>>13179374I like the OCEAN model myself, and I think both are fantastic when used together, as each model makes up for the weaknesses of the other.
For example, OCEAN measures Trust, while HEXACO generally measures only how trustworthy the individual is. The authors have claimed that people who are trustworthy are more likely to be trusting themselves, so going off of that, we could assume that people low in sincerity and fairness are very skeptical of others, but that seems like a convoluted and misguided assessment to me.
In OCEAN, the domains of Conscientiousness seem to be an expansion of Diligence in HEXACO, so that's a little fun there also.
The biggest change is obviously the H factor, which is measured under Agreeableness in the OCEAN model. So while a person can be low H but high A in HEXACO, all low H people are inherently low in Agreeableness in the OCEAN model, which is a clear flaw of the OCEAN model. I really like how HEXACO talks about how these low H but high A people:
