Descriptor
| Adolescent Development | 1 |
| Cognitive Development | 1 |
| Cognitive Processes | 1 |
| Concept Formation | 1 |
| Conservation (Concept) | 1 |
| Grade 3 | 1 |
| Grade 6 | 1 |
| Grade 9 | 1 |
Source
| Developmental Psychology | 1 |
Author
| Brainerd, Charles J. | 1 |
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Peer reviewedBrainerd, Charles J. – Developmental Psychology, 1971
In general, this cross-sectional validation study supports Inhelder and Piaget's claims about the development of concepts of volume and density more easily than younger subjects. (Author/WY)
Descriptors: Adolescent Development, Cognitive Development, Cognitive Processes, Concept Formation
