A longitudinal comparison of the WISC and WISC-R with special ed...

A longitudinal comparison of the WISC and WISC-R with special education pupils A LONGITUDINAL COMPARISON OF THE WISC AND WISC-R WITH SPECIAL EDUCATION PUPILS PAULETTE J . THOMAS University of New Orleans The purpose of this study was to determine the degree of comparability between the WISC and the WISC-R over time. Hypotheses were tested using a sample of 276 mildly mentally handicapped children enrolled in special education classes who had received a WISC (Trial 1) and a WISC or W