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Download full textNomi, Takako; Raudenbush, Stephen W. – Society for Research on Educational Effectiveness, 2012
To understand heterogeneity in the effects of double-dose algebra across schools, the authors focus on two policy implementation features and their variation across schools. The first source of variation is the degree to which schools followed the cutoff-based course assignment policy. The second source of variation is the degree to which schools…
Descriptors: Mathematics Instruction, Algebra, Regression (Statistics), Research Design
Peer reviewed
Direct linkBrown, Eric C.; Graham, John W.; Hawkins, J. David; Arthur, Michael W.; Baldwin, Megan M.; Oesterle, Sabrina; Briney, John S.; Catalano, Richard F.; Abbott, Robert D. – Evaluation Review, 2009
Communities That Care (CTC) is a prevention system designed to reduce adolescent substance use and delinquency through the selection of effective preventive interventions tailored to a community's specific profile of risk and protection. A community-randomized trial of CTC, the Community Youth Development Study, is currently being conducted in 24…
Descriptors: Longitudinal Studies, Cohort Analysis, Community Characteristics, Prevention
