Regulating Together for Intellectual Disability and Autism: A Group Behavioral Therapy for for Emotion Dysregulation

Child Participant Inclusion Criteria:

* Males, females, or non-binary youth between 8 and 12 years of age
* Confirmed diagnosis of Autism Spectrum Disorder (ASD)
* Confirmed diagnosis of Intellectual Disability
* Fluent in spoken English.
* Use of flexible phrase speech or greater
* Meeting clinically significant emotion dysregulation criteria
* Willing to participate in twice weekly 90-minute sessions
* Family is willing to keep prescribed psychiatric medication and outside behavioral interventions stable
* Parent, guardian, or legally authorized representative (LAR) must provide written permission on behalf of the participant

Child Participant Exclusion Criteria:

* Initiation of new psychosocial intervention within 30 days prior to first day of treatment
* Presence of physical aggression in the child directed towards a peer outside the home (i.e., non-siblings) that resulted in injury within 30 days prior to screening. Other significant disruptive, aggressive, self-injurious, or sexually inappropriate behavior felt to be dangerous or overly disruptive to the group sessions will be reviewed by the study team on an individual basis.
* Presence of comorbid major neuropsychiatric illness warranting other treatment approaches
* Presence of any major sensory impairment that would limit participating in the material including blindness or uncorrected hearing loss

Caregiver Inclusion Criteria:

* Age ≥ 18 years
* Lives and cares for their child with ASD+ID for \> 50% of the year
* Fluent in spoken English.
* Willing to participate in twice weekly 90-minute sessions, including one virtual session weekly

Caregiver Exclusion Criteria:

-Presence of any major sensory impairment that would limit participating in the material including blindness or uncorrected hearing loss