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Beuker, Karin T.; Schjolberg, Synnve; Lie, Kari Kveim; Donders, Rogier; Lappenschaar, Martijn; Swinkels, Sophie H. N.; Buitelaar, Jan K. – Journal of Autism and Developmental Disorders, 2013
It is unclear whether symptoms of autism spectrum disorder (ASD) in young children in the population fit the three-factor structure of ASD as described in the DSM-IV, and cluster together in individual subjects. This study analysed questionnaire data on ASD symptoms filled in by mothers of 11,332 18-month-old children that was collected in the…
Descriptors: Questionnaires, Mothers, Autism, Factor Structure