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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 Childhood Autism Rating Scale (CARS) is a behavior rating scale intended to help diagnose autism. CARS was developed by Eric Schopler , Robert J. Reichler , and Barbara Rochen Renner . The scale was designed to help differentiate children with autism from those with other developmental delays, such as intellectual disability .
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.
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.
Generally it has been proven to be a valid measure, correlating strongly with the Autism Spectrum Quotient, or AQ-10. However, when applied to a New Zealand population, [16] the test has high sensitivity, but not specificity, resulting in a higher number of false positives when solely relying upon test scores. The authors of the above research ...
In order to create the algorithm for diagnosis, the writers chose questions from the interview that were most closely related to the criteria for diagnosis of Autism Spectrum Disorder in the DSM-IV and the ICD-10. [3] An autism diagnosis is indicated when scores in all three behavioral areas meet or exceed the specified minimum cutoff scores. [5]
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The Childhood Autism Spectrum Test, abbreviated as CAST and formerly titled the Childhood Asperger Syndrome Test, is a tool to screen for autism spectrum disorder in children aged 4–11 years, in a non-clinical setting. [1] It is also called the Social and Communication Development Questionnaire. [2]