Luc Lecavalier, Michael G Aman, Lawrence Scahill, Christopher J McDougle, James T McCracken, Benedetto Vitiello, Elaine Tierney, L Eugene Arnold, Jaswinder K Ghuman, Rachel L Loftin, Pegeen Cronin, Kathleen Koenig, David J Posey, Andres Martin, Jill Hollway, Lisa S Lee, Alice S M Kau
{"title":"Validity of the autism diagnostic interview-revised.","authors":"Luc Lecavalier, Michael G Aman, Lawrence Scahill, Christopher J McDougle, James T McCracken, Benedetto Vitiello, Elaine Tierney, L Eugene Arnold, Jaswinder K Ghuman, Rachel L Loftin, Pegeen Cronin, Kathleen Koenig, David J Posey, Andres Martin, Jill Hollway, Lisa S Lee, Alice S M Kau","doi":"10.1352/0895-8017(2006)111[199:VOTADI]2.0.CO;2","DOIUrl":null,"url":null,"abstract":"<p><p>The factor structure, internal consistency, and convergent validity of the Autism Diagnostic Interview-Revised (ADI-R) algorithm items were examined in a sample of 226 youngsters with pervasive developmental disabilities. Exploratory factor analyses indicated a three-factor solution closely resembling the original algorithm and explaining 38% of the variance, with one significant discrepancy: Unlike the algorithm, all nonverbal communication items were associated with the Social factor. Internal consistencies of domain scores ranged from .54 to .84. Correlations between ADI-R domain and total scores and instruments assessing adaptive behavior, psychopathology, and autism were examined. They indicated some similarities between constructs, but also that the ADI-R measures autism in a unique fashion.</p>","PeriodicalId":76991,"journal":{"name":"American journal of mental retardation : AJMR","volume":"111 3","pages":"199-215"},"PeriodicalIF":0.0000,"publicationDate":"2006-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1352/0895-8017(2006)111[199:VOTADI]2.0.CO;2","citationCount":"148","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"American journal of mental retardation : AJMR","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1352/0895-8017(2006)111[199:VOTADI]2.0.CO;2","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 148
Abstract
The factor structure, internal consistency, and convergent validity of the Autism Diagnostic Interview-Revised (ADI-R) algorithm items were examined in a sample of 226 youngsters with pervasive developmental disabilities. Exploratory factor analyses indicated a three-factor solution closely resembling the original algorithm and explaining 38% of the variance, with one significant discrepancy: Unlike the algorithm, all nonverbal communication items were associated with the Social factor. Internal consistencies of domain scores ranged from .54 to .84. Correlations between ADI-R domain and total scores and instruments assessing adaptive behavior, psychopathology, and autism were examined. They indicated some similarities between constructs, but also that the ADI-R measures autism in a unique fashion.
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