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| Wellman, Henry M. | 2 |
| Phillips, Ann T. | 1 |
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Peer reviewedSophian, Catherine; Wellman, Henry M. – Journal of Experimental Child Psychology, 1983
Experiment one tested 9- and 16-month-old children on a modification of Piaget's Stage IV object permanence task, examining infants' use of information from previous experiences with an object and from a recent hiding to locate a hidden object. In experiment two, two-, two-and-a-half-, and four-year-old children additionally received verbal…
Descriptors: Age Differences, Cognitive Ability, Cognitive Development, Cognitive Processes
Peer reviewedPhillips, Ann T.; Wellman, Henry M.; Spelke, Elizabeth S. – Cognition, 2002
Examined in four studies whether and when infants connect information about an actor's affect and perception to their action. Found that 12-month-olds, but not 8-month-olds, recognized that an actor was likely to grasp the object she had visually regarded with positive affect. Replicated findings with 12- and 14-month-olds and with several…
Descriptors: Affective Behavior, Age Differences, Cognitive Development, Emotional Response
