PROFESSIONAL ISSUES: TEST DEVELOPMENT AND METHODSB-102Comparing Canadian and American Normative Scores on the Wechsler Intelligence Scale for Children-Fourth Edition

Comparing Canadian and American normative scores on the Wechsler Adult Intelligence Scale-Fourth Edition.

Psychologists practicing in Canada must decide which set of normative data to use for the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV). The purpose of this study was to compare the interpretive effects of applying American versus Canadian normative systems in a sample of 432 Canadian postsecondary-level students who were administered the WAIS-IV as part of an evaluation for a lear...

Test Review : Wechsler Intelligence Scale for Children , Fourth Edition

[ 151 ] Wechsler Adult Intelligence Scale—fourth Edition Wechsler Adult Intelligence Scale—fourth Edition

scores at high levels of adaptive functioning will have poorer precision (i.e., higher SEMs) than those at low levels. SUMMARY. The Vineland–II was designed to be an easily used, standardized measure of key domains of adaptive behavior–Communication, Daily Living Skills, and Socialization–that play a prominent role in the diagnosis of mental retardation and other developmental disabilities. The...

Implications for Educational Classification and Psychological Diagnoses Using the Wechsler Adult Intelligence Scale–Fourth Edition With Canadian Versus American Norms

Building on a recent work of Harrison, Armstrong, Harrison, Iverson and Lange which suggested that Wechsler Adult Intelligence Scale–Fourth Edition (WAIS-IV) scores might systematically overestimate the severity of intellectual impairments if Canadian norms are used, the present study examined differences between Canadian and American derived WAIS-IV scores from 861 postsecondary students atten...

Factor Structure of the Wechsler Intelligence Scale for Children: Fourth Edition in Children with ADHD.

OBJECTIVE Recent evidence suggests that the factor structure of the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV) is better explained by a five-factor model rather than the four-factor model in the standardization sample. The current study examined the WISC-IV's factor structure in a sample of children with ADHD. METHOD Participants included 314 children and adolescents wh...