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Download full textBloom, Howard S.; Weiss, Michael J. – MDRC, 2018
The benefits of understanding variation apply on multiple levels. Local policymakers and practitioners need to know both the average impact of an intervention and its variation across settings to properly assess its likely benefits and risks for their jurisdictions. For social scientists, cross-site impact variation offers opportunities to learn…
Descriptors: Program Effectiveness, Research Methodology, Geographic Location, Intervention
Weiss, Michael J.; Bloom, Howard S. – MDRC, 2022
What works to help community college students progress academically? This brief synthesizes 20 years of rigorous research by MDRC, presenting new evidence about key attributes of community college interventions that are positively related to larger impacts on students' academic progress. Findings: Findings are based on a synthesis of evidence from…
Descriptors: Community Colleges, Two Year College Students, Educational Research, Intervention
Peer reviewed
Direct linkBloom, Howard S.; Spybrook, Jessaca – Journal of Research on Educational Effectiveness, 2017
Multisite trials, which are being used with increasing frequency in education and evaluation research, provide an exciting opportunity for learning about how the effects of interventions or programs are distributed across sites. In particular, these studies can produce rigorous estimates of a cross-site mean effect of program assignment…
Descriptors: Program Effectiveness, Program Evaluation, Sample Size, Evaluation Research
Garet, Michael S.; Cronen, Stephanie; Eaton, Marian; Kurki, Anja; Ludwig, Meredith; Jones, Wehmah; Uekawa, Kazuaki; Falk, Audrey; Bloom, Howard S.; Doolittle, Fred; Zhu, Pei; Sztejnberg, Laura – National Center for Education Evaluation and Regional Assistance, 2008
To help states and districts make informed decisions about the professional development (PD) they implement to improve reading instruction, the U.S. Department of Education commissioned the Early Reading PD Interventions Study to examine the impact of two research-based PD interventions for reading instruction: (1) a content-focused teacher…
Descriptors: Early Reading, Reading Instruction, Professional Development, Intervention
