Gordon Allport pioneered this approach.
Personality is explained through consistent, enduring 'traits.'
Allport's trait hierarchy:
1. Cardinal traits: Dominate entire life (rare)
2. Central traits: 5-10 core characteristics
3. Secondary traits: Appear in specific situations
Raymond Cattell:
Factor analysis yielded 16 Personality Factors (16PF)
Hans Eysenck:
3-dimensional model: Extraversion, Neuroticism, Psychoticism
Modern: Big Five (OCEAN)
The most scientifically validated trait model
Strengths of trait theory: Measurable, predictive
Limitation: May underestimate situational influences
Personality
Trait Theory
Personality is a combination of stable traits