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Peer reviewedWilson, Janice M. – Research in Science Education, 1998
Differences in the status of ontological categories on the concept maps of secondary-, undergraduate- and graduate-level chemistry students were analyzed with the "Pathfinder" scaling algorithm and multidimensional scaling. Results indicate differences among groups in the structural significance of abstract process-related nodes and…
Descriptors: Acids, Chemistry, Cognitive Development, Cognitive Structures
