The Autism Diagnostic Observation Schedule Second Edition (ADOS -2) is the most reliable diagnostic tool currently and internationally recognised by Autism Spectrum Disorders (ADS) experts and is an observational assessment of ASD.

This tool is used to accurately assess and diagnose anyone suspected of having autism spectrum disorders or other pervasive developmental disorders across age, developmental level and language skills.
It is a semi-structured, standardised assessment of:

  • Communication
  • Social interaction
  • Play
  • Restricted and repetitive behaviours

The assessment presents various activities that elicit behaviours directly related to a diagnosis of ASD. By observing and coding these behaviours, information is obtained that informs diagnosis, treatment planning, and educational placement.
A formal diagnosis of Autism provides eligibility to government funding and special programs assist people with ASD and their caregivers.

Autism Diagnostic Observation Schedule Research-determined cut-offs identify the potential diagnosis of classic autistic disorder or related autism spectrum disorders, allowing a standardized assessment of autistic symptoms.

ADOS stands for Autism Diagnostic Observation Schedule. Autism Diagnostic Observation Schedule is a standardized diagnostic test for Autism Spectrum Disorder (ASD), published by Western Psychological Services (WPS) in 2000 and now available in 15 different languages

ADOS Autism Diagnostic Observation Schedule Second Edition (ADOS -2)

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