Classification of intellectual disability using the Wechsler Intelligence Scale for Children: Full Scale IQ or General Abilities Index?

The standardization of the Wechsler intelligence scale for children.

THE Wechsler Intelligence Scale for Children has grown logically out of the Wechsler-Bellevue Intelligence Scales used with adolescents and adults [4]. In fact, most of the items in the WISC are from Form II of the earlier scales, the main additions being new items at the easier end of each test to permit examination of children as young as five years of age. Even though the materials overlap, ...

The Wechsler Intelligence Scale for Children III and the Cognitive Abilities Test (Form 6): Are the general factors the same?

This study investigated the concurrent validity of the Wechsler Intelligence Scale for Children— Third Edition (WISC-III; Wechsler, 1991) and Form 6 of the Cognitive Abilities Test (CogAT6; Lohman & Hagen, 2001a). The standard battery of WISC-III and level D of CogAT6 were administered to 91 6th-grade students. The representativeness of the sample was first investigated by comparing the covaria...

The effects of Wechsler Intelligence Scale for Children-Fourth Edition cognitive abilities on math achievement.

This study used structural equation modeling to examine the effect of Stratum III (i.e., general intelligence) and Stratum II (i.e., Comprehension-Knowledge, Fluid Reasoning, Short-Term Memory, Processing Speed, and Visual Processing) factors of the Cattell-Horn-Carroll (CHC) cognitive abilities, as operationalized by the Wechsler Intelligence Scale for Children, Fourth Edition (WISC-IV; Wechsl...

Test Review : Wechsler Intelligence Scale for Children , Fourth Edition

A comparison of low IQ scores from the Reynolds Intellectual Assessment Scales and the Wechsler Adult Intelligence Scale-Third Edition.

Twenty people with suspected intellectual disability took the Reynolds Intellectual Assessment Scales (RIAS; C. R. Reynolds & R. W. Kamphaus, 1998) and the Wechsler Adult Intelligence Scale-3rd Edition (WAIS-III; D. Wechsler, 1997) to see if the 2 IQ tests produced comparable results. A t test showed that the RIAS Composite Intelligence Index scores were significantly higher than WAIS-III Full ...