Before the 1920s, social scientists agreed that whites were superior to blacks, but they needed a way to prove this in order to back social policy in favor of whites. They felt the best way to gauge this was through testing intelligence. By interpreting the tests to show favor to whites these test makers' research results portrayed all minority groups very negatively.
In 1908, Henry Goddard translated the Binet intelligence test from French and in 1912 began to apply the test to incoming immigrants on Ellis Island. Some claim that in a study of immigrants Goddard reached the conclusion that 87% of Russians, 83% of Jews, 80% of Hungarians, and 79% of Italians were feeble-minded and had a mental age less than 12. Some have also claimed that this information was taken as "evidence" by lawmakers and thus it affected social policy for years.
Bernard Davis has pointed out that, in the first sentence of his paper, Goddard wrote that the subjects of the study were not typical members of their groups but were selected because of their suspected sub-normal intelligence. Davis has further noted that Goddard argued that the low IQs of the test subjects were more likely due to environmental rather than genetic factors, and that Goddard concluded that "we may be confident that their children will be of average intelligence and if rightly brought up will be good citizens"
