An award-winning, interactive, multimedia tutorial that will help you master the key concepts, terms, and approach of Relational Frame Theory (RFT), a behavior-analytic account of human language and cognition. RFT provides a framework for an analysis of complex human behavior that serves as the basis of promising new interventions in applied behavior analysis or ABA (e.g., PEAK Relational Training System) and clinical psychology (e.g., Acceptance and Commitment Therapy).