Lesson Objectives: At the end of this module, you should be able to: 1. discuss the concepts of psychological theories; and 2. formulate examples based on real life situations using the concept of the theory. PSYCHOLOGICAL THEORIES Psychological theories expressed that criminal behavior was the product of “unconscious” forces operating within a person’s mind. Conflicts occur at various psychosexual stages of development might impact an individual’s ability to operate normally as an adult and that if aggressive impulse is not controlled, or is repressed to an unusual degree, some aggression can “leak out” of the unconscious and a person can engage in random acts of violence (Bartol, 2002). Gabriel Tarde (1843-1904) in his theory of imitation believed that people learn from one another through a process of imitation (Siegel, 2004). These are some of the theories under psychological: 1. Psychodynamic or psychoanalytic psychology was originated by Viennese psychi...