There are certainly a lot more men than women in prison, especially if you look specifically at crimes of violence. However, lumping this together with variations in ability seems like a wilful embracing of the halo/horns effect; it seems like much of it will come from variations in sociopathy, enjoyment of violence, and other such characteristics that needn’t go along with worse performance as (say) a scientific lab manager.
Note that the number of people who are in jail doesn’t merely depend on how many commit crimes, it depends on how many get caught committing crimes, and that such a statistic would anticorrelate with intelligence is very nearly obvious to me.
Yes, that’s a good point. How big the effect is depends on how the probability of getting caught varies with intelligence: I agree that it will almost always anticorrelate, but the dependence could be very strong or very weak. Anyone got any statistics on that?
Hmm. It might be possible to indirectly get some information about them by comparing the kinds of people that get caught for premeditated crime with the kinds of people that get caught for crimes of impulse, and then adjusting for any correlation of intelligence with self-control. The latter ought to be harder to cover up.
Note that the number of people who are in jail doesn’t merely depend on how many commit crimes, it depends on how many get caught committing crimes, and that such a statistic would anticorrelate with intelligence is very nearly obvious to me.
(I agree with most of the rest of your comment.)
Yes, that’s a good point. How big the effect is depends on how the probability of getting caught varies with intelligence: I agree that it will almost always anticorrelate, but the dependence could be very strong or very weak. Anyone got any statistics on that?
I’d guess people who commit crimes but don’t get caught are very, very hard to get statistics about.
Hmm. It might be possible to indirectly get some information about them by comparing the kinds of people that get caught for premeditated crime with the kinds of people that get caught for crimes of impulse, and then adjusting for any correlation of intelligence with self-control. The latter ought to be harder to cover up.