HEXACO — The Six-Factor Model and the Honesty-Humility Dimension
Kibeom Lee and Michael Ashton's HEXACO model rebuilds personality from cross-language lexical studies and recovers a sixth factor the Big Five misses: Honesty-Humility. A guide to the six dimensions, what changed in Emotionality and Agreeableness, and the model's striking convergence with the yamas of yogic ethics.
HEXACO is a six-dimensional model of personality — Honesty-Humility, Emotionality, eXtraversion, Agreeableness, Conscientiousness, and Openness to Experience — built from lexical studies of personality words across many languages. Its signature is the sixth factor, Honesty-Humility, which the Big Five does not measure.
Key Insight
When researchers analyzed personality vocabularies in language after language — Korean, Italian, Hungarian, French, Polish, and more — a sixth grouping of words kept emerging that the five-factor solution had folded away or ignored: words for sincerity, fairness, lack of greed, and modesty. HEXACO's central claim is that this is not noise but a genuine dimension of character. Honesty-Humility predicts who exploits, manipulates, and takes more than their share — a stretch of human nature the Big Five leaves in shadow.
Sources
- Ashton, M. C., & Lee, K. (2007). Empirical, theoretical, and practical advantages of the HEXACO model of personality structure. Personality and Social Psychology Review, 11(2), 150–166.
- Lee, K., & Ashton, M. C. (2004). Psychometric properties of the HEXACO Personality Inventory. Multivariate Behavioral Research, 39(2), 329–358.
- Lee, Kibeom, and Michael C. Ashton. The H Factor of Personality — Wilfrid Laurier University Press, 2012.