The WWC hosted a webinar on January 22, 2020 to discuss changes between the Version 4.0 and 4.1 WWC Standards Handbook and Procedures Handbook.

On May 14, 2019, the What Works Clearinghouse (WWC) hosted a free webinar on documenting contextual information in reviews of group design studies. The slide deck and archived Q&A responses are also a...

On February 1, 2019, the What Works Clearinghouse (WWC) delivered a webinar on how study authors can align with best practices in study reporting and position their studies for efficient review by the...

This document provides guidance to study authors about how to describe regression discontinuity design studies and report their findings in a way that is clear, complete, and transparent. The first tw...

This document provides guidance to study authors about how to describe group design studies and report their findings in a way that is clear, complete, and transparent. The first two sections detail t...

This video demonstrates how to use the What Works Clearinghouse (WWC) website to learn whether a particular study of interest has been reviewed by the WWC and, if so, how to access the review and asso...

On March 15, the What Works Clearinghouse (WWC) delivered a webinar on the ways that the WWC supports education researchers. This webinar focused on the resources available to support rigorous researc...

When reviewing single-case design research, the What Works Clearinghouse (WWC) first reviews each single-case design experiment within a study (or research article) to determine whether it meets stand...

In June 2015, the WWC restructured our reviews of research on math interventions into two areas instead of three. These two review areas are Primary Mathematics (which includes interventions in which ...

On Tuesday, March 3, 2015, the Institute of Education Sciences at the U.S. Department of Education sponsored a What Works Clearinghouse (WWC) webinar explaining how to design and execute high-quality ...

On Monday July 21, 2014, the Institute of Education Sciences at the U.S. Department of Education sponsored a What Works Clearinghouse (WWC) webinar for researchers. The webinar focused on how to desig...

On Tuesday, December 3, 2013, the Institute of Education Sciences at the U.S. Department of Education sponsored a What Works Clearinghouse (WWC) webinar for developers and researchers. This page answe...

On Tuesday, December 3, 2013, the Institute of Education Sciences at the U.S. Department of Education sponsored a What Works Clearinghouse (WWC) webinar for developers and researchers. The webinar foc...

This document provides guidance to study authors about how to describe group design studies and report their findings in a way that is clear, complete, and transparent. The first two sections detail t...

Regression discontinuity (RD) designs are increasingly used by researchers to obtain unbiased estimates of the effects of education-related interventions. These designs are applicable when a continuou...