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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.
Administering the test takes 10 minutes. [3] 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 ...
The autism-spectrum quotient (AQ) is a questionnaire published in 2001 by Simon Baron-Cohen and his colleagues at the Autism Research Centre in Cambridge, UK.Consisting of fifty questions, it aims to investigate whether adults of average intelligence (defined as an IQ of 80 or higher by the questionnaire) have symptoms of autism spectrum conditions. [1]
Asperger syndrome (AS), also known as Asperger's syndrome or Asperger's, is a diagnostic label that has historically been used to describe a neurodevelopmental disorder characterized by significant difficulties in social interaction and nonverbal communication, along with restricted, repetitive patterns of behavior and interests. [5]
assess autism in children, adolescents, and adults 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 SADS also allows more flexibility than fully structured interviews: Interviewers can use their own words and rephrase questions, and some clinical judgment is used to score responses. There are three versions of the schedule, the regular SADS, the lifetime version (SADS-L) and a version for measuring the change in symptomology (SADS-C).
E–S theory was developed by psychologist Simon Baron-Cohen in 2002, [10] as a reconceptualization of cognitive sex differences in the general population. This was done in an effort to understand why the cognitive difficulties in autism appeared to lie in domains in which he says on average females outperformed males, along with why cognitive strengths in autism appeared to lie in domains in ...
Questions from the original version of the ADI that were found, through research, to be unreliable or not applicable were removed when the interview was revised. [3] The ADI-R has also been tested thoroughly for reliability and validity using inter-rater reliability , test-retest reliability and internal validity tests. [ 1 ]