Few comparative studies have evaluated the heterogeneity of sociability across a range of neurodevelopmental disorders. The Sociability Questionnaire for People with Intellectual Disability (SQID) was completed by caregivers of individuals with Cornelia de Lange (n = 98), Angelman (n=66), Fragile X (n=142), Down (n=117) and Rubinstein Taybi (n=88) syndromes and autism spectrum disorder (ASD; n = 107). Between groups and age-band (,12yrs; 12-18yrs;.18yrs) comparisons of SQID scores were conducted. Rates of behaviors indicative of selective mutism were also examined. Fragile X syndrome achieved the lowest SQID scores. Cornelia de Lange, ASD, and Fragile X groups scored significantly lower than Angelman, Down and Rubinstein Taybi groups. Selective mutism characteristics were highest in Cornelia de Lange (40%) followed by Fragile X (17.8%) and ASD (18.2%). Age-band differences were identified in Cornelia de Lange and Down syndrome.
CITATION STYLE
Moss, J., Nelson, L., Powis, L., Waite, J., Richards, C., & Oliver, C. (2016). A comparative study of sociability in Angelman, Cornelia de Lange, Fragile X, Down and Rubinstein Taybi syndromes and autism spectrum disorder. American Journal on Intellectual and Developmental Disabilities, 121(6), 465–486. https://doi.org/10.1352/1944-7558-121.6.465
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