Behavior therapy is a form of psychotherapy that focuses on changing unhealthy or maladaptive behaviors through evidence-based techniques. It is rooted in the principles of behaviorism, which emphasizes observable and measurable behaviors rather than internal states like thoughts and emotions. Behavior therapy often uses techniques such as reinforcement, punishment, modeling, and exposure to help individuals develop healthier behaviors. Common issues addressed with behavior therapy include anxiety, phobias, depression, and behavioral problems in children. This approach is widely used by therapists, counselors, and behavior analysts.