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What Works Clearinghouse


The WWC Handbook provides a detailed description of the standards and procedures of the WWC. Version 3.0 of the Handbook contains the standards currently in use by the WWC for reviewing studies.
Download a brief summary of the updates to the WWC Procedures and Standards Handbook Version 3.0
Download a PDF icon brief summary
(96 KB) of the updates to the
Procedures and Standards
Handbook Version 3.0