HEXACO is a six-factor personality model developed by Michael Ashton and Kibeom Lee in the early 2000s. It builds on Big Five by adding Honesty-Humility as a distinct sixth dimension and reframing Emotionality and Agreeableness. The Honesty-Humility factor predicts ethical behaviour, leadership integrity, and relational trustworthiness in ways Big Five misses. HEXACO has strong cross-cultural validation and test-retest reliability between 0.80 and 0.90. NAVRYN measures HEXACO as one of 11 frameworks in a free 78-question assessment.
HEXACO is the personality framework that solved a problem Big Five didn't quite get right. Across decades of cross-cultural research, factor analysis kept surfacing a sixth dimension that Big Five compresses into Agreeableness - and that turned out to predict integrity, ethical behaviour, and trustworthiness better than any single Big Five factor.
This is the plain-English guide to HEXACO, why the H factor matters, and what NAVRYN reports back when you take the assessment.
What is HEXACO?
HEXACO is a six-factor personality model developed by Michael Ashton and Kibeom Lee in the early 2000s. The name is an acronym for the six factors:
- H - Honesty-Humility
- E - Emotionality
- X - Extraversion
- A - Agreeableness
- C - Conscientiousness
- O - Openness to Experience
The model emerged from a body of cross-cultural lexical research extending Cattell's earlier work. When researchers factor-analysed personality-descriptive words across multiple languages, a sixth factor consistently appeared that didn't fit cleanly into the Big Five structure - a factor capturing sincerity, fairness, modesty, and the tendency to avoid manipulation.
That factor became Honesty-Humility, and it's HEXACO's central contribution to personality science.
The six factors in plain terms
Honesty-Humility (H). Captures the tendency to be sincere, fair, modest, and to avoid using charm or manipulation for personal gain. High-H people are straightforward, treat others as equals, and don't game social or economic situations strategically. Low-H people are more willing to flatter, manipulate, or break rules when it benefits them - without necessarily crossing into clinical antisocial territory.
Emotionality (E). Captures emotional sensitivity, sentimentality, anxiousness, and the tendency to seek emotional support. Comparable to Big Five Neuroticism but with Agreeableness-related emotional content (sentimentality, attachment) included and aggression-related content excluded.
Extraversion (X). Captures sociability, liveliness, social confidence, and positive affectivity. Largely overlaps with Big Five Extraversion.
Agreeableness (A). Captures patience, tolerance, gentleness, and the tendency to forgive. The HEXACO Agreeableness factor is narrower than Big Five Agreeableness - the sincerity-and-fairness content has moved to Honesty-Humility, leaving Agreeableness focused on temperament and patience.
Conscientiousness (C). Captures organisation, diligence, perfectionism, and prudence. Largely overlaps with Big Five Conscientiousness.
Openness to Experience (O). Captures aesthetic appreciation, intellectual curiosity, creativity, and unconventionality. Largely overlaps with Big Five Openness.
The two factors that differ meaningfully from Big Five are Honesty-Humility (entirely new as a distinct dimension) and Agreeableness/Emotionality (recombined). The other three factors look very similar in both frameworks.
Why Honesty-Humility matters
Honesty-Humility isn't just a relabelling of existing Big Five content. It's a distinct factor that predicts outcomes Big Five misses.
A meaningful body of research has linked low Honesty-Humility to:
- Workplace counterproductive behaviour (theft, manipulation, freeloading)
- Aggressive, exploitative, or manipulative interpersonal behaviour
- Preference for high-status materialistic goals
- Lower performance in roles requiring integrity (e.g., compliance, trust-based client relationships)
Big Five's Agreeableness captures some of this but bundles it with patience and gentleness, which are different traits. HEXACO's separation makes the integrity-prediction signal cleaner.
For organisations, HEXACO is increasingly used in hiring for roles where integrity is load-bearing. For individuals, the H score is one of the most useful self-knowledge data points HEXACO provides - particularly when paired with Conscientiousness for the full picture of how you'll behave under pressure.
