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Direct linkClements, 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
