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Thomas, Hoben – Journal of Experimental Child Psychology, 1989
Individual differences in children's performance on a classification task are modeled by a two component binomial mixture distribution. The model accounts for data well, with variance accounted for ranging from 87 to 95 percent. (RJC)
Descriptors: Children, Classification, Cognitive Development, Individual Differences
Peer reviewed Peer reviewed
Waxman, Sandra R.; And Others – Journal of Experimental Child Psychology, 1989
Compared 40 3-year-olds' superordinate level classification under 2 experimental conditions. Although there was no mean difference between the 2 conditions, there were striking differences in the distribution of scores. (RJC)
Descriptors: Classification, Cognitive Development, Comparative Analysis, Contrast
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Rabinowitz, F. Michael; Howe, Mark L.; Saunders, Kelly – Journal of Experimental Child Psychology, 2002
This study examined effects of individual differences in speak-span scores and variations in memory demands on class-inclusion performance of 10-, 13-, and 15-year-olds. Results from regression analyses and the mathematical model indicated that differences in age, speak span, and memory load affected performance. Effects of speak span and memory…
Descriptors: Age Differences, Children, Classification, Cognitive Development
Peer reviewed Peer reviewed
Gutheil, Grant; Gelman, Susan A. – Journal of Experimental Child Psychology, 1997
Three studies examined the ability of 8- and 9-year-olds and young adults to use sample monotonicity and diversity information according to the similarity-coverage model of category-based induction. Found that children's difficulty with this information was independent of category level, and may be based on preferences for other strategies…
Descriptors: Age Differences, Children, Classification, Cognitive Development