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Direct linkAllen, Heather; Park, Soonhye – Science Scope, 2011
The number of students who learn English as a second language (ESL) in U.S. schools has grown significantly in the past decade. This segment of the student population increased by 56% between the 1994-95 and 2004-05 school years (NCLR 2007). As the ESL student population increases, many science teachers struggle to tailor instructional materials,…
Descriptors: Instructional Materials, Science Teachers, English (Second Language), Teaching Methods
Park, Soonhye; Oliver, J. Steve – Journal of Research in Science Teaching, 2008
This study examined how the National Board Certification (NBC) process, especially the portfolio creation, influenced candidate teachers' pedagogical content knowledge (PCK). In a larger sense, this study aimed to construct a better understanding of how teachers develop PCK and to establish ecological validity of the National Board assessments.…
Descriptors: Pedagogical Content Knowledge, Validity, Qualitative Research, Portfolios (Background Materials)
