Abstract
Autism Diagnostic Observation Schedule (ADOS) Modules 1-3 item and domain total distributions were reviewed for 1,630 assessments of children aged 14 months to 16 years with an autism spectrum disorder (ASD) or with heterogeneous non-spectrum disorders. Children were divided by language level and age to yield more homogeneous cells. Items were chosen that best differentiated between diagnoses and were arranged into domains on the basis of multi-factor item-response analysis. Reflecting recent research, the revised algorithm now consists of two new domains, Social Affect and Restricted, Repetitive Behaviors (RRB), combined to one score to which thresholds are applied, resulting in generally improved predictive value.
MeSH Terms
Adolescent
Asperger Syndrome/diagnosis,psychology
Autistic Disorder/diagnosis,psychology
Child
Child Development Disorders, Pervasive/diagnosis,psychology
Child, Preschool
Communication
Female
Humans
Imagination
Infant
Intellectual Disability/diagnosis,psychology
Interpersonal Relations
Language Development Disorders/diagnosis,psychology
Male
Mass Screening
Observation
Play and Playthings
Psychological Tests/statistics & numerical data
Psychometrics/statistics & numerical data
Reference Values
Reproducibility of Results
Statistics as Topic
Stereotyped Behavior
Vocabulary
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Gotham Katherine
University of Michigan Autism and Communication Disorders Center, Ann Arbor, MI, 48109-2054, USA. kog@umich.edu
Risi Susan
Pickles Andrew
Lord Catherine
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