Adaptation, Content Validity and Reliability of the Autism Classification System of Functioning for Social Communication: From Toddlerhood to Adolescent-Aged Children with Autism

Briano Di Rezze, Stephen James Gentles, Mary Jo Cooley Hidecker, Lonnie Zwaigenbaum, Peter Rosenbaum, Eric Duku, Stelios Georgiades, Caroline Roncadin, Hanna Fang, Diana Tajik-Parvinchi, Helena Viveiros

Research output: Contribution to journalArticlepeer-review

Abstract

The Autism Classification System of Functioning: Social Communication (ACSF) describes social communication functioning levels. First developed for preschoolers with ASD, this study tests an expanded age range (2-to-18 years). The ACFS rates the child’s typical and best (i.e., capacity) performance. Qualitative methods tested parent and clinician perspectives of the ACSF age expansion using content analysis. The ACSF was used twice by parents and professionals for the same child/youth. Reliabilities were assessed using weighted kappa. Content validity supported the ACSF’s applicability, clarity, and usability. The ACSF adaptations did not change its original construct. Reliability were calculated from 90 parent and professional Time-1 and Time-2 ratings for children/youth (2.1–15.6 years). Results showed good-to-very good intra-rater agreement (typical) and good inter-rater agreement (capacity).

Original languageEnglish
JournalJournal of Autism and Developmental Disorders
DOIs
StateAccepted/In press - 2022

Bibliographical note

Funding Information:
Funding support was provided by the Hamilton Health Sciences New Investigator Fund 2019 (to BDR), Hamilton Health Sciences Early Career Award 2018–2020 (to BDR), and Hamilton Academic Health Science Organization 2018–2020 (to PR and BDR). We thank all the families and clinical sites that participated in the study. We would also like to thank the support in the early stages of this work from occupational therapy students (at the time) Chelsea Breckels, Natalie Istanboulian, Courtney McKeracher, and Katarina Schwabe.

Publisher Copyright:
© 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Keywords

  • Autism spectrum disorder
  • Childhood
  • Classification
  • International classification of functioning
  • Social communication

ASJC Scopus subject areas

  • Developmental and Educational Psychology

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