The Wechsler Abbreviated Scale of Intelligence, Second Edition (WASI-II; Wechsler, 2011) is a brief intelligence test designed for individuals aged 6 through 90 years. It is a revision of the Wechsler Abbreviated Scale of Intelligence (WASI; Wechsler, 1999). During revision, there were three goals: enhancing the link between the Wechsler…

Standardization data based on responses of 616 Puerto Ricans to the Spanish version of the Wechsler Adult Intelligence Scale (D. Wechlser, 1981) reveal reliability data and base rates to assist in evaluating the clinical significance of differences between Performance Intelligence Quotient (PIQ) and Verbal Intelligence Quotient (VIQ).…

Discusses the significance of confidence intervals around IQ scores based on a misleading interpretation of the standard error of measurement terms provided in the Wechsler Adult Intelligence Scale-Revised (WAIS-R) manual. Presents standard error values and a table for determining the abnormality of verbal and performance IQ discrepancies.…

Investigation of the stability of Wechsler Adult Intelligence Scale Revised scores of 25 college students over a 4-year period found that global and subtest scores were highly stable. Subtest scores tended to be higher on the retest, but global scores were not despite four years of educational experiences between test administrations. (Author/DB)

Wechsler Adult Intelligence Scale-Revised protocols from two vocational counseling clients were scored by 19 psychologists and 20 graduate students. Regardless of scorer's experience level, mechanical scoring error produced summary scores varying by as much as 4 to 18 IQ points. (Author/RC)

Difficulties inherent in differentiating practice effects from meaningful change in neuropsychological retest data are illustrated in this case study of a personal injury case. Although the patient demonstrated substantial gains on the Wechsler Adult Intelligence Scale Revised, most of the tests given on successive days did demonstrate acceptable…

Increasingly neuropsychologists are under pressure, particularly in child custody and personal injury litigation, to justify the validity of the tests upon which their assessments are based. Reviews research on the validity of clinical opinions based on tests and concludes that test scores must be used in conjunction with life history and current…

Three tables are provided to aid in the clinical interpretation of factor scores for the Wechsler Adult Intelligence Scale-Revised (WAIS-R; 1981). The factor structure of the WAIS-R has proven to be robust across samples, tests, time, statistical analyses, measurement scales, and distortions of the distribution. Information necessary to make…

This text is designed not only as a teaching text but also as a reference source for students and professionals on the assessment of the cognitive development of children. Chapters address: (1) process challenges of assessing children; (2) context challenges in assessing children; (3) ethical, legal, and professional applications of assessment…