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Bertenthal, Bennett I.; Gredeback, Gustaf; Boyer, Ty W. – Child Development, 2013
Sixty infants divided evenly between 5 and 7 months of age were tested for their knowledge of object continuity versus discontinuity with a predictive tracking task. The stimulus event consisted of a moving ball that was briefly occluded for 20 trials. Both age groups predictively tracked the ball when it disappeared and reappeared via occlusion,…
Descriptors: Infants, Cognitive Development, Eye Movements, Prediction
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Baillargeon, Renee; DeVos, Julie – Child Development, 1991
Observed the reactions of 3.5-month-old infants looking at a carrot that should have but did not appear in a window after passing behind a screen. The results of this and several similar experiments indicated that 3.5-month-old infants are able to represent and reason about hidden objects. (BC)
Descriptors: Age Differences, Cognitive Development, Cognitive Processes, Concept Formation