Freud's Theories of Psychological Development. This six-page undergraduate paper discusses Sigmund Freud's theories of psychological development. The structural theory is about the id, ego and superego, their interaction and how equilibrium between them is necessary for a human to grow normally. The psychosexual stages of development outline the oral, anal, phallic, latency and genital stages. The Oedipus Complex must also be resolved in order for a person to develop healthily. 6 pgs. Bibliography lists 5 sources. Pages: 6 Bibliography: 5 source(s) listed Filename: 7146 Freud's Theories Development.doc Price: 53.70