which theorist published research related to the psychology of personality?
Personality psychology is the focus of some of the best known psychology theories by a number of famous thinkers including Sigmund Freud and Erik Erikson. In this section of the personality study guide, learn more about some of the major theories of personality and the psychologists who developed them.
Tripartite Theory of Personality. Freud (1923) saw the personality structured into three parts (i.e. tripartite), the id, ego and superego (also known as the psyche), all developing at different stages in our lives. These are systems, not parts of the brain, or in any way physical.