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Brown, Lynn – Child Develop, 1969
Research supported by research grant MH-03008 from NIMH, U.S. Public Health Service.
Descriptors: Age Differences, Child Development, Discrimination Learning, Problem Solving
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McHugh, Louise; Reed, Phil – Journal of the Experimental Analysis of Behavior, 2007
Stimulus overselectivity refers to the phenomenon whereby stimulus control over behavior is exerted only by a limited subset of the total number of stimuli present during discrimination learning. It often is displayed by individuals with autistic spectrum disorders or learning disabilities, but is not exclusive to those groups. The present studies…
Descriptors: Learning Disabilities, Autism, Discrimination Learning, Age Differences
Peer reviewed Peer reviewed
Smeets, Paul M.; Barnes-Holmes, Dermot; Roche, Bryan – Journal of Experimental Child Psychology, 2001
Trained preschoolers and adults on three sets of successive discriminations with stimuli labeled A, B, and R. Tested for derived stimulus-response relations and stimulus-stimulus relations. Adults displayed class-consistent B-R and A-B performances over all conditions. Children's display of class-consistent B-R performance varied by training…
Descriptors: Adults, Age Differences, Concept Formation, Discrimination Learning
Peer reviewed Peer reviewed
Markson, Lori; Thompson, Laura A. – Journal of Experimental Child Psychology, 1998
Two experiments explored the nature of perceptual development in 5- and 10-year olds and adults. The primary finding was that preassessed salience significantly influenced 5-year olds' ability to discriminate two objects, while salience did not affect 10-year olds' or adults' response times. Results showed that salience effects in perceptual…
Descriptors: Adults, Age Differences, Attention, Children