In this article, we report the findings of an exploratory empirical study that investigated the relationship between English Language Proficiency (ELP) on performance on the Woodcock-Johnson Tests of Cognitive Abilities-Third Edition (WJ III) when administered in English to bilingual students of varying levels of ELP. Sixty-one second-grade…

Verbal and quantitative reasoning tests provide valuable information about cognitive abilities that are important to academic success. Information about these abilities may be particularly valuable to teachers of students who are English-language learners (ELL), because leveraging reasoning skills to support comprehension is a critical aptitude…

This article reviews factor-analytic research on individually administered intelligence tests from a Cattell-Horn-Carroll (CHC) perspective. Although most new and revised tests of intelligence are based, at least in part, on CHC theory, earlier versions generally were not. Our review suggests that whether or not they were based on CHC theory, the…

The broad cognitive abilities defined by the Cattell-Horn-Carroll (CHC) theory have been shown to predict school achievement. However, the ecological validity of these constructs has not been studied in classroom settings. This study compares ratings by a sample of teachers (n = 53) and school psychologists (n = 86) of the importance of the CHC…

This study investigated the effects of broad cognitive abilities derived from the Cattell-Horn-Carroll (CHC) taxonomy, together with the effect of the general factor ("g"), on Wechsler Individual Achievement Test, Second Edition (WIAT-II) reading achievement. Structural equation modeling (SEM) and commonality analyses were applied to the…

The Reynolds Intellectual Assessment Scales (RIAS) is a recently developed, individually administered psychometric instrument designed to measure general cognitive ability, as well as verbal (crystallized) intelligence, nonverbal (fluid) intelligence, and memory. Test reviewers have recommended the use of the RIAS despite the fact that, although…

Concerns about the ability-achievement discrepancy method for specific learning disability (SLD) determination led to alternative research-based methods, such as failure to respond to intervention. Neither of these "regulatory" methods address the "statutory" SLD definition, which explicitly includes a deficit in "basic…

This study examined the underlying constructs measured by the "Differential Ability Scales" ("DAS"; C.D. Elliott, 1990a) as they relate to the "Cattell-Horn-Carroll (CHC) Theory" (K.S. McGrew, 1997) of cognitive abilities. The "DAS" and "Woodcock-Johnson Tests of Cognitive Abilities" ("WJ-III COG"; R.W.Woodcock, K.S. McGrew, & N. Mather, 2001)…

Examine the predictive validity of Kaufman's short form of the McCarthy Scales of Children's Abilities for 74 Mexican-American children. Comparisons between the McCarthy General Cognitive Index (GCI) and Kaufman's estimated CGI with academic achievement showed that the conventional McCarthy and Kaufman's short form predicted achievement about…

Investigates the predictive and construct validity of the Developing Cognitive Abilities Test (DCAT) in a sample of sixth grade students (N=863). Level H of the DCAT was administered during the students' sixth grade year and selected subsets of the Iowa Tests of Basic Skills were administered eight months later during the seventh grade year.…

Correlations between the Standard Progressive Matrices test (SPM) and the California Achievement Test, Reading, Language, and Mathematics Tests were examined for 99 Hispanic and 93 non-Hispanic Caucasian seventh-grade students. All correlations were highly significant. Supports continued use of the SPM as a measure of nonverbal intellectual…

The present investigation examined the validity of the Comprehensive Test of Nonverbal Intelligence (CTONI) with the Woodcock-Johnson III Tests of Cognitive Abilities (WJ-III COG) by administering these instruments in counterbalanced order to 60 college students. Results indicated that the mean CTONI NIQ score was not significantly different from…

Examined concurrent validity between Woodcock-Johnson Psycho-Educational Battery-Revised Tests of Cognitive Ability (WJ-R, COG) (Early Development) and Wechsler Preschool and Primary Scale of Intelligence-Revised (WPPSI-R) by administering instruments to 30 normal 3, 4, and 5 year olds. WJ-R Broad Cognitive Ability and WPPSI-R Full Scale IQ and…

Cross-validated the factor structure of the McCarthy Scales of Children's Abilities for 105 kindergarten children. A factor analysis generated five factors, including Verbal Comprehension, Quantitative-Reasoning, Memory, Perceptual-Performance, and Motor factors. The overall factor pattern provides further evidence of the construct validity of the…

Computed correlations between the Wechsler Intelligence Scale for Children-Revised (WISC-R) and the Woodcock-Johnson Tests of Cognitive Abilities (WJTCA) in behavior disordered male adolescents (N=100). Results indicated that all WISC-R subtests correlated with the W-J Broad Cognitive Ability score. (LLL)