Descriptor
| Perceptual Development | 2 |
| Visual Perception | 2 |
| Age Differences | 1 |
| Attention Span | 1 |
| Cognitive Development | 1 |
| Handicapped Children | 1 |
| Infant Behavior | 1 |
| Mental Retardation | 1 |
| Perception Tests | 1 |
| Reaction Time | 1 |
| Responses | 1 |
| More ▼ | |
Source
| Develop Psychol | 2 |
Publication Type
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
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
Spitz, Herman H.; And Others – Develop Psychol, 1970
Contrary to Piaget's predictions, adolescent retardates and 9-year-old normals were more susceptible to the Oppel-Kundt Illusion than high school sophomores and adults. No group differences were found on the Poggendorf Illusion. (MH)
Descriptors: Age Differences, Cognitive Development, Handicapped Children, Mental Retardation
