RAADS-R - Ritvo Autism Asperger Diagnostic Scale-Revised

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The RAADS-R is an eighty item scale specifically designed to assist clinicians diagnosing Autistic Disorder (AD) in adults eighteen years and older. It contains a total of eighty questions. Sixty-four short questions identify symptomatic behaviors that are scored on a 4-point Likert scale that takes into account developmental factors.

The RAADS-R was developed by Eric A. Ritvo, Marsha R. Ritvo, and colleagues at the LADDERS Clinic in Los Angeles, California. Eric Ritvo was a psychiatrist who specialized in ASD, and he developed the original RAADS in 2008. The RAADS-R is a revised versi

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