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Chang, Shu-Nu – Journal of Biological Education, 2007
The purpose of this study is to use concept maps as an "expressed model" to investigate students' mental models regarding the homeostasis of blood sugar. The difficulties in learning the concept of homeostasis and in probing mental models have been revealed in many studies. Homeostasis of blood sugar is one of the themes in junior high…
Descriptors: Constructivism (Learning), Concept Mapping, Interviews, Biology
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Bischoff, Paul J.; Anderson, O. Roger – Journal of Biological Education, 2001
Interviews 9th and 10th grade students (n=13) who studied an ecology unit and analyzed tape-recorded data for changes in organization of knowledge, represented by ideational networks and the development of higher cognitive operations. Provides insights into how students developed knowledge schemata, ideational networks, and the capacity to express…
Descriptors: Cognitive Processes, Cognitive Structures, Concept Formation, Concept Mapping