Five-Factor Theory of Personality
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Updated: Feb 6, 2026

Perspectives on Neuroscience
Published on: July 31, 2007
Robert R McCrae1, Angelina R Sutin2
1Gloucester, Massachusetts.
The Five-Factor Theory (FFT) offers a framework for personality research, but understanding trait change involves practical and ethical challenges. Personality psychologists can optimize adaptation by identifying practical causes for trait optimization.
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