OSCAR is a coaching model that stands for Open, Supportive, Challenging, Affirming and Reflective. It was developed by Behavior Tech in the 1990s and is used to coach people who are struggling with addiction or mental health issues. The OSCAR Coaching Model promotes a positive and supportive environment where individuals are open about their struggles and work together to find solutions. The model is also designed to promote effective communication skills, which can be useful in any type of relationship.