 their own experience), trusting that they will find the right words to say and the right approach to use in the immediate situation to stimulate the students' understanding of the "Three Principles".Rapport with students and a positive mood in the session or class are more important than the specific content of the facilitator's presentation.A 2007 peer-reviewed article evaluating the effectiveness of HR suggests that the results of residential substance abuse treatment structured around the teaching of HR are equivalent to those of treatment structured around 12-step programs.