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Fong, Kelley; Visher, Mary G. – MDRC, 2013
For the past decade, MDRC has evaluated a number of interventions designed to improve the outcomes of community college students, including enhanced counseling, learning communities, and financial incentives. Encouragingly, many of these strategies have produced positive effects, affirming that changes in institutional practices and policies can…
Descriptors: Intervention, Developmental Programs, Mathematics Curriculum, Curriculum Design
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Hill, Douglas M.; Redden, Michael G. – School Science and Mathematics, 1985
Control group students (receiving descriptive, non-inquiry science) and experimental group students (using Science Curriculum Improvement Study-SCIS "Interaction and Systems" materials) were later combined in grade 4 for instruction with SCIS "Subsystems and Variables" materials. Results show similar difficulties in learning…
Descriptors: Cognitive Development, Comparative Analysis, Concept Formation, Elementary Education