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Download full textWhat Works Clearinghouse, 2024
The What Works Clearinghouse (WWC) serves as a central and trusted source of scientific evidence for what works in education. The WWC designs its resources to help educators, administrators, families, researchers, and policymakers make evidence-based decisions. In fall 2023, the WWC convened the Small Working Group of Experienced Education…
Descriptors: Educational Research, Clearinghouses, Federal Programs, Program Effectiveness
Polanin, Joshua; Caverly, Sarah; Pollard, Erin; Bzura, Robin; Davis, Elisabeth; Goldston, Cora; Gnedko-Berry, Natalya; Lindsay, Jim; Nolan, Elizabeth; Song, Mengli; Swan, Danny; Tanner-Smith, Emily; Taylor, Joe; Valentine, Jeff; Williams, Ryan – What Works Clearinghouse, 2021
The What Works Clearinghouse (WWC) is an investment of the U.S. Department of Education's Institute of Education Sciences. Its purpose is to provide educators, policymakers, researchers, and the public with a central and trusted source of scientific evidence on what works in education. The WWC's goal is to produce high-quality products that help…
Descriptors: Clearinghouses, Federal Programs, Educational Research, Instructional Effectiveness
Wolf, Rebecca – What Works Clearinghouse, 2021
The What Works Clearinghouse (WWC) seeks to provide practitioners information about "what works in education." One challenge in understanding "what works" is that effect sizes may not be comparable across studies, which limits the ability to compare the relative effectiveness of multiple interventions. One factor that…
Descriptors: Effect Size, Outcome Measures, Educational Research, Differences
What Works Clearinghouse, 2017
The What Works Clearinghouse (WWC) Standards Briefs explain the rules the WWC uses to evaluate the quality of studies for practitioners, researchers, and policymakers. An aspect of a study is considered a confounding factor if it is not possible to tell whether the difference in outcomes is due to the intervention, the confounding factor, or both.…
Descriptors: Educational Research, Evaluation Criteria, Intervention, Research Reports
What Works Clearinghouse, 2018
The "Knowledge Is Power Program" ("KIPP") is a nonprofit network of more than 200 public charter schools educating early childhood, elementary, middle, and high school students. The What Works Clearinghouse (WWC) identified four studies of "KIPP" that fall within the scope of the Charter Schools topic area and meet…
Descriptors: Clearinghouses, Intervention, Charter Schools, Mathematics Achievement
What Works Clearinghouse, 2014
For every What Works Clearinghouse (WWC) review, reviewers will be asked to complete a Study Review Guide (SRG). A completed SRG should be a reviewer's independent assessment of the study, relative to the criteria specified in the review protocol and the WWC Procedures and Standards Handbook (Handbook). At the end of the review process, a Master…
Descriptors: Quasiexperimental Design, Randomized Controlled Trials, Guides, Clearinghouses
What Works Clearinghouse, 2012
What Works Clearinghouse (WWC) quick reviews (QRs) are designed to provide education practitioners and policymakers with timely, preliminary objective assessments of the quality of the research evidence from recently released research papers and reports that have received coverage in the media. These reviews focus primarily on studies of the…
Descriptors: Educational Research, Evidence Based Practice, Research Design, Evaluation Criteria
P. Schochet; T. Cook; J. Deke; G. Imbens; J. R. Lockwood; J. Porter; J. Smith – What Works Clearinghouse, 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 continuous "scoring" rule is used to assign the intervention to study units (for example, school districts, schools, or students). Under an RD…
Descriptors: Educational Research, Intervention, Matched Groups, Bias
