Appropriate interpretation of assessment data requires an appreciation that tools are subject to measurement error. School psychologists recognize, at least on an intellectual level, that measures are imperfect--that test scores and other quantitative measures (e.g., rating scales, systematic behavioral observations) are best estimates of…

This article analyses research of theories and models of intelligence. It examines current developments in intelligence research, covering the formation of more complex and diverse intelligence theories. First, the article examines some of the widely used aptitude/intelligence tests include, such Stanford-Binet Intelligence Quotient, Wechsler…

The K-ABC purports to be a fresh alternative to standardized measures of intellectual functioning, by virtue of separating measurement of acquired factual knowledge from measurement of the ability to solve novel problems. Some researchers have questioned this claim to the capability of distinguishing aptitude and achievement. By analyzing the…

This study investigated sex differences on the Wechsler Intelligence Scale for Children-Revised (WISC-R) subtests for retarded males and females who were matched in terms of WISC-R Full Scale IQ's. Sample consisted of 126 children. Evidence from the investigation indicated that a significant interaction effect existed between sex and subtest…