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Exploratory and confirmatory factor analysis of the Autism Diagnostic Interview-Revised.

The factor structure of the Autism Diagnostic Interview-Revised (ADI-R) algorithm items was examined using exploratory (EFA) and confirmatory factor analyses (CFA) factor methods. The ADI-R was completed for 1,170 youths and adults (ages 2-46). Results of EFAs indicated strong support for two-factor...

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Published in:Journal of Autism & Developmental Disorders Vol. 38; no. 3; pp. 474 - 481
Main Authors: Frazier TW, Youngstrom EA, Kubu CS, Sinclair L, Rezai A
Format: research tables/charts Journal Article
Published: Springer Nature Mar2008
Online Access:View this record in EBSCOhost
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      jtl: Journal of Autism & Developmental Disorders
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      dt: Mar2008
      vid: 38
      iid: 3
      pid: 237
      pub: Springer Nature
      place: New York, New York
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        105721336
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        2009875024
        10.1007/s10803-007-0415-z
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        atl: Exploratory and confirmatory factor analysis of the Autism Diagnostic Interview-Revised.
      aug:
        au:
          Frazier TW
          Youngstrom EA
          Kubu CS
          Sinclair L
          Rezai A
        affil: Section of Behavioral Medicine, Children's Hospital for Rehabilitation, Cleveland Clinic, Shaker Campus CR11, 2801 Martin Luther King Jr. Drive, Cleveland, OH 44104; fraziet2@ccf.org
      sug:
        subj:
          Autism Spectrum Disorder Diagnosis
          Adolescence
          Adult
          Algorithms
          Child
          Child, Preschool
          Descriptive Statistics
          Factor Analysis
          Female
          Funding Source
          Interview Guides
          Male
          Middle Age
          Models, Statistical
          Semi-Structured Interview
          Human
          Adolescent: 13-18 years
          Adult: 19-44 years
          Child: 6-12 years
          Child, Preschool: 2-5 years
          Middle Aged: 45-64 years
          Female
          Male
      ab: The factor structure of the Autism Diagnostic Interview-Revised (ADI-R) algorithm items was examined using exploratory (EFA) and confirmatory factor analyses (CFA) factor methods. The ADI-R was completed for 1,170 youths and adults (ages 2-46). Results of EFAs indicated strong support for two-factor structure, with social communication and stereotyped behavior factors. CFAs computed in a holdout sub-sample indicated roughly equal support for the above described two-factor model and a three factor model separating peer relationships and play from other social and communicative behaviors. Multi-group CFAs suggested that both two and three factor models showed good stability across age, with only slight changes in factor relationships. These findings indicate that the current ADI-R structure be revised to more accurately reflect the relationships between sub-scales.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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