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Direct linkClements, Douglas H.; Sarama, Julie; Wolfe, Christopher B.; Spitler, Mary Elaine – Early Education and Development, 2015
Research Findings: We evaluated the fidelity of implementation and the sustainability of effects of a research-based model for scaling up educational interventions. The model was implemented by 64 teachers in 26 schools in 2 distal city districts serving low-resource communities, with schools randomly assigned to condition. Practice or Policy:…
Descriptors: Sustainability, Intervention, Longitudinal Studies, Fidelity
Download full textClements, Douglas H. – 1998
Although geometry and spatial reasoning are important as a way to interpret and reflect on the physical environment and also form the foundation for learning mathematics and other subjects, many early childhood and primary school teachers spend little time instructing their students in these areas. This paper examines how young children learn…
Descriptors: Age Differences, Child Development, Cognitive Development, Concept Formation
