Descriptor
| Age Differences | 1 |
| Conservation (Concept) | 1 |
| Cross Cultural Studies | 1 |
| Developmental Psychology | 1 |
| Developmental Tasks | 1 |
| Elementary School Students | 1 |
| Foreign Countries | 1 |
| Rural Urban Differences | 1 |
| Serial Ordering | 1 |
Source
| Child Development | 1 |
Author
| Dean, Anne | 1 |
| Youniss, James | 1 |
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Peer reviewedYouniss, James; Dean, Anne – Child Development, 1974
Descriptors: Age Differences, Conservation (Concept), Cross Cultural Studies, Developmental Psychology
