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Conceptual Boundaries and Distances: Students' and Experts' Concepts of the Scale of Scientific Phenomena
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Tretter, Thomas R.; Jones, M. Gail; Andre, Thomas; Negishi, Atsuko; Minogue, James – Journal of Research in Science Teaching, 2006
To reduce curricular fragmentation in science education, reform recommendations include using common, unifying themes such as scaling to enhance curricular coherence. This study involved 215 participants from five groups (grades 5, 7, 9, and 12, and doctoral students), who completed written assessments and card sort tasks related to their…
Descriptors: Measures (Individuals), Educational Change, Science Education, Science Curriculum
Accuracy of Scale Conceptions in Science: Mental Maneuverings across Many Orders of Spatial Magnitude
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Tretter, Thomas R.; Jones, M. Gail; Minogue, James – Journal of Research in Science Teaching, 2006
The use of unifying themes that span the various branches of science is recommended to enhance curricular coherence in science instruction. Conceptions of spatial scale are one such unifying theme. This research explored the accuracy of spatial scale conceptions of science phenomena across a spectrum of 215 participants: fifth grade, seventh…
Descriptors: Measures (Individuals), Curriculum Development, Science Instruction, Grouping (Instructional Purposes)