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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
