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Llosa, Lorena; Lee, Okhee; Jiang, Feng; Haas, Alison; O'Connor, Corey; Van Booven, Christopher D.; Kieffer, Michael J. – American Educational Research Journal, 2016
The authors evaluated the effects of P-SELL, a science curricular and professional development intervention for fifth-grade students with a focus on English language learners (ELLs). Using a randomized controlled trial design with 33 treatment and 33 control schools across three school districts in one state, we found significant and meaningfully…
Descriptors: Intervention, Science Education, Science Course Improvement Projects, Program Effectiveness
Klein, Alice; Starkey, Prentice; DeFlorio, Lydia; Brown, E. Todd – Society for Research on Educational Effectiveness, 2012
Educators are increasingly concerned about the low level of mathematics performance of U.S. students on the TIMSS and other international assessments of mathematics (National Mathematics Advisory Panel, 2008) as well as their insufficient preparation for mathematics standards, such as the Common Core State Standards. Students from low-income and…
Descriptors: Academic Achievement, Mathematics Achievement, Achievement Gap, State Standards
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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