RecruitingBehavioural interventionRegulating Together for Intellectual Disability: A Group Behavioral Therapy for for Emotion Dysregulation in Autism and Intellectual DisabilityThe goal of this study is to help children with autism and a co-occurring intellectual disability and their families learn practical strategies for managing issues like irritability, aggression, and other challenging behaviors. The main objective of this study is: To adapt current Regulating Together materials to create an outpatient group program for emotion dysregulation in autism and co-occurring intellectual disability (ASD + ID) that will improve psychosocial outcomes for youth with ASD + ID.