Factor structure for autism spectrum disorders with toddlers using DSM-IV and DSM-5 criteria

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With the publication of the Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition, autism spectrum disorders are defined by two symptom clusters (social communication and restricted/repetitive behaviors) instead of the current three clusters. The current study examined the structure of the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT). First, an exploratory factor analysis was replicated whose results were largely comparable to the previous findings. Then, confirmatory factor analyses compared a two and three factor structure for the BISCUIT. Measures of model fit supported both the two and three factor models relatively well. When directly compared, the three factor model was found to be preferred over the two factor model. Implications are discussed.

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Journal of autism and developmental disorders

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