The "H" in the H factor stands for "Honesty-Humility," one of the six basic dimensions of the human personality. People who have high levels of H are sincere and modest; people who have low levels are deceitful and pretentious. It isn't intuitively obvious that traits of honesty and humility go hand in hand, and until very recently the H factor hadn't been recognized as a basic dimension of personality. But scientific evidence shows that traits of honesty and humility form a unified group of personality traits, separate from those of the other five groups identified several decades ago....