| Clear Direction | | Provides personal and professional profiles based on the theories of Axiology. |
| Gregorc Associates | | Training, consulting and publishing firm directed by Dr. Anthony F. Gregorc, the creator of the Mind Styles Model; originator of the four style types: Concrete Sequential (CS), Abstract Sequential (AS), Abstract Random (AR) and Concrete Random (CR); and the developer of the Gregorc Style Delineator. |
| Personality and Consciousness | | Personality theories, processes and disorders. Maslow, Freud, Jung, Adler, Rogers, Skinner. Quotations, descriptions of work, links. |
| Personality Theories | | E-text designed for courses in personality theories, addressing psychoanalytic, behavioristic, and humanistic schools of thought, by Dr. C. George Boeree, Psychology Department, Shippensburg University. |
| Perspectives | | Existential theory of personality, including an outline of seven common personal perspectives on the world and a number of phenomenological sketches. |
| Psychobiography | | A scholarly resource for psychobiography. Contents include an annotated bibliography of psychobiographical research, articles, and links. |
| Ptypes | | A comprehensive and systematic classification of 16 personality types. Criteria and links to pages about persons within each personality group. |
| Revelle.net | | Prof Revelle's (Northwestern University) site covers personal and individual differences research. |
| Risktaking.co.uk | | An introduction to the psychology of risk-taking behavior, focusing upon the personality profiles associated with high-risk sports and health-risk behaviors. |
| Riverside Accuracy Project | | The Riverside Accuracy Project investigates the determinants of accurate personality judgments of others. |
| Self-Determination Theory | | Research-based theory of human motivation and personality in social contexts. Includes researcher profiles, reference lists, selected articles for download in PDF, and research questionnaires and scoring instructions. |
| Temperament.com | | Temperamental individuality in infants, children and adults. Research and practical information about temperamental characteristics in research and practice. | |
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