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Livingston, Kenneth R.; Andrews, Janet K. – Developmental Science, 2005
After learning to categorize a set of alien-like stimuli in the context of a story, a group of 5-year-old children and adults judged pairs of stimuli from different categories to be less similar than did groups not learning the category distinction. In a same-different task, the learning group made more errors on pairs of non-identical stimuli…
Descriptors: Stimuli, Young Children, Adults, Concept Formation