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Intelligence and Inspection Time in Normal and Mentally Retarded Subjects.
Peer reviewed Peer reviewed
Hulme, Charles; Turnbull, Jennifer – British Journal of Psychology, 1983
Explores the generality of findings relating intelligence to Inspection Time (IT), the exposure necessary to judge which of two lines is longer, in two studies using normal children and mentally retarded adults. Results showed the relationship between IT and performance IQ was lower in the mentally retarded group. (JAC)
Descriptors: Adults, Cognitive Processes, Elementary Education, Foreign Countries
Family History of Cognitive Disabilities in First-Degree Relatives of Autistic and Mentally Retarded Children.
Peer reviewed Peer reviewed
Boutin, Pierrette; And Others – Journal of Autism and Developmental Disorders, 1997
A Canadian study compared the rate of cognitive disabilities in 156 relatives of 49 individuals with autism to that found in 55 relatives of 18 individuals with mental retardation. No differences were found; however, female and low IQ individuals were found to have higher family histories of cognitive disabilities. (Author/CR)
Descriptors: Adults, Autism, Cognitive Ability, Family Characteristics
The Study of Life Review. An Approach to the Investigation of Intellectual Development across the Life Span. Studien und Berichte 47.
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)
Working Memory, Intelligence and Knowledge Base in Adult Persons with Intellectual Disability.
Peer reviewed Peer reviewed
Numminen, H.; Service, E.; Ruoppila, I. – Research in Developmental Disabilities, 2002
A study explored working memory (WM) capacity, WM task requirements, as well as effects between WM, skills, knowledge base, and intelligence in adults with mental retardation and children aged 3-6 years. Adults were better on measures reflecting skills and knowledge base. Children performed better in phonological and visuo-spatial WM tasks.…
Descriptors: Adults, Cognitive Development, Cognitive Processes, Foreign Countries