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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
Recall and Recognition of Order and Item Information in Probed Running Memory, as a Function of IQ.
Peer reviewed Peer reviewed
Cohen, Ronald L.; Gowen, Anne – Intelligence, 1978
Two experiments examined whether correlations between IQ and probed serial running memory depend on IQ-related individual differences in the retention of order information in short-term memory. Children's IQ correlated with memory, regardless of whether instructions emphasized serial or free recall; and with recent item but not recent order…
Descriptors: Cognitive Processes, Elementary Education, Foreign Countries, Individual Differences
Modality-Specific Information Processing and Intellectual Ability.
Peer reviewed Peer reviewed
Jarman, Ronald F. – Intelligence, 1980
Children, below- and above-average intelligence, were administered tasks involving matching information between auditory/visual modalities and temporal/spatial presentations. The below-average group made more errors and matching problems were not particular to one modality. Factor analyses did suggest that matching processes varied with level of…
Descriptors: Auditory Stimuli, Cognitive Processes, Foreign Countries, Grade 3
The Flynn Effect: Smarter Not Faster
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Nettelbeck, Ted; Wilson, Carlene – Intelligence, 2004
Inspection time (IT) and Peabody Picture Vocabulary Test (PPVT) scores from 75 school children aged 6-13 years in 2001 were compared with the performances of 70 children aged 6-13 years who had attended the same primary school in 1981 ["J. Exp. Child Psychol." 40 (1985) 1.]. ITs for the 2001 sample were measured with the same four-field…
Descriptors: Vocabulary Skills, Reaction Time, Intelligence Quotient, Intelligence Tests
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
Intelligence in Hong Kong Measured for Spearman's "g" and the Visuospatial and Verbal Primaries.
Peer reviewed Peer reviewed
Lynn, Richard; And Others – Intelligence, 1988
Major visuospatial and verbal abilities were assessed for 197 10-year-olds in Hong Kong and 170 10-year-olds in the United Kingdom. The Hong Kong subjects resembled their Japanese counterparts in having high Searman's "g," exhibiting abstract reasoning ability, high spatial ability, high perceptual speed, and low word fluency. (SLD)
Descriptors: Abstract Reasoning, Children, Cognitive Processes, Comparative Analysis
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