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Shum, Kathy Kar-man; Wong, Rose Mui-fong; Au, Angel Hoe-chi; Au, Terry Kit-fong – Autism: The International Journal of Research and Practice, 2022
This study examined the reliability and validity of the 13-item Classroom Observation Scale as used by teachers and non-clinically trained observers to identify children who more likely than their peers to have autism spectrum disorder in less-resourced preschools. A total of 534 children (ages 2;10 to 4;5, Mean = 3;8) from nine Chinese-language…
Descriptors: Test Validity, Test Reliability, Autism, Pervasive Developmental Disorders