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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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