Defining Personality:
Personality is made up the characteristic patterns of thoughts, feelings, and behavior that make a person unique. Personality arises from within the individual and remains fairly consistent throughout life. You can learn more about the basic components of personality in the following article: What is Personality?
Theories of Personality:
A number of different theories have emerged to explain different aspects of personality. Some theories focus on explaining how personality develops while others are concerned with individual differences in personality. The following are just a few of the major theories of personality proposed by different psychologists: Trait Theories
- Gordon Allports dispositional perspective
- Hans Eysencks three-trait model
- Myers-Briggs Types
- Big Five Personality Dimensions
Psychoanalytic Theories
- Freuds Theory of Psychosexual Development
Freud's theory of psychosexual development is on of the best known personality theories, but also one of the most controversial. Learn more about the psychosexual stages of development.
Learn more about Erikson's Theory of Psychosocial Development. According to Erikson, each stage plays a major role in the development of personality and psychological skills.
Theorist Karen Horney developed a list of neurotic needs that arise from overusing coping strategies to deal with basic anxiety. Learn more about these neurotic needs described by Horney.
Behavioral Theories
- Classical Conditioning
Classical conditioning is one of the best-known concepts of behavioral learning theory. Find information in this introduction to classical conditioning. - Operant Conditioning
Operant conditioning is one of the fundamental concepts in behavioral psychology. Learn more about the effects of rewards and punishments on behavior.
Humanist Theories
- Maslows Hierarchy of Needs
Abraham Maslows hierarchy of needs emphasizes the importance of self-actualization and is often pictured as a pyramid. Learn more about the five levels in Maslows hierarchy of needs.
Personality Disorders:
An estimated 10 to 15% of adults in the United States experience symptoms of at least one personality disorder. What are personality disorders? A personality disorder is a chronic and pervasive mental disorder that affects thoughts, behaviors, and interpersonal functioning. The DSM-IV currently lists 10 different personality disorders, which you can learn more about in the following article: Overview of Personality Disorders
Personality Tests:
You can find a number of personality tests here on the About Psychology site. These tests and quizzes are designed to give readers an idea of how formal assessments are used. However, these personality tests are not intended for use in assessment or diagnosis.

