According to a 1972 study of mental ability among ethnic groups by Margaret E. Backman, the average intelligence scores of American Jews in various aspects of mental ability, with the average performance of White non-Jews taken as the point of
According to a 1972 study of mental ability among ethnic groups by Margaret E. Backman, the average intelligence scores of American Jews in various aspects of mental ability, with the average performance of White non-Jews taken as the point of