Abstract
Adults and children made lightness judgments of targets in light and in shadow when the targets were presented singly and mounted together on a chart. The adults showed greater constancy than the children when the targets were presented simultaneously on a chart. Presented singly, however, the differences between the adults and the children were not statistically reliable. These results indicate the importance of the cues in the perceptual situation in relation to developmental differences in lightness perception.
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This research was supported by NSF Grants GB-1521 and GB-2901 to the Psychological Laboratories, Harvard University, and by a Grant from the Carnegie Corporation to the Center for Cognitive Studies, Harvard University.
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Beck, J. Age differences in lightness perception. Psychon Sci 4, 201–202 (1966). https://doi.org/10.3758/BF03342249
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DOI: https://doi.org/10.3758/BF03342249