Mental retardation and WAIS-R scatter analysis.
In an earlier article, the psychometric properties of Wechsler Adult Intelligence Scale-Revised (WAIS-R) subtest difference scores were explored using a sample with IQ < 80. Data were offered which allowed the practitioner to determine whether the difference between two subtests was statistically reliable. This article represents an extension of the earlier work. It presents a set of reliability estimates for the difference between a single WAIS-R subtest and the mean of all subtests, and permits the clinician to determine whether the difference obtained by a particular examinee is statistically significant.
Atkinson
L
L
Surrey Place Centre, Toronto, Ontario, Canada.
D000328:Adult; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis*; D008297:Male; D011594:Psychometrics; D015203:Reproducibility of Results; D014888:Wechsler Scales / Q000706:statistics & numerical data*