Descriptor
| Chronological Age | 1 |
| Comparative Analysis | 1 |
| Conservation (Concept) | 1 |
| Handicapped Children | 1 |
| Learning Theories | 1 |
| Measurement | 1 |
| Mental Age | 1 |
| Mental Retardation | 1 |
| Stimuli | 1 |
| Verbal Communication | 1 |
Source
| Child Develop | 1 |
Author
| Achenbach, Thomas M. | 1 |
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Achenbach, Thomas M. – Child Develop, 1969
Research supported by NICDH research grant HD-MH-03008.
Descriptors: Chronological Age, Comparative Analysis, Conservation (Concept), Handicapped Children
