2. The Language of Personality: Lexical Perspectives on the Five-Factor Model, Gerard Saucier and Lewis R. Goldberg

3. Toward a New Generation of Personality Theories: Theoretical Contexts for the Five-Factor Model, Robert R. McCrae and Paul T. Costa, Jr.

4. A Dyadic Interactional Perspective on the Five-Factor Model, Jerry S. Wiggins and Paul D. Trapnell

5. A Socioanalytic Perspective on the Five-Factor Model, Robert Hogan

6. Social Adaptation and Five Major Factors of Personality, David M. Buss