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Brierley, Noah J.; McDonnell, Christina G.; Parks, Kaitlyn M. A.; Schulz, Samantha E.; Dalal, Tyler C.; Kelley, Elizabeth; Anagnostou, Evdokia; Nicolson, Robert; Georgiades, Stelios; Crosbie, Jennifer; Schachar, Russell; Liu, Xudong; Stevenson, Ryan A. – Journal of Autism and Developmental Disorders, 2021
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…
Descriptors: Factor Structure, Behavior Problems, Repetition, Autism
Flowers, Jacqueline; Lantz, Johanna; Hamlin, Terry; Simeonsson, Rune J. – Journal of Autism and Developmental Disorders, 2020
Self-injurious behavior (SIB) occurs in up to 50% of individuals with autism. As one of the most serious conditions in individuals with developmental disabilities, SIB affects the individual and his or her family in multiple contexts. A systematic analysis of factors most commonly associated with SIB could inform the development of individualized…
Descriptors: Self Destructive Behavior, Injuries, Autism, Pervasive Developmental Disorders
Nicholls, Gemma; Hastings, Richard P.; Grindle, Corinna – European Journal of Special Needs Education, 2020
Previous research is not conclusive in detailing the prevalence of challenging behaviour and its correlates in children with intellectual disabilities in school settings in particular. In the current study, an amended version of the Behaviour Problems Inventory -- Short Form was used to collect data from a sample of 321 students in a special…
Descriptors: Student Behavior, Behavior Problems, Intellectual Disability, Special Schools
McTiernan, Aoife; Leader, Geraldine; Healy, Olive; Mannion, Arlene – Research in Autism Spectrum Disorders, 2011
The current study evaluated risk factors for the occurrence, frequency and severity of challenging behavior among a sample of individuals with a diagnosis of autism, under the age of eighteen, in Ireland. Age, gender, hours of intervention received, age at diagnosis, presence of challenging behavior at diagnosis and treatment type at diagnosis…
Descriptors: Intervention, Self Destructive Behavior, Autism, Intelligence Quotient
Mehtar, Mohamad; Mukaddes, Nahit Motavalli – Research in Autism Spectrum Disorders, 2011
Although children and adolescents with developmental disabilities are said to have higher risks of abuse than those without, trauma and Posttraumatic Stress Disorder (PTSD) are little examined in those diagnosed with Autistic Spectrum Disorders (ASDs). Our study aims to assess trauma types, prevalence, risk factors and symptoms; and PTSD in…
Descriptors: Accidents, Emotional Problems, Behavior Problems, Autism