Reliability generalization for childhood autism rating scale

Jonathan Breidbord (Lead / Corresponding author), Tim J. Croudace

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    The Childhood Autism Rating Scale (CARS) is a popular behavior-observation instrument that was developed more than 34 years ago and has since been adopted in a wide variety of contexts for assessing the presence and severity of autism symptomatology in both children and adolescents. This investigation of the reliability of CARS scores involves meta-analysis and meta-regression of empirical data from reports of original research that made use of CARS between 1980 and 2012. Findings of good internal consistency (.896, 95 % CI .877-.913) and good interrater reliability (.796, 95 % CI .736-.844) support use of CARS at least in early-phase, exploratory research. Evidence of heterogeneity among literature data indicates that reliability is a property of CARS scores and is not intrinsic to the instrument itself. As the first of its kind pertaining to autism, this investigation provides guidance for reviews of other instruments' ratings.
    Original languageEnglish
    Pages (from-to)2855-2865
    Number of pages11
    JournalJournal of Autism and Developmental Disorders
    Volume43
    Issue number12
    DOIs
    Publication statusPublished - Dec 2013

    Keywords

    • Developmental and Educational Psychology

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