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Peer reviewed
Direct linkRickles, Jordan H.; Seltzer, Michael – Journal of Educational and Behavioral Statistics, 2014
When nonrandom treatments occur across sites, within-site matching (WM) is often desirable. This approach, however, can significantly reduce treatment group sample size and exclude substantively important subgroups. To limit these drawbacks, we extend a matching approach developed by Stuart and Rubin to a multisite study. We demonstrate the…
Descriptors: Computation, Probability, Observation, Algebra
Rakes, Christopher R. – ProQuest LLC, 2010
In this study, the author examined the relationship of probability misconceptions to algebra, geometry, and rational number misconceptions and investigated the potential of probability instruction as an intervention to address misconceptions in all 4 content areas. Through a review of literature, 5 fundamental concepts were identified that, if…
Descriptors: Control Groups, Fundamental Concepts, Intervention, Structural Equation Models
Cabalo, Jessica Villaruz; Vu, Minh-Thien – Empirical Education Inc., 2007
The Maui Hawaii Educational consortium (the Maui School District and Maui Community College) sought scientifically based evidence for the effectiveness of the "Cognitive Tutor (CT) Algebra I Curriculum" to inform adoption decisions. Decision makers were particularly interested in whether the use of the "CT" program affects…
Descriptors: Access to Computers, Program Effectiveness, Algebra, Community Colleges
