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A Genetic Analysis of Brain Volumes and IQ in Children
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van Leeuwen, Marieke; Peper, Jiska S.; van den Berg, Stephanie M.; Brouwer, Rachel M.; Hulshoff Pol, Hilleke E.; Kahn, Rene S.; Boomsma, Dorret I. – Intelligence, 2009
In a population-based sample of 112 nine-year old twin pairs, we investigated the association among total brain volume, gray matter and white matter volume, intelligence as assessed by the Raven IQ test, verbal comprehension, perceptual organization and perceptual speed as assessed by the Wechsler Intelligence Scale for Children-III. Phenotypic…
Descriptors: Twins, Intelligence Tests, Intelligence Quotient, Brain
Children's Production on Verbal and Non-Verbal Fluency Tasks.
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Regard, Marianne; And Others – Perceptual and Motor Skills, 1982
Children aged 6 to 13 years were given verbal and nonverbal fluency tasks and block design subtests of the Wechsler Intelligence Scale for Children-Revised. Results, providing normative data, showed that fluency tasks are age-, but not sex-dependent, and are modestly correlated to one another. (Author/CM)
Descriptors: Age, Children, Clinical Diagnosis, Cognitive Processes
The Effects of Familiarity and Positive Verbal Reinforcement on Selected WISC-R Subtest Performance of Black Urban Children Who Performed at a Low Level on the Quick Test.
Agard, Claire N. – 1984
The study examined the efficacy of familiarity and positive verbal reinforcement in improving intelligence test scores of 48 third-graders who were low scorers on a previous test. The Quick Test was used to screen subjects, with a 90 IQ score being the criterion for inclusion in the study. Subjects were randomly assigned to one of four groups. The…
Descriptors: Analysis of Variance, Aptitude Tests, Black Youth, Examiners