FamilyCHESS
BehavioralParticipants will have access to the FamilyCHESS system on their personal smartphone. FamilyCHESS incorporates Invitation to Change (ITC), a combination of Community Reinforcement and Family Training (CRAFT), Acceptance and Commitment Therapy (ACT), and Motivational Interviewing (MI) training principles and components for a CSO (e.g., parent, spouse/romantic partner, adult child, other family member or friend) to encourage and support the patient to engage in treatment.