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Taber, Keith S.; Garcia-Franco, Alejandra – Journal of the Learning Sciences, 2010
This article explores 11- to 16-year-old students' explanations for phenomena commonly studied in school chemistry from an inclusive cognitive resources or knowledge-in-pieces perspective that considers that student utterances may reflect the activation of knowledge elements at a range of levels of explicitness. We report 5 themes in student…
Descriptors: Physics, Chemistry, Learning Processes, Intuition
Penuel, William R.; Gallagher, Lawrence P. – Society for Research on Educational Effectiveness, 2009
The purpose of this study is to compare the efficacy of three different approaches to professional development in Earth science education: preparing teachers to "adopt" expert-"design" curricula; preparing teachers to use a principled approach to design curricula; and preparing teachers to use a principled approach to "adapt" curricula. The claims…
Descriptors: Earth Science, Teaching Methods, Instructional Design, Middle School Teachers