Generally speaking, the nature of man consists of three main parts: the mind (intelligence), the body (biological composition) and the spirit (emotional composition). As thoughts and bodies are well studied in behaviorism and psychoanalysis, their spirit has become increasingly common since the middle of the 20th century. In the early 1960s, the movement called Third Power Psychology began to respond to defects in behaviorism and psychoanalysis in order to fully cope with human conditions (Hergenhahn, 2008). This third type of power movement is humanitarian psychology, which refers to a combination of romantic philosophy and existentialism.
In the 20th century, humanitarian psychology was called "third power" in psychology, which was completely different from previous and less humanistic psychoanalytic and behavioristic methods. In society after the industrial revolution, humanitarian psychology becomes more important, for example psychoanalysis and behaviorism do not produce emotional intelligence. One of the earliest materials of humanist psychology was the work of Carl Rogers, who was strongly influenced by Otto Rank, who became friends with Freud in the mid 1920's. The focus of Rogers is to ensure that the development process leads to a more healthy and creative personality. Rogers also advocated the term "realization tendency" which ultimately led Abraham Maslow to regard self realization as one of human needs. Rogers and Maslow showed this positive humanitarian psychology according to what they thought they were overly pessimistic psychoanalytic views.
Abraham Maslow and the birth of humanistic psychology. Abraham Maslow (1908-1970) was the most responsible person in the creation of humanitarian psychology. He converts the wide range of desires for various types of psychology theory and practice into chunks of humanities psychology, journals, conferences, and formal organizations. His self and the theory of self-fulfillment lay the foundation of later humanist psychologist (1962, 3 pages). Customer-centric or human-centered approaches to treatment of Carl Rogers and Sidney Jurald's self-disclosing psychology partially explain the interpersonal conditions that are most useful for awakening and achieving inner self.