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Direct linkLlosa, 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
Download full textLee, Okhee – 1998
The current standards-based and systemic reform has an overarching goal: high academic standards for all students. In achieving the goal of "science for all," the key is the construct of science achievement T what K-12 students should know and be able to do in science. This paper reviews and analyzes the conceptions of science…
Descriptors: Academic Achievement, Communications, Educational Change, Elementary Secondary Education
