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Piagetian Theory	2
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Journal of Research in…

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Adey, Philip S.	1
Marek, Edmund A.	1
Shayer, Michael	1
Westbrook, Susan L.	1

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A Cross-Age Study of Student Understanding of the Concept of Homeostasis.

Peer reviewed

Westbrook, Susan L.; Marek, Edmund A. – Journal of Research in Science Teaching, 1992

The conceptual views of homeostasis held by students (n=300) in seventh grade life science, tenth grade biology, and college zoology were examined. A biographical questionnaire, the results from two Piagetian-like developmental tasks, and a concept evaluation statement of homeostasis were collected from each student. Understanding of the concept…

Descriptors: Biology, Cognitive Development, Concept Formation, Developmental Stages

Accelerating the Development of Formal Thinking in Middle and High School Students II: Postproject Effects on Science Achievement.

Peer reviewed

Shayer, Michael; Adey, Philip S. – Journal of Research in Science Teaching, 1992

A 1-year lag was found between the effect of an intervention intended to promote formal operational thinking in students initially 11 or 12 years of age and the appearance of substantial science achievement in the experimental groups. A one-year lag on cognitive development and an age/gender interaction were also reported. (Author/KR)

Descriptors: Cognitive Ability, Cognitive Development, Cognitive Style, Critical Thinking