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| Classification | 1 |
| Comparative Analysis | 1 |
| Concept Formation | 1 |
| Conservation (Concept) | 1 |
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| Ershler, Joan | 1 |
| Lawton, Joseph T. | 1 |
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Lawton, Joseph T.; Ershler, Joan – 1980
Children aged 2-1/2 to 3-1/2 years in three preschool programs were given a test battery consisting of classification, relations, and conservation tasks. One program (Ausubelian) was formal and two programs (Piagetian and Tradition) were informal. Posttest data for the first year of a three-year longitudinal study indicated significantly superior…
Descriptors: Classification, Comparative Analysis, Concept Formation, Conservation (Concept)
