Investigating the role of personality facets differentiating children with autism spectrum disorders from typically developing children
Barger, Brian David
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This dissertation reports data from two studies indicating that facet scores from the Five Factor Model (FFM) personality variables differentiate children with autism spectrum disorders (ASD) from typical children. Study one investigated FFM differences in children during early childhood and study two investigated middle childhood. In both studies numerous facets differentiated children with ASD from typically developing children. Furthermore, in both studies the distractible scale had poor internal reliability and was not included in analysis. The shy scale had poor internal reliability for the ASD group during middle childhood and was not included in analysis. During middle childhood, but not early childhood significant interactions were found indicating that females with ASD had more difficult temperaments than males with ASD or typically developing children. Furthermore, in both studies comparison of correlation matrices indicated fewer significant correlations in the ASD groups compared to the typically developing. Discussions are framed around current discussions regarding the usefulness of the FFM for discussing ASD.