Descriptor
| Age Differences | 1 |
| Cognitive Processes | 1 |
| Mental Retardation | 1 |
| Performance Factors | 1 |
| Predictive Validity | 1 |
| Responses | 1 |
| Sensory Experience | 1 |
| Time | 1 |
| Visual Perception | 1 |
Source
| Perceptual and Motor Skills | 1 |
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Peer reviewedSpitz, Herman H.; Webreck, Cindy A. – Perceptual and Motor Skills, 1971
Descriptors: Age Differences, Cognitive Processes, Mental Retardation, Performance Factors
