This document discusses various techniques of behavior therapy. It defines behavior therapy as focusing on modifying behaviors rather than exploring unconscious thoughts and feelings. It then describes several behavior therapy techniques including behavioral modification, systematic desensitization, aversion therapy, assertiveness training, cognitive behavior therapy, implosive therapy, and positive reinforcement techniques like response shaping, modeling, and token economies. Positive reinforcement techniques aim to increase desired behaviors by rewarding them. The document provides examples to illustrate how each technique can be applied.