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Carlien Vorster; Alta Kritzinger; Loina Coetser; Jeannie Van der Linde – Communication Disorders Quarterly, 2024
Currently, no culturally and linguistically adapted autism screening tools are available in South Africa. The aim was to determine the reliability and concurrent validity of the adapted English and Northern Sotho-translated Modified Checklist for Autism in Toddlers--Revised with Follow-up (M-CHAT-R/F). Reliability was confirmed with near-perfect…
Descriptors: Autism Spectrum Disorders, Screening Tests, Test Reliability, Test Validity
Reichow, Brian; Salamack, Shawn; Paul, Rhea; Volkmar, Fred R.; Klin, Ami – Communication Disorders Quarterly, 2008
The purpose of this study was to investigate the concurrent validity of subtests on the "Comprehensive Assessment of Spoken Language" (CASL) by comparing them with the assessment of communication and social skills on the "Vineland Adaptive Behavior Scales" ("Vineland"). The participants were 35 children and…
Descriptors: Delayed Speech, Autism, Oral Language, Validity