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| Cognitive Development | 1 |
| Developmental Tasks | 1 |
| Infant Behavior | 1 |
| Infants | 1 |
| Learning Theories | 1 |
| Longitudinal Studies | 1 |
| Perceptual Development | 1 |
| Research Design | 1 |
| Responses | 1 |
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| Gratch, Gerald | 1 |
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| Speeches/Meeting Papers | 1 |
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Gratch, Gerald – 1975
This paper describes a series of longitudinal experiments which dealt with the development of object awareness in infants, ages 6-18 months. The experiments were designed to document and evaluate Piaget's account of this development. The studies focused on two types of phenomena: (1) when infants first find an object hidden in one place, they will…
Descriptors: Cognitive Development, Developmental Tasks, Infant Behavior, Infants


