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Peer reviewedNovack, Thomas A.; Richman, Charles L. – Child Development, 1980
Tests the effects of stimulus variability on overgeneralization and overdiscrimination errors in children and adults. The subjects (n=64), adults and five-, seven-, and nine-year-old children, participated in a visual discrimination task. (CM)
Descriptors: Age Differences, Children, College Students, Discrimination Learning
Download full textBecker, Judith A.; Perlmutter, Marion – 1980
This study, which indicates that both age and variation in training affect children's concept formation, provides a basis for explaining the effect of age. Sixty-four 4- and 5-year-olds learned three novel concepts (animal-like, plant-like, and machine-like). Subjects were presented with either four different examples of each concept (multiple…
Descriptors: Age Differences, Concept Formation, Discrimination Learning, Pictorial Stimuli
Peer reviewedSmeets, 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
