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Clements, Douglas H.; Sarama, Julie; Spitler, Mary Elaine; Lange, Alissa A.; Wolfe, Christopher B. – Journal for Research in Mathematics Education, 2011
This study employed a cluster randomized trial design to evaluate the effectiveness of a research-based intervention for improving the mathematics education of very young children. This intervention includes the "Building Blocks" mathematics curriculum, which is structured in research-based learning trajectories, and congruous…
Descriptors: Professional Continuing Education, Dietetics, Intervention, Mathematics Education
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Sarama, Julie; Clements, Douglas H.; Starkey, Prentice; Klein, Alice; Wakeley, Ann – Journal of Research on Educational Effectiveness, 2008
This study used a randomized field trial design to evaluate the efficacy of a research-based model for scaling up an intervention focused on preschool mathematics. Although the successes of research-based educational practices have been documented, equally well known is the paucity of successful efforts to bring these practices to scale. The same…
Descriptors: Mathematics Curriculum, Mathematics Instruction, Intervention, Mathematics Achievement
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Clements, Douglas H.; Sarama, Julie – American Educational Research Journal, 2008
A randomized-trials design was used to evaluate the effectiveness of a preschool mathematics program based on a comprehensive model of research-based curricula development. Thirty-six preschool classrooms were assigned to experimental (Building Blocks), comparison (a different preschool mathematics curriculum), or control conditions. Children were…
Descriptors: Experimental Groups, Control Groups, Mathematics Curriculum, Effect Size
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Klein, Alice; Starkey, Prentice; Clements, Douglas; Sarama, Julie; Iyer, Roopa – Journal of Research on Educational Effectiveness, 2008
Research indicates that a socioeconomic status-related gap in mathematical knowledge appears early and widens during early childhood. Young children from economically disadvantaged families receive less support for mathematical development both at home and in preschool. Consequently, children from different socioeconomic backgrounds enter…
Descriptors: Mathematics Skills, Learning Readiness, Early Intervention, Economically Disadvantaged
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Clements, Douglas H.; Sarama, Julie – Journal for Research in Mathematics Education, 2007
This study evaluated the efficacy of a preschool mathematics program based on a comprehensive model of developing research-based software and print curricula. Building Blocks, funded by the National Science Foundation, is a curriculum development project focused on creating research-based, technology-enhanced mathematics materials for pre-K…
Descriptors: Disadvantaged Youth, Experimental Groups, Curriculum Development, Achievement Gains