Descriptor
| Attention Span | 2 |
| Infant Behavior | 2 |
| Visual Perception | 2 |
| Perceptual Development | 1 |
| Reaction Time | 1 |
| Research Methodology | 1 |
| Responses | 1 |
| Visual Stimuli | 1 |
Source
| Develop Psychol | 2 |
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Freedle, Roy; Lewis, Michael – Develop Psychol, 1970
Outlines a method by which observation time as measured by visual fixation on an object in the visual field can be predicted for N items viewed simultaneously in the field when the time for observing each item presented singly is known. (Author/MG)
Descriptors: Attention Span, Infant Behavior, Research Methodology, Visual Perception
McCall, Robert B.; Kagan, Jerome – Develop Psychol, 1970
Results of this study of 72 4-month-old infants suggest caution in using an overt demonstration of habituation as a necessary index of perceptual learning. (Author/MG)
Descriptors: Attention Span, Infant Behavior, Perceptual Development, Reaction Time
