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Yang, Rui; Porter, Andrew C.; Massey, Christine M.; Merlino, Joseph F.; Desimone, Laura M. – Journal of Research in Science Teaching, 2020
This study investigates, through a cluster-randomized trial, the effectiveness of two approaches to increasing middle school students' science learning using a traditional science curriculum. Ninety schools were randomly assigned into one of three arms: (a) a treatment arm in which the textbook curriculum was modified based on four principles of…
Descriptors: Science Curriculum, Secondary School Science, Middle School Students, Middle School Teachers
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Schunn, Christian D.; Newcombe, Nora S.; Alfieri, Louis; Cromley, Jennifer G.; Massey, Christine; Merlino, Joseph F. – Applied Cognitive Psychology, 2018
Four principles of cognitive science were used to make systematic revisions in middle school science instructional modules from two kinds of curriculum: one popular textbook series and one popular hands-on series (two modules each). Schools were randomly assigned to 1 of the 3 arms (cognitive science modifications with professional development,…
Descriptors: Cognitive Science, Middle School Students, Science Education, Instructional Improvement