This document provides an overview of several theories of personality:
1) Psychoanalytic theory proposed by Freud which emphasizes unconscious motivations and defenses. It describes the mind as having an id, ego, and superego.
2) Trait theory which describes personality in terms of characteristic patterns of behavior. Popular personality tests measure traits.
3) Humanistic theory focuses on self-concept, self-esteem, and achieving one's potential.
4) Socio-cognitive theory views behavior as influenced by social and cognitive factors like perceived control over one's environment. It emphasizes how cognition shapes behavior.