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The Ritvo Autism & Asperger Diagnostic Scale (RAADS) is a psychological self-rating scale developed by Riva Ariella Ritvo (NPI UCLA and CSC Yale). An abridged and translated 14 question version was then developed at the Department of Clinical Neuroscience at the Karolinska Institute, to aid in the identification of patients who may have undiagnosed ASD.
The Autism Diagnostic Observation Schedule (ADOS) is a standardized diagnostic test for assessing autism spectrum disorder.The protocol consists of a series of structured and semi-structured tasks that involve social interaction between the examiner and the person under assessment.
Parents of 1,150 primary school aged children were sent the CAST questionnaire, with 199 responders and 174 taking part in the full data analysis. The results suggested that, compared to other screening tools currently available, the CAST may be useful for identifying children at risk for autism spectrum disorders, in a mainstream non-clinical sample.
With this inpatient sample, the recommended SIMS total cut score of >14 functioned poorly, because most genuine responders also exceeded this cut score (i.e., specificity = .28). Even at a 25% base rate, more than two thirds (positive predictive power, PPP = .70) of those identified will be genuine responders.
The Modified Checklist for Autism in Toddlers (M-CHAT) is a psychological questionnaire that evaluates risk for autism spectrum disorder in children ages 16–30 months. The 20-question test is filled out by the parent, and a follow-up portion is available for children who are classified as medium- to high-risk for autism spectrum disorder.
Total scores of less than 50 at the age of five- Indicate that the child will most likely be able to lead a semi-independent life without needing to be placed in a formal care facility. Total scores of 104 or higher - Indicate that the child would fall into the 90th percentile and would be considered severely autistic.
The scale is available in forms for teachers as well as parents, and like the Gilliam Autism Rating Scale it is comparatively less complicated to administer and score than other tests such as the Autism Diagnostic Observation Schedule or the Autism Diagnostic Interview — Revised (although both of these more complex tests are increasingly used ...
The CARS is a diagnostic assessment method that rates individuals on a scale ranging from normal to severe, and yields a composite score ranging from non-autistic to mildly autistic, moderately autistic, or severely autistic. The scale is used to observe and subjectively rate fifteen items. relationship to people; imitation; emotional response ...