Psychoanalysis focused on understanding the unconscious motivations that determine behavior, while behaviorism studied the conditioning processes that produce behavior. Humanist thinkers believed that psychoanalysis and behaviorism were too pessimistic, either focusing on the most tragic emotions or failing to consider the role of personal choice. Humanism also suggests that people possess personal free will and that they are motivated to use this free will to pursue activities that will help them realize their full potential as human beings. This need for fulfillment and personal growth is a key motivator of all behavior. People continually look for new ways to grow, become better, learn new things, and experience psychological growth and