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What Works for Whom: Evidence Gap Maps of Study Data in the What Works Clearinghouse
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Betsy Wolf – Society for Research on Educational Effectiveness, 2023
Introduction: The What Works Clearinghouse (WWC) reviews rigorous research on educational interventions with a goal of identifying "what works" and making that information accessible to educators and policymakers. In rating the quality of causal research, the WWC has historically prioritized internal validity over external validity. One…
Descriptors: Evidence, Program Effectiveness, Educational Research, Validity
What Works for Whom: Subgroup Effects, Compositional Effects, and so Much Treatment Heterogeneity
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Betsy Wolf – Society for Research on Educational Effectiveness, 2024
Introduction: The What Works Clearinghouse (WWC) reviews rigorous research on educational interventions with a goal of identifying "what works" and making that information accessible to educators and policymakers. The WWC has historically prioritized internal validity over external validity in rating the quality of research. One critique…
Descriptors: Educational Assessment, Educational Research, Validity, Research Utilization
What Works for Whom: Exploring the Students, Settings, and Outcomes in What Works Clearinghouse Study Data
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Betsy Wolf – Grantee Submission, 2024
The What Works Clearinghouse (WWC) at the Institute of Education Sciences reviews rigorous research on educational practices, policies, programs, and products with a goal of identifying 'what works' and making that information accessible to the public. One critique of the WWC is the need to more closely examine 'what works' for whom, in which…
Descriptors: Data Use, Educational Research, Student Characteristics, Context Effect