Richard E. Nisbett has said that the question of whether IQ differences between Blacks and Whites have a genetic basis goes back at least a thousand years, when invading Moors speculated that Europeans might be congenitally incapable of abstract thought.
The question of whether IQ differences between Blacks and Whites have a genetic basis goes back at least a thousand years. This was what Richard E. Nisbett has said. Europeans might be congenitally incapable of abstract thought. This was what Invading Moors speculated.