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Desimone, 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
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Kaufman, Julia H.; Rita Karam; Pane, John F.; Junker, Brian W. – Journal of Mathematics Education at Teachers College, 2012
This study drew on data from a large, randomized trial of Cognitive Tutor Algebra (CTA) in high-poverty settings to investigate how mathematics curricula and classroom achievement related to teacher reports of time spent on inquiry-based and lecture-based mathematics activities. We found that teachers using the CTA curriculum reported more time on…
Descriptors: Algebra, Mathematics Curriculum, Learning Activities, Inquiry