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Smith, Linda B. – Child Development, 1979
Investigated the development of classificatory organization. Two experiments examined age differences in children's spontaneous extensions of a classification and a third examined children's extensions under hypothesis-testing instructions. (JMB)
Descriptors: Age Differences, Classification, Elementary Education, Elementary School Students
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Smith, Linda B. – Journal of Experimental Psychology: Human Perception and Performance, 1981
The hypothesis that overall-similarity relations structure both adults' and children's classifications of heterogeneous objects (objects that differ in a variety of ways) was supported in two experiments. When objects varied simultaneously on many dimensions, adults and children constructed classifications that maximized within-category similarity…
Descriptors: Classification, Cognitive Development, Cognitive Processes, Dimensional Preference
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Aschkenasy, Jeannie R.; Odom, Richard D. – Journal of Experimental Child Psychology, 1982
Investigates the effects of predisposed and distinctiveness-based salience on children's classifications in 96 preschoolers and fifth graders given a classification task designed to reflect a developmental shift from integral to separable perception. (Author/MP)
Descriptors: Age Differences, Classification, Cognitive Processes, Elementary Education
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Bergeron, Betty S.; Barrow, Lloyd H. – Science and Children, 1983
Describes a series of exercises designed to develop student's perceptual skills and to improve the processes of comparing, describing, and developing subsets. Includes suggestions for adapting the exercises into science lessons, providing tips for developing each into complete units. Units include human-made objects, leaves, shells, rocks, and…
Descriptors: Classification, Cognitive Development, Cognitive Processes, Elementary Education
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Sagi, Abraham – Perceptual and Motor Skills, 1979
Findings of this Israeli study suggest that perception is affected by lables, learning, and selective attention; that these effects are determined developmentally; and that as age increases, the effects of verbal cues diminish, while the effects of perceptual cues increase. (Author/DLS)
Descriptors: Age Differences, Attention, Child Development, Classification
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Cook, Gregory L.; Odom, Richard D. – Journal of Experimental Child Psychology, 1988
Two experiments investigated perceptual primacy of dimensional and similarity relations in stimulus classifications of younger and older subjects. Results support a differential-sensitivity view of perceptual development which asserts that individuals at all ages primarily perceive and use separate relations. (RWB)
Descriptors: Age Differences, Classification, Comparative Testing, Early Childhood Education
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Gattuso, Bea; And Others – Journal of Experimental Child Psychology, 1991
Explored the notion that children's difficulty in reading is a sign of a general inability to selectively attend to parts of perceptual wholes. Children and adults classified triads of spoken syllables and visual objects. Classification of speech was related to reading and spelling ability, but not to classification of visual stimuli. (BC)
Descriptors: Auditory Discrimination, Auditory Stimuli, Classification, College Students