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...
View the recording of the What Works Clearinghouse (WWC) and Education Resources Information Center (ERIC)
webinar on the best-practice principles and procedures used in WW...
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...
The WWC hosted a webinar, on August 25, 2022, to introduce the major updates included in the WWC Procedures and Standards Handbook, Version 5.0.
Due to a recording error, this webinar was re-re...
The WWC hosted a webinar on March 22, 2022 to introduce the major updates proposed
for the WWC Procedures and Standards Handbook, Version 5.0 during the Handbook public comment period.
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...
View the recording of the What Works Clearinghouse (WWC) and Education Resources Information Center (ERIC)
webinar on the best-practice principles and procedures used in WW...
This What Works Clearinghouse (WWC) webinar discussed processes for screening, reviewing, and reconciling WWC studies using the Online Study Review Guide (OSRG). During the webinar,
the prese...
This What Works Clearinghouse (WWC) webinar provided an overview of recent Online Study Review Guide (OSRG) updates
that align with version 4.1 of the WWC Standards Handbook and WWC Procedure...
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...
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.
This infographic highlights the WWC’s process for extracting data and estimating effect size for reviews and reconciliations of single-case design studies
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).
This infographic highlights what the WWC has discovered through rapid screening and reviews about the research behind distance learning programs and practices.
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.
The WWC hosted a webinar on October 29, 2019 to provide WWC reviewers and other participants with guidance on WWC standards for reviewing evidence from fuzzy regression discontinuity designs (FRDDs).
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...
The WWC hosted a webinar on April 18, 2019 on the WWC definition of confounds, why they are problematic, practice identifying them, and an examination of the prevalence of confounding in WWC-reviewed ...
On April 11, 2019, the What Works Clearinghouse (WWC) hosted a free webinar on the new guidelines for reviewing analyses with missing or imputed data under the WWC Standards Handbook, Version 4.0.
On April 11, 2019, the What Works Clearinghouse (WWC) hosted a free webinar on the new guidelines for reviewing analyses with missing or imputed data under the WWC Standards Handbook, Version 4.0. The...
On November 16, 2017, the What Works Clearinghouse (WWC) delivered a presentation on the Version 4.0 Procedures and Standards Handbooks, which were released October 30, 2017. The approaches researcher...
The What Works Clearinghouse (WWC) Procedures and Standards Handbooks (version 4.0) provides reviewers with a detailed description of the procedures and standards used by the WWC in the review of stud...
The What Works Clearinghouse (WWC) Procedures and Standards Handbook (version 3.0) provides reviewers with a detailed description of the pilot single-case design standards and procedures. The WWC work...
This What Works Clearinghouse (WWC) webinar covers how the current WWC Procedures and Standards Handbook can be applied to postsecondary research. The presenters Will Doyle from Vanderbilt University,...
Attrition (loss of sample) occurs when individuals initially included in a study are not included in the final study analysis. Attrition is a common issue in education research and can occur for many ...
As part of the WWC review process for certain types of studies, reviewers assess whether the intervention group (those that received the intervention of interest) and the comparison group (those that ...
A confounding factor is an aspect of a study that makes it impossible to tell whether the intervention or that factor is responsible for differences in outcomes. In WWC study reviews, certified review...
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