Descriptor
| Age Differences | 1 |
| Cognitive Processes | 1 |
| Contrast | 1 |
| Data Analysis | 1 |
| Perceptual Development | 1 |
| Psychological Studies | 1 |
| Responses | 1 |
| Visual Discrimination | 1 |
| Visual Stimuli | 1 |
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| Developmental Psychology | 1 |
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Peer reviewedWeintraub, Daniel J.; Cooper, Lynn A. – Developmental Psychology, 1972
Testing Pollack's hypothesis that decreases in effective contour contrast (resulting from a decrease in receptor sensitivity with age or from a change in actual stimulus contrast) lead to decreases in illusion magnitude. Conclusions are questioned by Sjostrom and Pollack (PS 501 740). (Author/MB)
Descriptors: Age Differences, Cognitive Processes, Contrast, Data Analysis
