Descriptor
| Age | 1 |
| Age Differences | 1 |
| Elementary School Students | 1 |
| Intelligence | 1 |
| Perceptual Development | 1 |
| Responses | 1 |
| Tables (Data) | 1 |
| Visual Perception | 1 |
Source
| Child Development | 1 |
Author
| Hartmann, Donald P. | 1 |
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Peer reviewedHartmann, Donald P.; And Others – Child Development, 1972
Although Ss underestimated the size of the illusion in the predicted direction, no significant correlations between size of illusion and either age or IQ were found. (Authors)
Descriptors: Age, Age Differences, Elementary School Students, Intelligence
