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Penuel, William R.; Gallagher, Lawrence P. – Journal of the Learning Sciences, 2009
This study compared the efficacy of 3 approaches to professional development in middle school Earth science organized around the principles of Understanding by Design (Wiggins & McTighe, 1998) in a sample of 53 teachers from a large urban district. Teachers were randomly assigned to a control group or to 1 of 3 conditions that varied with…
Descriptors: Units of Study, Earth Science, Faculty Development, Teacher Competencies