Featured items

Tutorial
WWC Online Regression Discontinuity Design Standards Training
December 27, 2021

This training is designed to inform the public about key elements of the WWC regression discontinuity design standards and the procedures the WWC uses to review regression discontinuity desig...
Webinar
Learning from Studies That Do Not Meet WWC Standards
October 21, 2021

On October 21, 2021 the WWC identified the most commons reasons studies do not meet WWC group design standards and explained how researchers can avoid these pitfalls
Webinar TipSheet
Tutorial
WWC Online Single-Case Design Standards Training
May 3, 2021

The What Works Clearinghouse (WWC) offers this training to inform the public about the key elements of the WWC single-case design standards and the procedures the WWC uses to review single-case design...

Resources for Study Authors

Tutorial
WWC Online Regression Discontinuity Design Standards Training
December 27, 2021

This training is designed to inform the public about key elements of the WWC regression discontinuity design standards and the procedures the WWC uses to review regression discontinuity desig...
Reference
Tips for Designing and Carrying Out Studies that Can Meet WWC Standards
October 21, 2021

This Tip Sheet includes information for researchers on ways to avoid some of the most common pitfalls that prevent studies from meeting WWC standards.
Webinar
Learning from Studies That Do Not Meet WWC Standards
October 21, 2021

On October 21, 2021 the WWC identified the most commons reasons studies do not meet WWC group design standards and explained how researchers can avoid these pitfalls
Webinar TipSheet
Webinar
WWC Systematic Literature Searches Using ERIC
September 29, 2021

The WWC and Education Resources Information Center (ERIC) co-hosted a webinar on September 29, 2021 to discuss comprehensive literature searches, as well as the use and functionality of the E...
Guide
Reporting Guide for Study Authors: Group Design Studies
July 1, 2021

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...
Tutorial
WWC Online Single-Case Design Standards Training
May 3, 2021

The What Works Clearinghouse (WWC) offers this training to inform the public about the key elements of the WWC single-case design standards and the procedures the WWC uses to review single-case design...
Webinar
Version 4.1 Effect Size and Standard Error Formulas
December 2, 2020

The WWC hosted a webinar on December 2, 2020 to summarize changes to the effect size and standard error formulas published in the V4.1 supplement to the WWC Procedures Handbook.
Webinar
Design Comparable Effect Sizes for Single-Case Design Studies
October 13, 2020

The WWC hosted a webinar on October 13, 2020 to discuss the use, application and estimation of the design-comparable effect size (D-CES) for single-case design studies (SCDs).
Webinar
WWC Review Protocols: What's the Point?
May 14, 2020

This webinar provides an introduction to review protocols particularly for WWC-certified reviewers, protocol authors, review team leadership, and researchers whose studies may be reviewed by the WWC.
Webinar
What’s New in Version 4.1 of the WWC Standards Handbook and Procedures Handbook?
January 22, 2020

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.
Webinar
Documenting Study Context in WWC Reviews of Group Design Studies
May 14, 2019

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...
Webinar
Best Practices in Study Reporting: The What Works Clearinghouse Guide for Authors
February 1, 2019

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...
Reference
Reporting Guide for Study Authors: Regression Discontinuity Design Studies
February 1, 2018

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...
Reference
Reporting Guide for Study Authors: Group Design Studies (Version 2.0)
February 1, 2018

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...
Video
A Guide to Finding Information on Studies Reviewed by the What Works Clearinghouse
September 1, 2017

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...
Webinar
Supporting Rigorous Research: Resources from the WWC
March 15, 2017

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...
Reference
Understanding WWC Intervention Reports That Summarize Single-Case Design Research
January 1, 2017

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...
Reference
How are the Math Topic Areas Structured?
May 1, 2016

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 ...
Webinar
Designing Quasi-Experiments: Meeting What Works Clearinghouse Standards Without Random Assignment
March 3, 2015

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 ...
Webinar
Designing Strong Studies Webinar Video
July 21, 2014

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...
Reference
Questions and Answers From Demystifying the What Works Clearinghouse: A Webinar for Developers and Researchers
February 1, 2014

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...
Webinar
Demystifying the What Works Clearinghouse: A Webinar for Developers and Researchers
December 3, 2013

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...
Reference
Reporting Guide for Study Authors: Group Design Studies (Version 1.0)
August 1, 2012

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...
Reference
Standards for Regression Discontinuity Designs
June 1, 2010

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...

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