In "IQ and Personality" (March 14, 2004), I said "if you encounter an INTJ (Introverted, iNtuitive, Thinking, Judging), there is a 37% probability that his IQ places him in the top 2 percent of the population." That is, among the 16 personality types in the Myers-Briggs taxonomy, INTJs are the most likely (by a large margin) to have a very high IQ.
A reader has commented on my use of the masculine pronoun in the passage quoted above: "Just letting you know that I am an INTJ and I am a female."
I'm guilty of lazy writing, for which I apologize. Even though I'm a type-proud, male INTJ, I don't assume that all INTJs are males.