Descriptor
| Cognitive Development | 1 |
| Cognitive Processes | 1 |
| Difficulty Level | 1 |
| Infant Behavior | 1 |
| Light | 1 |
| Responses | 1 |
| Visual Perception | 1 |
| Visual Stimuli | 1 |
Source
| J Exp Child Psychol | 1 |
Author
| Haith, Marshall M. | 1 |
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Haith, Marshall M.; and others – J Exp Child Psychol, 1969
Preparation of this paper supported by U.S. Public Health Grant HD-0890, a grant from the Carenegie Corporation, and by U.S. Public Health Grant HD-2680.
Descriptors: Cognitive Development, Cognitive Processes, Difficulty Level, Infant Behavior
