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| Cognitive Processes | 2 |
| Infants | 2 |
| Object Permanence | 2 |
| Research | 2 |
| Cognitive Development | 1 |
| Developmental Stages | 1 |
| Egocentrism | 1 |
| Error Patterns | 1 |
| Infant Behavior | 1 |
| Longitudinal Studies | 1 |
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Peer reviewedButterworth, George – Journal of Experimental Child Psychology, 1977
This study tested Piaget's explanation of infants' perseverative error in manual search by comparing searches when the object was (1) hidden, (2) covered but visible, and (3) uncovered. Errors occurred under all three conditions, with conflict at a maximum when the object was hidden. (Author/JMB)
Descriptors: Cognitive Processes, Egocentrism, Error Patterns, Infants
Peer reviewedCampos, Joseph J.; Ramsay, Douglas S. – Developmental Psychology, 1978
Attempts to determine whether infants' performance in two search tasks is related to their entry into Stage 6 of object permanence development (thereby testing Piaget's claim that only Stage 6 infants possess the capacity for representation). (BD)
Descriptors: Cognitive Development, Cognitive Processes, Developmental Stages, Infant Behavior
