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Zvoch, Keith; Holveck, Susan; Porter, Lorna – Research in Science Education, 2021
This mixed-methods study was designed to compare the learning gains of seventh-grade students (N = 417) taught a 4-week conceptual change unit on density using either a student-centered, guided inquiry-based approach or a more direct, teacher-centered instructional strategy. Application of a multilevel model to data obtained from the…
Descriptors: Concept Teaching, Concept Formation, Scientific Concepts, Instructional Effectiveness
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Soysal, Yilmaz; Yilmaz-Tuzun, Ozgul – Research in Science Education, 2021
This study investigated science classroom discourse in terms of the types of teacher discursive moves (TDMs) and the relationships between the types of TDMs and student-led cognitive contributions in different science concepts by considering the classroom context. An experienced seventh-grade science teacher and her 19 students were engaged in…
Descriptors: Middle School Teachers, Video Technology, Science Instruction, Classroom Environment