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Garrard, Kay R. – Journal of Childhood Communication Disorders, 1986
Mothers' use of true (non-controlling) and limiting (controlling) questions with 26 developmentally delayed and 26 nondelayed preschool children were examined. More true questions were asked with 4- than 2-year-olds, and with nondelayed than delayed children. Limiting questions decreased as nondelayed children grew older, but increased as delayed…
Descriptors: Age Differences, Developmental Disabilities, Developmental Stages, Intelligence Differences
Peer reviewed Peer reviewed
Hoppe, Carl F.; Loevinger, Jane – Journal of Personality Assessment, 1977
Self and peer evaluations and experimental measures of conformity were given to 107 adolescent private school boys. Student discipline records also indicated the number of demerits. The self-report measures and the demerits showed maximum conformity between the self-protective and conscientious ego stages as measured by the Sentence Completion…
Descriptors: Adolescents, Age Differences, Conformity, Developmental Stages
Peer reviewed Peer reviewed
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
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
Staudinger, Ursula M. – 1989
A study looked for age differences in the quality of responses to the Life Review Task (LRT), studied the LRT itself as a tool for exploring wisdom and intellectual functioning in adulthood, and considered personality characteristics and life experience as alternative predictors of response quality. Sixty-three West German women of different ages…
Descriptors: Ability Identification, Adults, Age Differences, Aging (Individuals)
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