Décalage in infants' knowledge about occlusion and containment events: Converging evidence from action tasks |
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| Authors: | Susan J. Hespos,René e Baillargeon |
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| Affiliation: | a Psychology and Human Development, Vanderbilt University, Peabody College #512, 230 Appleton Place, Nashville, TN 37203, USA
b Department of Psychology, University of Illinois, 603 E. Daniel Street, Champaign, IL 61820, USA |
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| Abstract: | In the present research, 6-month-old infants consistently searched for a tall toy behind a tall as opposed to a short occluder. However, when the same toy was hidden inside a tall or a short container, only older, 7.5-month-old infants searched for the tall toy inside the tall container. These and control results (1) confirm previous violation-of-expectation (VOE) findings of a décalage in infants' reasoning about height information in occlusion and containment events; (2) cast doubt on the suggestion that VOE tasks overestimate infants' cognitive abilities; and (3) support recent proposals that infants use their physical knowledge to guide their actions when task demands do not overwhelm their limited processing resources. |
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| Keywords: | infants physical reasoning occlusion containment action tasks |
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