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Mash, Clay – Infancy, 2007
This study examined infants' use of object knowledge for scaling the manipulative force of object-directed actions. Infants 9, 12, and 15 months of age were outfitted with motion-analysis sensors on their arms and then presented with stimulus objects to examine individually over a series of familiarization trials. Two stimulus objects were used in…
Descriptors: Object Permanence, Infants, Action Research, Scaling
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Bourgeois, Kristine S.; Khawar, Alexa W.; Neal, S. Ashley; Lockman, Jeffrey J. – Infancy, 2005
Although a considerable amount is known about the development of object manipulation during the 1st year, less is known about how infants manually explore surfaces and relate objects to surfaces. To address these issues, 60 infants (20 each at 6, 8, and 10 months of age) were presented hard and soft objects on tabletop surfaces, which varied in…
Descriptors: Object Manipulation, Infants, Tactual Perception, Stimuli