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Santau, Alexandra O.; Maerten-Rivera, Jaime L.; Huggins, Anne Corinne – Science Education, 2011
As part of a 5-year professional development intervention aimed at improving science and literacy achievement of English language learning (ELL) students in urban elementary schools, this study examined fourth-grade students' science achievement across a 3-year (2005-2008) implementation of our professional development intervention consisting of…
Descriptors: Intervention, Achievement Gains, Second Language Learning, Teacher Workshops
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Lee, Hee-Sun; Liu, Ou Lydia – Science Education, 2010
We use a construct-based assessment approach to measure learning progression of energy concepts across physical, life, and earth science contexts in middle school grades. We model the knowledge integration construct in six levels in terms of the numbers of ideas and links used in student-generated explanations. For this study, we selected 10 items…
Descriptors: Middle School Students, Standardized Tests, Earth Science, Energy