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The Performance of Cultural-Familial Retardates on Conservation Tasks
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Lesser, Harvey; And Others – Journal of Genetic Psychology, 1978
Compared the performance of 29 institutionalized cultural-familial mental retardates on Piagetian conservation tasks. Examined the effects of age, sex, and degree of retardation on conservation performance. (BD)
Descriptors: Age Differences, Cognitive Development, Conservation (Concept), Developmental Stages
Musings: Gifted Children and the Gift of Friendship.
Gross, Miraca U. M. – Understanding Our Gifted, 2002
A study of 700 children (ages 5-12) investigated whether children's conceptions of and expectations of friendship are determined by chronological age or by mental age. Results found children of differing intellectual abilities pass through the five conception stages of friendship at different ages and at different rates. (Contains 4 references.)…
Descriptors: Age Differences, Cognitive Development, Developmental Stages, Elementary Education
Gender-Related Differences in Intelligence: Application of Confirmatory Factor Analysis.
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Lim, Tock Keng – 1993
Confirmatory Factor Analysis was used to test first- and second-order factor models on cognitive abilities and their invariance across male and female samples. Subjects were a stratified random sample of 234 male and 225 female 15-year-old students in Singapore attending Secondary 3 (the equivalent of grade 9). Four first-order factors were found…
Descriptors: Cognitive Ability, Developmental Stages, Factor Structure, Females
Adolescent Judgement in Relation to Situations Involving Change.
Crowther, E. M. – CORE: Collected Original Resources in Education, 1978
Adolescents, ages 11-12 and 13-14, were tested for maturity of judgment about stability-change situations and about time perspective. (CP)
Descriptors: Adolescents, Age Differences, Cognitive Development, Cognitive Processes