ADOS-2
Pronunciation: AY-dose
Also written as: ADOS-2 — Autism Diagnostic Observation Schedule, Second Edition
Standardized assessment tool for diagnosing autism spectrum disorders through structured observation.
Full Definition
The Autism Diagnostic Observation Schedule, Second Edition is a semi-structured assessment that provides standardized contexts for observing social interaction, communication, play, and restricted and repetitive behaviors associated with autism spectrum disorders. The ADOS-2 includes five modules designed for individuals with different developmental and language levels, from toddlers to adults. It is considered the gold standard for autism diagnosis and is often used in conjunction with developmental history and other assessments. The tool requires specialized training to administer and score accurately and provides quantitative scores that contribute to diagnostic decision-making.
Usage
Usage note: Specify module number when relevant; requires trained administrator; distinguish from other autism assessment tools.
In Context
- "The ADOS-2 was administered as part of the comprehensive autism evaluation for the adolescent patient." — Diagnostic assessment report
- "ADOS-2 Module 4 results supported the clinical impression of autism spectrum disorder in this verbal adult." — Psychological testing summary