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Peer reviewedTsatsanis, Katherine D.; Dartnall, Nancy; Cicchetti, Domenic; Sparrow, Sara S.; Klin, Ami; Volkmar, Fred R. – Journal of Autism and Developmental Disorders, 2003
The concurrent validity of the original and revised versions of the Leiter International Performance Scale was examined with 26 children (ages 4-16) with autism. Although the correlation between the two tests was high (.87), there were significant intra-individual discrepancies present in 10 cases, two of which were both large and clinically…
Descriptors: Adolescents, Autism, Children, Clinical Diagnosis
Peer reviewedShah, Amitta; Holmes, Nan – Journal of Autism and Developmental Disorders, 1985
Paper discusses advantages and disadvantages of using the Leiter International Performance Scale with autistic children and presents the results of a study comparing the performance of 18 autistic children on the Wechsler Intelligence Scale for Children-Revised and the Leiter. Results showed a high positive correlation between the WISC-R…
Descriptors: Autism, Intelligence Quotient, Intelligence Tests, Test Use