Where HEXACO sits scientifically
HEXACO has strong empirical support across multiple criteria.
Test-retest reliability. Sits between 0.80 and 0.90 for the six factors, comparable to Big Five.
Cross-cultural replication. This is HEXACO's strongest empirical claim. The six-factor structure replicates more cleanly than Big Five across multiple languages and cultures, particularly in non-Western samples. Where Big Five sometimes shows fuzzy factor boundaries cross-culturally, HEXACO tends to hold its structure.
Predictive validity. HEXACO predicts a range of outcomes - workplace behaviour, relational dynamics, ethical decision-making - at least as well as Big Five, and meaningfully better in domains where Honesty-Humility carries explanatory weight.
The fair read: HEXACO is one of the most academically respected personality frameworks currently in research use. It's a refinement of Big Five that solves real problems Big Five had. Big Five remains more dominant in mainstream applications, but HEXACO is gaining ground steadily, particularly in cross-cultural and integrity-related research.
When HEXACO is genuinely useful
The HEXACO read is most useful when:
- You want a personality framework with strong cross-cultural validation
- You're interested in integrity-related self-knowledge or workplace behaviour
- You're cross-validating Big Five against an independent six-factor instrument
- You're looking at relational trustworthiness, leadership ethics, or compliance-related fit
It is less useful when:
- You want the most parsimonious five-factor read (Big Five is more compact)
- You want occupational specificity for hiring (Caliper or OPQ are stronger)
- You want a behavioural style snapshot for fast team communication (DISC or MBTI is faster)
HEXACO is a refinement of Big Five. Use it where the Honesty-Humility signal carries weight.
Limitations worth naming
Less mainstream adoption. HEXACO is academically respected but less broadly used in commercial and consumer applications than Big Five. Most popular personality tests still default to Big Five or one of its derivatives. HEXACO-trained coaches and HEXACO-based reports are harder to come by in mainstream markets.
The H factor takes interpretation. Reading your own Honesty-Humility score is harder than reading Conscientiousness or Extraversion. People rarely think of themselves as low on integrity, even when their behaviour patterns suggest it. The factor surfaces best in cross-validation against external observation, which most self-report instruments don't include.
What NAVRYN reports for HEXACO
NAVRYN measures HEXACO as one of 11 frameworks in a single 78-question assessment. The HEXACO portion of the Personal Map reports:
- Scores across all six HEXACO factors - Honesty-Humility, Emotionality, Extraversion, Agreeableness, Conscientiousness, and Openness
- Cross-framework context - paired with Big Five, 16PF, Eysenck Dimensions, and the rest of NAVRYN's stack so you can see how the six-factor view aligns with and adds to the five-factor view
The HEXACO read is most useful in NAVRYN's stack as the integrity-and-cross-cultural-validation layer. If Big Five gives you the empirical baseline, HEXACO adds the H factor and cross-cultural robustness on top. The two frameworks agree on most of the underlying personality structure; HEXACO captures one important thing Big Five doesn't.
How HEXACO sits inside NAVRYN's 11 frameworks
HEXACO is one of 11 lenses. It pairs especially well with:
- Big Five for the direct comparison view - same factors at a coarser level
- 16PF for the granular trait-level read that sits underneath the six factors
- Eysenck Dimensions for the historical foundation that came before both
- Caliper Profile and OPQ Traits for occupational application of the integrity signal
Reading them together is what NAVRYN's Personal Map is built for. For more on how the frameworks complement each other, see the personality frameworks guide.
Take the assessment
If you've taken Big Five and want to see your scores on the six-factor refinement that adds Honesty-Humility, NAVRYN's version reports both alongside 9 other lenses in 15 minutes.
Take the NAVRYN free assessment - 11 frameworks, 78 questions, full report yours.