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Elementary Teachers' Science Knowledge and Instructional Practices: Impact of an Intervention Focused on English Language Learners
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Lee, Okhee; Llosa, Lorena; Jiang, Feng; Haas, Alison; O'Connor, Corey; Van Booven, Christopher D. – Journal of Research in Science Teaching, 2016
As part of a three-year curricular and professional development intervention focused on English language learners (ELLs), this study examined the intervention's effect on teachers' science knowledge and instructional practices after one year of implementation. The P-SELL (Promoting Science Among English Language Learners) intervention comprised…
Descriptors: Elementary School Teachers, English Language Learners, Intervention, Knowledge Base for Teaching
Development and Validation of a Measure of Elementary Teachers' Science Content Knowledge in Two Multiyear Teacher Professional Development Intervention Projects
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Maerten-Rivera, Jaime Lynn; Huggins-Manley, Anne Corinne; Adamson, Karen; Lee, Okhee; Llosa, Lorena – Journal of Research in Science Teaching, 2015
Using data collected from two multiyear teacher professional development projects employing randomized control trials, this study describes the development and validation of a paper-based test of elementary teachers' science content knowledge (SCK). Evidence of construct validity is presented, including evidence on internal structural…
Descriptors: Elementary School Teachers, Pedagogical Content Knowledge, Faculty Development, Test Validity
School Resources in Teaching Science to Diverse Student Groups: An Intervention's Effect on Elementary Teachers' Perceptions
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Lee, Okhee; Llosa, Lorena; Jiang, Feng; O'Connor, Corey; Haas, Alison – Journal of Science Teacher Education, 2016
Elementary school teachers' perceptions of school resources (i.e., material, human, and social) for teaching science to diverse student groups were examined across three school districts from one state. As part of a 3-year curricular and professional development intervention, we examined the effect on teachers' perceptions after their first year…
Descriptors: Elementary School Teachers, Intervention, Educational Resources, Teacher Attitudes
Fourth-Grade Emergent Bilingual Learners' Scientific Reasoning Complexity, Controlled Experiment Practices, and Content Knowledge When Discussing School, Home, and Play Contexts
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Buxton, Cory A.; Salinas, Ale; Mahotiere, Margarette; Lee, Okhee; Secada, Walter G. – Teachers College Record, 2015
Background: In exploring how emergent bilingual learners' prior knowledge from home and play contexts might influence their scientific reasoning, this study drew upon two distinct research traditions: (a) experimental research from the developmental and cognitive psychology tradition, and (b) research on culturally and linguistically diverse…
Descriptors: Elementary School Students, Bilingual Education, Bilingual Schools, Bilingualism