With just one exception, all of the volumes in Terman's Genetic Studies of Genius report the results of a longitudinal study of more than a thousand intellectually gifted children. That single exception is Volume II, Cox's single-authored "The Early Mental Traits of Three Hundred Geniuses," which instead was a retrospective study of 301…

Structural equation modeling (SEM) was used to examine the development of intellectual functioning in 145 school-age pairs of siblings. Each pair included one child with Fragile X syndrome (FXS) and one unaffected sibling. All pairs of children were evaluated on the Wechsler Intelligence Scale for Children-Third Edition (WISC-III) at time 1 and 80…

A study was conducted on lower income population women who were moderate users of marijuana to examine the effects of prenatal marijuana exposure on children's intellectual development at the age of six. Results concluded that the Cognitive deficits noticed at the age of six were specific to verbal and quantitative reasoning and short-term memory.

Increased frequency and higher magnitude of correlations for siblings and the stability over time of the correlations among the data for siblings underscore the possibility of a genetic basis for the similarity of intellectual functioning among siblings. (Author)

Children were tested on the WPPSI and Stanford-Binet and after three years they were tested on the WISC. Results indicate that the WISC scores were significantly higher than the two other tests. The results of the various subtests of the three tests are compared and discussed. (SE)

We examine whether children with early unilateral brain injury show an IQ decline over the course of development. Fifteen brain injured children were administered an IQ test once before age 7 and again several years later. Post-7 IQ scores were significantly lower than pre-7 IQ scores. In addition, pre-7 IQ scores were lower for children with…

All children have intelligence in varying degrees in various abilities; Structure of Intellect (SOI) Institute tests diagnose those abilities successfully in gifted, deaf, retarded, aphasic and all ethnic groups. With a database of thousands of student test responses, materials are developed to prepare children for the future. (NEC)

This special issue is devoted to the cultural-historical school of thought about mental development based on the work of Lev Vygotsky. The research of Vygotsky addressed the sociocultural basis of higher-level cognitive functions, and ascribed an influential role to human speech and other mediational tools in originating changes in cognition and…

Findings do not reveal clinically significant differences between intellectually delayed and primary reading disabled children. Further exploration into cognitive and learning processes that relate more specifically to the child's difficulties is recommended. (Author)

The third edition of the Wechsler Intelligence Scale for Children (WISC-III) is reviewed. A comparison of the WISC-III with the Weschler Intelligence Scale for Children-Revised (WISC-R) is included. Discusses shortcomings of the WISC-III while noting that overall, there are substantial improvements in the WISC-III over the WISC-R. (KW)

Analyzed and compared to other disability groups were patterns of intellectual functioning in 120 institutionalized boys 10- to 15-years-old. (CL)

Confirmatory analyses on the Hong Kong Wechsler Intelligence Scale for Children (HK-WISC) provided support for composite score interpretation based on the two- and three-dimensional models across age levels. Test sample was comprised of 1,100 children, ranging in age from 5 to 15 years at all 11 age levels specified by the HK-WISC. (KW)

Reviews the literature on the relationship between schooling, IQ, and the cognitive processes presumed to underpin IQ. The data suggest the importance of quantity of schooling for IQ. Schooling fosters the development of cognitive processes that underpin performance on IQ tests. This development is unrelated to the quality of schools. (BC)

Several themes relevant to the personality development and intellectual functioning of children are presented in this position paper. Inferences for the education of Nigerian children are also drawn. Among general factors considered influential in children's intellectual development, three are emphasized: the way in which intelligence is defined,…

Reviews findings on the predictive validity of psychometric tests of intelligence. Concludes that conventional tests of intelligence can be useful but only if they are interpreted very carefully, taking into account the factors that can affect them, and in conjunction with other measures. (Author)