You conclude that old dogs can't learn some new tricks, but that other new tricks are no problem. Plagiarism is an act of academic dishonesty. Birds of a feather flock together. Violent pornography is an outlet for sexual aggression. Boys are better at math than girls.
Girls are less aggressive than boys.
Women are more empathetic than men. Out of sight, out of mind. If you can't beat 'em, join 'em. List the variables. List the variables.