Within the Canadian context, the two major learning disability classification systems are arguably the American Psychiatric Association's (APA) "Diagnostic and Statistical Manual of Mental Disorders" and the Learning Disabilities Association (LDAC) of Canada's "Official Definition of Learning Disabilities." Several of the more…

The representativeness, recency, and size of norm samples strongly influence the accuracy of inferences drawn from their scores. Inadequate norm samples may lead to inflated or deflated scores for individuals and poorer prediction of developmental and academic outcomes. The purpose of this study was to apply Kranzler and Floyd's method for…

The Wechsler Intelligence Scale for Children, Fifth Edition: Canadian (WISC-V[superscript CDN]; Wechsler, 2014) is published by Pearson Canada Assessment. The WISC-V[superscript CDN] is a norm-referenced, individually administered intelligence battery that provides a comprehensive diagnostic profile of the cognitive strengths and weaknesses of…

Writing difficulties are common among children with attention-deficit/hyperactivity disorder (ADHD), but the nature of these difficulties has not been well studied. Here we relate behavioral, psycholinguistic, cognitive (memory/executive), and graphomotor measures to spelling skills in school-age girls with ADHD (n = 30) and an age-matched group…

Cree and Ojobwa children (N=100) ages 6-15, were administered the WISC. The mean Performance IQ (PIQ) was in the normal range at all ages; the Verbal IQ (VIQ) was in the mentally deficient or dull-normal range. A comparison of Indian IQ norms with original WISC normative data is given. (Author)

The study sought to determine if significant predictive relationships could be found between diagnostic psychological test data and the changes in academic achievement of learning handicapped children participating in a resource specialist program for one period per day. The 102 students, with a mean age of 9 years, were administered the Wide…

Recommendations and criticisms are made which might result in a more reliable assessment of the Puerto Rican child's intelligence as measured by the Wechsler Intelligence Scale for Children (WISC). Many of these recommendations and criticisms involve typographical and grammatical errors, incorrect language usage, difficulty of item sequence and…

Scores on the Wechsler Intelligence Scale for Children-Revised (WISC-R) and Wechsler Adult Intelligence Scale-Revised (WAIS-R) Verbal, Performance, and Full Scales were compared for 26 adolescents with educable mental handicaps. The WAIS-R, while strongly correlated with the WISC-R, provided higher scores on all three scales. Several WISC-R…