Cited by 548Autism Spectrum Disorder ResearchChild Nutrition and Feeding IssuesBehavioral and Psychological Studies

The Autism Diagnostic Observation Schedule, Module 4: Revised Algorithm and Standardized Severity Scores

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Hus, Vanessa, Lord, Catherine·2014·Journal of Autism and Developmental Disorders

Abstract

The recently published Autism Diagnostic Observation Schedule, 2nd edition (ADOS-2) includes revised diagnostic algorithms and standardized severity scores for modules used to assess younger children. A revised algorithm and severity scores are not yet available for Module 4, used with verbally fluent adults. The current study revises the Module 4 algorithm and calibrates raw overall and domain totals to provide metrics of autism spectrum disorder (ASD) symptom severity. Sensitivity and specificity of the revised Module 4 algorithm exceeded 80 % in the overall sample. Module 4 calibrated severity scores provide quantitative estimates of ASD symptom severity that are relatively independent of participant characteristics. These efforts increase comparability of ADOS scores across modules and should facilitate efforts to examine symptom trajectories from toddler to adulthood.

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  • Participants had previous diagnoses of ASD supported by the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule, Second Edition revised module 4 (ADOS-2), as well as previous IQ assessments based on the Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV) indicating the absence of ID (Total IQ above 80).

    “They had previous diagnoses of ASD supported by the Autism Diagnostic Interview-Revised (ADI-R; Rutter et al., 2003) and the Autism Diagnostic Observation Schedule, Second Edition revised module 4 (ADOS-2; Hus & Lord, 2014; Lord et al., 2012), as well as previous IQ assessments based on the Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV; Wechsler, 2011) indicating the absence of ID (T”

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Research works printed but not linked: 2

  1. Lord C Rutter M DiLavore PC Risi S Gotham K Bishop S Autism Diagnostic Observation Schedule, Second Edition (ADOS-2) Manual (Part I): Modules 1–4 2012 Torrance, CA Western Psychological Services
  2. Perry A Condillac RA Freeman NL Best practices and practical strategies for assessment and diagnosis of autism Journal on Developmental Disabilities 2002 9 2 61 75

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Authors
Hus, V., & Lord, C.
Affiliations
University of Michigan (US)
Venue
Journal of Autism and Developmental Disorders
Published
2014-03-04
Volume
44
Issue
8
Pages
1996-2012
ISSN
  • 0162-3257 (ISSN-L)
  • 1573-3432
OpenAlex
W2049567796
Cited by
547
References
52
Citations by year
2026: 33 · 2025: 43 · 2024: 53 · 2023: 43 · 2022: 68 · 2021: 69 · 2020: 52 · 2019: 49 · 2018: 42 · 2017: 46 · 2016: 21 · 2015: 25 · 2014: 3
FWCI
17.66
Type
journal article
Language
en
Open access
Locations
  • Journal of Autism and Developmental Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Rutgers University Community Repository (Rutgers University) (submittedVersion)
Funders
  • Foundation for the National Institutes of Health
  • Autism Speaks (AS7032)
  • Simons Foundation
  • Simons Foundation Autism Research Initiative
  • National Institute of Mental Health (R01MH081873)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
  • Social Sciences › Psychology › Developmental and Educational Psychology › Behavioral and Psychological Studies
Keywords
Autism Diagnostic Observation Schedule, autism spectrum disorder, diagnostic algorithm, severity scoring, symptom severity, sensitivity and specificity, score calibration, symptom trajectories
MeSH terms
Adolescent, Adult, Calibration, Child, Child Development Disorders, Pervasive, Child, Preschool, Female, Humans, Longitudinal Studies, Male, Middle Aged, Psychiatric Status Rating Scales, Psychological Tests, Reference Standards, Sensitivity and Specificity, Young Adult

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