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Peer reviewedWavering, Michael J.; And Others – Journal of Research in Science Teaching, 1986
Performance on five logical, spatial, and formal tasks was used to make inferences about the reasoning structures of 101 middle and high school students. Findings (obtained during interviews) include grade level differences in performance and sex differences in performance on one of the tasks. Implications for instruction are proposed. (Author/JN)
Descriptors: Cognitive Processes, Cognitive Structures, Elementary School Science, Intermediate Grades
Peer reviewedNoh, Taehee; Scharmann, Lawrence C. – Journal of Research in Science Teaching, 1997
Describes a study that explores the instructional influence of presenting pictures at the molecular level when introducing chemistry concepts and solving chemistry problems. Explores the effect of the pictures on students' conceptions and problem-solving abilities. Contains 59 references. (DDR)
Descriptors: Algorithms, Analysis of Covariance, Chemistry, Cognitive Structures
