The historical development of psychotherapy theories, developmental stages and their characteristics will be compared and analyzed, both advantages and disadvantages will be compared and evaluated. Understanding behavioral and mental processes will be described and evaluated as well as understanding the relationship between theoretical and applied practices. Research done in the field of psychotherapy will analyzed and critically evaluated. In addition basic techniques used in psychotherapeutic approaches will be demonstrated with students so that when they go for their internship, they will have a better understanding of which psychotherapeutic approaches and practices are being used. Also, during the course, students will have the opportunity to develop the basic skills necessary for conducting psychotherapy.