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Peer reviewedKamhi, Alan G.; And Others – Journal of Speech and Hearing Research, 1990
Content analysis of the Columbia Mental Maturity Scale and the Test of Nonverbal Intelligence (TONI) revealed differences in the nature of perceptual and conceptual items. Both language-impaired and normal-language children performed significantly better on perceptual-type than conceptual-type items. The predominance of perceptual items was…
Descriptors: Children, Concept Formation, Intelligence Tests, Language Handicaps
Peer reviewedEdelson, Meredyth Goldberg; Schubert, Derenda Timmons; Edelson, Stephen M. – Focus on Autism and Other Developmental Disabilities, 1998
This study evaluated use of the Test of Nonverbal Intelligence Second Edition (TONI-2) with 258 individuals (ages 4 to 41) with autism. Results indicated that age, verbal ability, and lack of attention deficits were most predictive of TONI-2 scores, whereas attention deficits and a moderate number of autistic symptoms predicted untestability on…
Descriptors: Adults, Age Differences, Attention Deficit Disorders, Autism
