Test Description
This revision improves an instrument already viewed as the “gold standard” for observational assessment of autism spectrum disorders (ASDs). With updated protocols, revised algorithms, a new Comparison Score, and a Toddler Module, the ADOS-2 provides a highly accurate picture of current symptoms, unaffected by language. It can be used to evaluate almost anyone suspected of having ASD—from 1-year-olds with no speech to adults who are verbally fluent.
Author(s):
Catherine Lord, PhD, Michael Rutter, MD, et al.Catherine Lord, PhD, Michael Rutter, MD, et al.

12 months through adulthood

40–60 minutes

1

Level C required.
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