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Clements, Douglas H.; Sarama, Julie; Wolfe, Christopher B.; Spitler, Mary Elaine – American Educational Research Journal, 2013
Using a cluster randomized trial design, we evaluated the persistence of effects of a research-based model for scaling up educational interventions. The model was implemented in 42 schools in two city districts serving low-resource communities, randomly assigned to three conditions. In pre-kindergarten, the two experimental interventions were…
Descriptors: Mathematics Instruction, Intervention, Early Childhood Education, Experimental Groups
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Sarama, Julie; Clements, Douglas H.; Henry, Julie Jacobs – International Journal of Computers for Mathematical Learning, 1998
Examines the effect of a technology-based educational innovation in a school's mathematics program on the knowledge and beliefs of students and teachers, based on recent reform recommendations. Emphasizes unrealized potential and missed opportunities for facilitation due to divergent beliefs of the social groups. Contains 42 references.…
Descriptors: Computer Uses in Education, Educational Change, Educational Technology, Mathematics Curriculum