Journal article
Factor Structure of Repetitive Behaviors Across Autism Spectrum Disorder and Attention-Deficit/Hyperactivity Disorder
Abstract
Restricted interests and repetitive behaviors (RRBs) are core symptoms of autism spectrum disorder (ASD), and commonly occur in attention-deficit/hyperactivity disorder (ADHD). Little is known about how RRBs manifest in ADHD. We quantified and compared factor structures of RRBs in children with ASD (n = 634) or ADHD (n = 448), and related factors to sex and IQ. A four-factor solution emerged, including Stereotypy, Self-Injury, Compulsions, and …
Authors
Brierley NJ; McDonnell CG; Parks KMA; Schulz SE; Dalal TC; Kelley E; Anagnostou E; Nicolson R; Georgiades S; Crosbie J
Journal
Journal of Autism and Developmental Disorders, Vol. 51, No. 10, pp. 3391–3400
Publisher
Springer Nature
Publication Date
10 2021
DOI
10.1007/s10803-020-04800-0
ISSN
0162-3257