Search results for author:"Lawrence P. Gallagher"
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Journal of the Learning Sciences Vol. 18, No. 4 (2009) pp. 461–508
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....
Integration of Technology, Curriculum, and Professional Development for Advancing Middle School Mathematics: Three Large-Scale Studies
Jeremy Roschelle; Nicole Shechtman; Deborah Tatar; Stephen Hegedus; Bill Hopkins; Susan Empson; Jennifer Knudsen; Lawrence P. Gallagher
American Educational Research Journal Vol. 47, No. 4 (December 2010) pp. 833–878
The authors present three studies (two randomized controlled experiments and one embedded quasi-experiment) designed to evaluate the impact of replacement units targeting student learning of advanced middle school mathematics. The studies evaluated...