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| Cognitive Development | 2 |
| Concept Formation | 2 |
| Educational Research | 2 |
| Science Education | 2 |
| Sequential Learning | 2 |
| Abstract Reasoning | 1 |
| Cognitive Ability | 1 |
| Developmental Psychology | 1 |
| Elementary Secondary Education | 1 |
| Instruction | 1 |
| Learning Processes | 1 |
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| Science Education | 2 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedWollman, Warren – Science Education, 1977
Defines five levels between concrete and formal operation in the development of the concept of controlling variables. The sample, methodology and research on which the work is based is described in SE 519 500. (CP)
Descriptors: Abstract Reasoning, Cognitive Development, Concept Formation, Developmental Psychology
Peer reviewedRowell, J. A.; Dawson, C. J. – Science Education, 1980
Reported is the production of an instructional methodology harmonizing with Piagetian theory and enabling teenage students, including those initially mismatched to the task, to understand the mole, as revealed by their performances on a test of basic skills considered fundamental to that concept. (DS)
Descriptors: Cognitive Ability, Cognitive Development, Concept Formation, Educational Research
