The Autism Diagnostic Observation Schedule - Second Edition (ADOS-2) is a semistructured, standardised assessment of communication, social interaction, play, and restricted and repetitive behaviours. By observing and coding these behaviours, clinicians can obtain information that informs diagnosis, intervention, treatment planning, and educational placement.
The ADOS-2 includes five modules, each requiring between 40-60 minutes to administer. The individual being evaluated is given only one module, selected on the basis of his or her expressive language level and chronological age:
The ADOS-2 Manual contains two Parts:
The Manual provides information on: