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Rojahn, Johannes; Wilkins, Jonathan; Matson, Johnny L.; Boisjoli, Jessica – Journal of Applied Research in Intellectual Disabilities, 2010
Challenging behaviour may not be part of the diagnostic criteria for Autistic Disorder but they are frequently exhibited by children and adults with this condition. Levels of challenging behaviours are highest in individuals with an autism spectrum disorder (ASD) and co-occurring intellectual disability (ID). The sample for this study consisted of…
Descriptors: Behavior Problems, Mental Retardation, Autism, Test Validity