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Direct linkDesimone, Laura M.; Hill, Kirsten Lee – Educational Evaluation and Policy Analysis, 2017
We use data from a randomized controlled trial of a middle school science intervention to explore the causal mechanisms by which the intervention produced previously documented gains in student achievement. Our study finds that implementation fidelity, operationalized as a measure of the frequency of implementation of the cognitive science…
Descriptors: Randomized Controlled Trials, Middle School Students, Secondary School Science, Science Instruction
