Autism spectrum disorder (ASD) is a neurodevelopmental disability that can cause significant social, communication, and behavioral challenges yet it is defined and diagnosed by the absence or presence of behaviors described in, for example, the Diagnostic and Statistical Manual 5. Descriptions of the disorder include symptoms such as intellectual…

Explored the relationship between the Peabody Picture Vocabulary Test-Revised (PPVT-R) and the Peabody Individual Achievement Test (PIAT) administered to a sample of 29 mentally retarded children. Findings indicated that the PPVT-R predicted achievement as measured by the PIAT only moderately; and that PPVT-R scores correlated with achievement…

Explored the relationship between the Revised Peabody Picture Vocabulary test (PPVT-R) and the Wechsler Intelligence Scale for Children-Revised (WISC-R) for a sample of 38 mentally retarded children. Found the PPVT-R correlated significantly with the WISC-R Verbal Performance and Full Scale IQ scores. (Author)

Explored the relationship between the Wechsler Intelligence Scale for Children-Revised (WISC-R) and the Peabody Picture Vocabulary Test-Revised (PPVT-R) for 37 Native American children. The PPVT-R standard scores correlated significantly with the WISCR-R Verbal IQ, Performance IQ, and Full Scale IQ. The mean PPVT-R standard score was significantly…