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Sommerville, Jessica A.; Woodward, Amanda L. – Infancy, 2005
Current work has yielded differential findings regarding infants' ability to perceptually detect the causal structure of a means-end support sequence. Resolving this debate has important implications for perception-action dissociations in this domain of object knowledge. In Study 1, 12-month-old infants' ability to perceive the causal structure of…
Descriptors: Models, Infants, Perceptual Development, Habituation
Kloos, Heidi; Keen, Rachel – Infancy, 2005
Toddlers show a surprising lack of knowledge about solidity when they are asked to search for a ball that rolled behind a screen and stopped at a barrier whose top was visible above the screen. They search incorrectly, failing to take into account the position of the barrier. This study examined details of this failure by simplifying the task in 2…
Descriptors: Toddlers, Prediction, Perceptual Development, Task Analysis