trait theory is an approach to the study of human personality- defined as habitual patterns of behavior, thought, and emotion.
Psychoanalytic theory originated with the work of Sigmund Freud. Through his clinical work with patients suffering from mental illness, Freud came to believe that childhood experiences and unconscious desires influenced behavior. Based on his observations, he developed a theory that described development in terms of a series of psychosexual stages. According to Freud, conflicts that occur during each of these stages can have a lifelong influence on personality and behavior.
Social cognitive theory, used in psychology, education, and communication, posits that portions of an individual's knowledge acquisition can be directly related to observing others within the context of social interactions, experiences, and outside media influences.
Albert Bandura (1925 - ) is best known for his Social Learning Theory, which states learning happens by observing others and modeling their behaviors.

Humanistic approach to psychology advocated by some that emphasizes feelings and emotions and the betterunderstanding of the self in terms of observation of oneself and one's relations with others
The work of sociocultural theory is to explain how individual mental functioning is related to cultural, institutional, and historical context; hence, the focus of the sociocultural perspective is on the roles that participation in social interactions and culturally organized activities play in influencing psychological development.
Psychotherapy = the treatment of mental disorder by psychological rather than medical means.
Goals = Healthy thinking Healthy feeling Healthy behaving
Psychoanalysis - a system of psychological theory and therapy that aims to treat mental disorders by investigating the interaction of conscious and unconscious elements in the mind and