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Blank, Rolf K. – Council of Chief State School Officers, 2004
The purpose of the three-year CCSSO study was to design, implement, and test the effectiveness of the Data on Enacted Curriculum (DEC) model for improving math and science instruction. The model was tested by measuring its effects with a randomly selected sample of ?treatment? schools at the middle grades level as compared to a control group of…
Descriptors: Middle Schools, Faculty Development, Mathematics Instruction, Science Instruction