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《自闭症诊断访谈修订版》的探索性和验证性因素分析。

Exploratory and confirmatory factor analysis of the autism diagnostic interview-revised.

作者信息

Frazier Thomas W, Youngstrom Eric A, Kubu Cynthia S, Sinclair Leslie, Rezai Ali

机构信息

Section of Behavioral Medicine, Children's Hospital for Rehabilitation, The Cleveland Clinic, Shaker Campus CR11, Cleveland, OH 44104, USA.

出版信息

J Autism Dev Disord. 2008 Mar;38(3):474-80. doi: 10.1007/s10803-007-0415-z. Epub 2007 Jul 6.

Abstract

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.

摘要

使用探索性因素分析(EFA)和验证性因素分析(CFA)方法,对自闭症诊断访谈修订版(ADI-R)算法项目的因素结构进行了检验。对1170名青少年和成年人(年龄在2至46岁之间)完成了ADI-R评估。探索性因素分析的结果有力支持了两因素结构,即社会沟通因素和刻板行为因素。在一个保留子样本中进行的验证性因素分析表明,上述两因素模型和一个将同伴关系及玩耍与其他社会和沟通行为分开的三因素模型得到了大致相同的支持。多组验证性因素分析表明,两因素模型和三因素模型在不同年龄组中都表现出良好的稳定性,因素关系仅有轻微变化。这些发现表明,当前的ADI-R结构需要修订,以更准确地反映各子量表之间的关系。

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