislation, Evaluation Methods