Ella Butterfield

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R.S. Siegler (1981, Monographs of the Society for Research in Child Development, 46 C2, Serial No. 189) has shown that performance on several Piagetian tasks is governed by similar rule structures. The purpose of the first study was to extend his analysis to the inclined-plane task, replicate his original observations about development on the balance-scale(More)
Twice a week observation of five infants' vocalizations during the first 30 weeks of life showed that hearing impaired infants displayed different language patterns than normally hearing infants. Developmental differences in vocal activity were observed by six weeks of age, suggesting that hearing impaired infants may differ from unimpaired infants earlier(More)
Previous work on children's problem solving was extended by directly comparing the strategies of intellectually gifted, average, and mentally retarded children on 2 two-dimensional integration problems--the balance scale and inclined plane. Comparisons of the distributions of strategies for each group showed that most gifted children integrated dimensional(More)
Normalization is an ideology of human services based on the proposition that the quality of life increases as one's access to culturally typical activities and settings increases. Applied t o individuals who are mentally retarded, normalization fosters deinstitutionalization and the development of community-based living arrangements. Closely allied with(More)
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