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Denney, Nancy Wadsworth – Child Development, 1972
The most significant finding is that classification according to complete similarity not only occurs much earlier than reported by Inhelder and Piaget, but also does not follow the developmental course reported by Inhelder and Piaget. (Author)
Descriptors: Classification, Cluster Grouping, Cognitive Development, Developmental Psychology
Walden, Toini A. – 1974
This study was designed (1) to determine differences in classificatory skills of low socioeconomic status children under intervention and non-intervention conditions; (2) to determine differences in classification skills of bilingual, biliterate, and monolingual students; and (3) to study differences in classificatory skills as a function of age.…
Descriptors: Age Differences, Bilingual Students, Classification, Cluster Grouping