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Lewis Presser, Ashley; Clements, Margaret; Ginsburg, Herbert; Ertle, Barbrina – Early Education and Development, 2015
Research Findings: Big Math for Little Kids (BMLK) is a mathematics curriculum developed for use with 4- and 5-year-old children. To investigate the BMLK curriculum's effect on children's mathematics knowledge, this cluster-randomized controlled trial randomly assigned child care centers to provide mathematics instruction to children, using either…
Descriptors: Preschool Curriculum, Preschool Education, Preschool Children, Kindergarten
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Roschelle, Jeremy; Shechtman, Nicole; Tatar, Deborah; Hegedus, Stephen; Hopkins, Bill; Empson, Susan; Knudsen, Jennifer; Gallagher, Lawrence P. – American Educational Research Journal, 2010
The authors present three studies (two randomized controlled experiments and one embedded quasi-experiment) designed to evaluate the impact of replacement units targeting student learning of advanced middle school mathematics. The studies evaluated the SimCalc approach, which integrates an interactive representational technology, paper curriculum,…
Descriptors: Middle Schools, Teacher Characteristics, Effect Size, Professional Development
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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