This article is a commentary on McGill et al.'s (2020) article "Use of Translated and Adapted Versions of the WISC-V: Caveat Emptor." McGill et al. use caveat emptor in their title to indicate that the buyer of an assessment must be careful about the product being purchased, presumably because the seller of the assessment is not being…

The Cattell-Horn-Carroll (CHC) taxonomy of cognitive abilities married John Horn and Raymond Cattell's Extended Gf-Gc theory with John Carroll's Three-Stratum Theory. While there are some similarities in arrangements or classifications of tasks (observed variables) within similar broad or narrow dimensions, other salient theoretical features and…

As a result of the upcoming Federal reauthorization of the Individuals With Disabilities Education Improvement Act (IDEA), practitioners and researchers have begun vigorously debating what constitutes evidence-based assessment for the identification of specific learning disability (SLD). This debate has resulted in strong support for a method that…

The Jastak System of obtaining scores on "personality" dimensions is currently widely promoted. It is shown to be totally spurious, based on hereditarian doctrines long in disrepute, and dangerous in use. The promotional techniques used are also described. (Author)

Summarizes a special journal issue that is intended to provide professionals and other members of the policy-shaping community with information concerning the appropriate role of IQ testing in school psychological services. Suggests that IQ testing is unfounded and has led the field of school psychology astray. (RJM)

The current study examines the views of experts in the science of mental abilities about the primacy and uniqueness of "g" and the social implications of ability testing, and compares their responses to the views of a group of non-expert psychologists. Results indicate expert consensus that "g" is an important, non-trivial determinant (or at least…

The concept of aptitude is reviewed, and the uses and misuses of aptitude tests are considered. Many aptitude tests measure general ability plus certain more specialized abilities that are important for success in particular educational programs. Aptitude tests can be subdivided into: (1) group-administered aptitude tests, such as the Scholastic…

Studies examining the performance of American Indian children on the Wechsler instruments are reviewed to provide the basis for an examination of Wechsler Intelligence Scale for Children-Revised research. Factors that potentially influence Indian performance on the Wechsler are presented. Suggestions for interpretation of the Wechsler Intelligence…

Examines the use of educational indicators to serve educational policy ends, the potential benefits and dangers of various uses, and how to forge guidelines for appropriate relationships between indicators and policy. Indicators should not be used as administrative controls or policy levers, but to illuminate educational activities and processes…

An item analysis profile sheet to accompany the Slosson Intelligence Test (SIT) is helpful in providing a functional test interpretation. The lack of recorded technical and statistical information is a serious concern. Without such information, a practitioner could not use the Item Analysis of SIT with confidence. (Author)

For 40 gifted students, the mean Full Scale score of the Wechsler Intelligence Scale for Children-Revised was 13.52 points higher than the mean composite score of the Stanford-Binet, Fourth Edition (Binet-IV). Between the two instruments, 11 of 15 possible subscale correlations were significant. Use of the Binet-IV might result in placement of…

The question of reliability in the intellectual assessment of young children is cause for concern among developmental psychologists and diagnosticians. The issue of reliability is confounded by normal variability in skills during early childhood, by the problem of consistency across time of age-appropriate assessment measures, and by the selection…

Twenty-one studies that reported mean score differences between the Woodcock-Johnson Tests of Cognitive Ability (WJTCA) and the Wechsler Intelligence Scale for Children-Revised (WISC-R) Full Scale are summarized. The differences are found to be minimal and are attributed to data bias and WJTCA's higher correlation with achievement. (EGS)

Discrepancies between the K-ABC and its theoretical base of simultaneous and sequential mental processing; technical and design problems related to disproportionate subtest contributions of the Simultaneous Scale to the Mental Processing Composite; the method of subtest-specific variance computation and use in interpretation; and utility with…

This critical evaluation of the Slosson Intelligence Test (SIT) determined that the test items are 30 years old, scores are derived from a nonrepresentative norm group, and scores are not interchangeable with other intelligence measures. The paper concludes that the SIT is unsuited for educational decision-making purposes, including screening,…