The factor structure of the Autism Diagnostic Interview-Revised (ADI-R):: A study on the dimensional versus the categorical classification of autistic disorders

被引:31
作者
Bölte, S [1 ]
Poustka, F [1 ]
机构
[1] Klinikum JWG Univ Frankfurt, Klin Psychiat & Psychotherapie Kindes & Jugendalt, D-60528 Frankfurt, Germany
来源
ZEITSCHRIFT FUR KINDER-UND JUGENDPSYCHIATRIE UND PSYCHOTHERAPIE | 2001年 / 29卷 / 03期
关键词
autism; diagnostics; dimensional; categorical; factor analysis;
D O I
10.1024//1422-4917.29.3.221
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
Objectives: This study investigated whether empirically derived dimensions of autistic behavior are consistent with the content-valid construction of the autistic behavior domains according to ICD-10 and DSM-IV (social interaction, communication and repetitive, stereotyped behavior). Methods: A principal component exploratory factor analysis routine with varimax-rotation and extraction of factors following the Scree criterion was run using data from the Autism Diagnostic Interview-Revised (ADI-R) of N = 262 individuals exhibiting autism or autistic features. Results: A three-factor solution consisting of two socio-communicative and one language dimension and accounting for 46.1% of the total variance was found to best describe the data. These factors yielded only vague correspondence with the idea of behavior domains described in ICD-10 and DSM-IV. In addition, factor loadings of items representing repetitive, stereotyped patterns were generally weak. Conclusions: The factor-analytic approach to autism indicates a conception of the disorder divergent from that defined in the contemporary psychiatric classification systems, especially regarding the area of repetitive, stereotyped behavior.
引用
收藏
页码:221 / 229
页数:9
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