Journal
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
Volume 37, Issue 10, Pages 1949-1959Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-006-0327-3
Keywords
autism; aberrant behavior checklist; irritability; self-injury
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Exploratory factor analysis (varimax and promax rotations) of the aberrant behavior checklist-community version (ABC) in 275 individuals with Autism spectrum disorder (ASD) identified four- and five-factor solutions which accounted for > 70% of the variance. Confirmatory factor analysis (Lisrel 8.7) revealed indices of moderate fit for the five-factor solution. Our results suggest that the factor structure of the ABC is robust within an ASD sample. Both solutions yielded a three items self-injury factor. Stratifying on this factor, we identified significant differences between the high- and low-self injury groups on ABC subscales. The emergence of a self-injury factor, while not suggestive of a new subscale, warrants further exploration as a tool that could help dissect relevant neurobiobehavioral groups in ASD.
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