I just wanted to add a sidebar/support here. This Stanford study about how the "voices" associated with schizophrenia vary widely according to culture suggests that culture (and of course family) have a profound effect upon the expression of any trait; perhaps to the extent of forcing something that becomes a clinical disorder.
For instance, the leader/follower ratio. You can even assume perfect rationality on the part of all actors; even with that assumption, nobody can rationally act outside of what their context will permit. That context is culturally enforced; suppressing or limiting the expression of various sorts of personality and intelligence. So a person who could be a leader still... (read more)
I just wanted to add a sidebar/support here. This Stanford study about how the "voices" associated with schizophrenia vary widely according to culture suggests that culture (and of course family) have a profound effect upon the expression of any trait; perhaps to the extent of forcing something that becomes a clinical disorder.
For instance, the leader/follower ratio. You can even assume perfect rationality on the part of all actors; even with that assumption, nobody can rationally act outside of what their context will permit. That context is culturally enforced; suppressing or limiting the expression of various sorts of personality and intelligence. So a person who could be a leader still... (read more)