A meta-analysis was conducted to examine the construct validity of language aptitude by synthesizing the existing research that has been accumulated over the past five decades. The study aimed to provide a thorough understanding of the construct by aggregating the data reported in the primary research on its correlations with other individual…

Examines "g supposition"--that general cognitive ability (g) is sufficient as descriptor of work-relevant abilities. Reviews 34 studies and reports new research on relevance of 14 cognitive and noncognitive abilities to 6 job clusters. Studies cited and reported indicated that "g" is insufficient as descriptor of work-relevant abilities.…

Studies reporting predictions from assessments of infant recognition memory to later developmental performance and IQ are critiqued. Inelegancies in design, procedure, and analyses are noted. While this approach may have potential, its utility for practical or clinical purposes is still not demonstrated. (Author/RD)

Psychometric theory has been one of psychology's stronger foundations and a major contributor to the recognition of psychology as a scientific discipline. Basic principles of psychometric theory led to the development of respected intelligence tests and large and comprehensive testing and assessment programs. This paper synthesizes major…

Part of a special issue on adaptive behavior, the article reviews adaptive behavior research in areas which include the relationship between adaptive behavior and intelligence and school achievement, relationship between different measures of adaptive behavior, predictive aspects, declassification, group differences in adaptive behavior,…

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)