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Direct linkMaerten-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
Measurement Instruction in the Context of Scientific Investigations with Diverse Student Populations
Adamson, Karen; Secada, Walter; Maerten-Rivera, Jaime; Lee, Okhee – School Science and Mathematics, 2011
The purpose of this study was to investigate the impact of a hands-on science curriculum, which integrates mathematics and supports English language development, on third-grade students' mathematics achievement--specifically the measurement subscale of the statewide assessment. The data drew from a larger five-year research and development project…
Descriptors: Hands on Science, Elementary School Science, Integrated Curriculum, Science Instruction
Adamson, Karen; Santau, Alexandra; Lee, Okhee – Journal of Science Teacher Education, 2013
This study examined elementary teachers' instructional strategies for promoting scientific understanding and inquiry and supporting English language development with diverse student groups including English language learners. The study was part of a 5-year research and development project consisting of reform-based science curriculum units and…
Descriptors: Elementary School Teachers, Grade 3, Grade 4, Grade 5
Lewis, Scott; Maerten-Rivera, Jaime; Adamson, Karen; Lee, Okhee – School Science and Mathematics, 2011
The study examined relationships among key domains of science instruction with English language learning (ELL) students based on teachers' perceptions of their classroom practices (i.e., what they think they do) and actual classroom practices (i.e., what they are observed doing). The four domains under investigation included: (1) teachers'…
Descriptors: Teacher Characteristics, Second Language Learning, Grade 3, Science Instruction
Lee, Okhee; Adamson, Karen; Maerten-Rivera, Jaime; Lewis, Scott; Thornton, Constance; LeRoy, Kathryn – Journal of Science Teacher Education, 2008
Our 5-year professional development intervention is designed to promote elementary teachers' knowledge, beliefs, and practices in teaching science, along with English language and mathematics for English Language Learning (ELL) students in urban schools. In this study, we used an end-of-year questionnaire as a primary data source to seek teachers'…
Descriptors: Urban Schools, Mathematics Education, Intervention, Science Achievement
Lee, Okhee; Lewis, Scott; Adamson, Karen; Maerten-Rivera, Jaime; Secada, Walter G. – Science Education, 2008
This study examined urban elementary teachers' knowledge and practices in teaching science while supporting English language development of English language learning (ELL) students. As part of a larger 5-year research project in the United States, the study involved 38 third-grade teachers who participated in the first-year implementation of a…
Descriptors: Intervention, Teacher Characteristics, Second Language Learning, Teacher Workshops
