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| Bredderman, Ted | 1 |
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| Reports - Research | 1 |
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Bredderman, Ted – 1982
A quantitative synthesis of research findings on the effects of three major activity-based elementary science programs developed with National Science Foundation support was conducted. Controlled evaluation studies of the Elementary Science Study (ESS), Science-A Process Approach (SAPA), or The Science Curriculum Improvement Study (SCIS) were used…
Descriptors: Academic Achievement, Conventional Instruction, Elementary Education, Elementary School Science


