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Miratrix, Luke W.; Weiss, Michael J.; Henderson, Brit – Journal of Research on Educational Effectiveness, 2021
Researchers face many choices when conducting large-scale multisite individually randomized control trials. One of the most common quantities of interest in multisite RCTs is the overall average effect. Even this quantity is non-trivial to define and estimate. The researcher can target the average effect across individuals or sites. Furthermore,…
Descriptors: Computation, Randomized Controlled Trials, Error of Measurement, Regression (Statistics)
Weiss, Michael J.; Unterman, Rebecca; Biedzio, Dorota – MDRC, 2021
Some education programs' early positive effects disappear over time. Other programs have unanticipated positive long-term effects. Foundations warn of the dangers of putting too much weight on in-program effects, which, they say, often fade after a program ends. This Issue Focus tackles the topic of post-program effects in postsecondary education.…
Descriptors: Outcomes of Education, Higher Education, College Credits, Program Evaluation
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Weiss, Michael J.; Scrivener, Susan; Slaughter, Austin; Cohen, Benjamin – Educational Evaluation and Policy Analysis, 2021
Most community college students are referred to developmental education courses to build basic skills. These students often struggle in these courses and college more broadly. CUNY Start is a prematriculation program for students assessed as having significant remedial needs. CUNY Start students delay matriculation for one semester and receive…
Descriptors: Randomized Controlled Trials, Program Evaluation, Developmental Studies Programs, Community Colleges
Weiss, Michael J.; Scrivener, Susan; Slaughter, Austin; Cohen, Benjamin – MDRC, 2021
Most community college students are referred to developmental education courses to build basic skills. These students often struggle in these courses and college more broadly. CUNY Start is a prematriculation program for students assessed as having significant remedial needs. CUNY Start students delay matriculation for one semester and receive…
Descriptors: Randomized Controlled Trials, Program Evaluation, Developmental Studies Programs, Community Colleges
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Weiss, Michael J.; Headlam, Camielle – Journal of Research on Educational Effectiveness, 2019
Community colleges are a large sector of postsecondary education. In 2016-2017, the United States had nearly 1,000 public 2-year postsecondary institutions (community colleges), serving almost nine million students, representing 39% of all undergraduates. The majority of entering community college students require developmental (or remedial) math.…
Descriptors: Community Colleges, Two Year College Students, Computer Assisted Instruction, Electronic Learning
Weiss, Michael J.; Headlam, Camielle – MDRC, 2018
Community colleges are a large sector of postsecondary education. In 2016-2017, the United States had nearly 1,000 public 2-year postsecondary institutions (community colleges), serving almost nine million students, representing 39% of all undergraduates. The majority of entering community college students require developmental (or remedial) math.…
Descriptors: Randomized Controlled Trials, Computer Assisted Instruction, Pacing, Remedial Mathematics
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Weiss, Michael J.; Bloom, Howard S.; Verbitsky-Savitz, Natalya; Gupta, Himani; Vigil, Alma E.; Cullinan, Daniel N. – Journal of Research on Educational Effectiveness, 2017
Multisite trials, in which individuals are randomly assigned to alternative treatment arms within sites, offer an excellent opportunity to estimate the cross-site average effect of treatment assignment (intent to treat or ITT) "and" the amount by which this impact varies across sites. Although both of these statistics are substantively…
Descriptors: Randomized Controlled Trials, Evidence, Models, Intervention