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J Autism Dev Disord. 1999 Oct;29(5):379-84.

Vineland Adaptive Behavior Scale scores as a function of age and initial IQ in 210 autistic children.

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Department of Psychiatry and Biobehavioral Sciences, UCLA School of Medicine/NPI 90024, USA.


Human growth modeling statistics were utilized to examine how Vineland Adaptive Behavior Scale (VABS) scores changed in individuals with autistic disorder as a function of both age and initial IQ. Results revealed that subjects improved with age in all domains. The rate of growth in Communication and Daily Living Skills was related to initial IQ while rate of growth in Social Skills was not. Results should provide hope for parents and further support for the importance of functional social-communication skills in the treatment of autism.

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[Indexed for MEDLINE]

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