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Marler, Sarah; Ferguson, Bradley J.; Lee, Evon Batey; Peters, Brittany; Williams, Kent C.; McDonnell, Erin; Macklin, Eric A.; Levitt, Pat; Margolis, Kara Gross; Beversdorf, David Q.; Veenstra-VanderWeele, Jeremy – Journal of Autism and Developmental Disorders, 2017
Based upon checklist data from the Autism Speaks Autism Treatment Network, we hypothesized that functional constipation (FC) would be associated with rigid-compulsive behavior in children with autism spectrum disorder (ASD). We used the Questionnaire on Pediatric Gastrointestinal Symptoms-Rome III to assess FC symptoms in 108 children with ASD. As…
Descriptors: Autism, Pervasive Developmental Disorders, Anxiety Disorders, Human Body
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Burrows, Catherine A.; Usher, Lauren V.; Schwartz, Caley B.; Mundy, Peter C.; Henderson, Heather A. – Journal of Autism and Developmental Disorders, 2016
This study tested the "spectrum hypothesis," which posits that children and adolescents with high functioning autism (HFA) differ "quantitatively" but not "qualitatively" from typically developing peers on self-reported temperament. Temperament refers to early-appearing, relatively stable behavioral and emotional…
Descriptors: Autism, Pervasive Developmental Disorders, Personality, Measurement Techniques
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Tsai, Hsiao-Wei Joy; Cebula, Katie; Fletcher-Watson, Sue – Journal of Autism and Developmental Disorders, 2017
The influence of the broader autism phenotype (BAP) on the adjustment of siblings of children with autism has previously been researched mainly in Western cultures. The present research evaluated a diathesis-stress model of sibling adjustment using a questionnaire study including 80 and 75 mother-typically developing sibling dyads in Taiwan and…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Genetics