A definitive, authoritative and up-to-date resource for anyone interested in the theories, models and assessment methods used for understanding the many factes of Human personality and individual differences. Volume 1: Personality Theories and Models deals with the major theoretical models underlying personality instruments.

Modern Personality Theories: What Have We Gained? What Have We Lost?

Modern personality theories: What have we gained? What have we lost?


My favorite among Stephen J. Gould's essays on natural history is ‘The horn of Triton’. Gould described how his original expectation that rules of size and composition would determine the structure of planetary surfaces was disconfirmed by evidence sent back by Voyager 2 from Triton, Neptune's largest moon:

I offer, as the most important lesson from Voyager, the principle of individuality for moons and planets. We anticipated greater regularity, but have learned that the surfaces of planets and moons cannot be predicted from a few general rules. To understand planetary surfaces, we must learn the particular history of each body as an individual object — ...

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