How were tests used in the United States to support the notion of racial differences in intelligence and the alleged inferiority of immigrants?
The development of tests of psychology movement turned into a part of controversies which were social which persists even today. There was good amount of concern in public that the physicians examining the novel arrivals were not able to avoid mentally disabled people from making an entry in the country.
Goddard trusted that the doctors were recognizing not more than 10% of people with retardations of mind. He advocated that psychologists perform the experiments rather than using translation of test of intelligence by Binet.
Later on, experimenting on populations which were immigrants showed, in accordance to results of tests by Goddard, that the bulk- Russians being 87%, Jews being 83%, Hungarians being 80%, and Italians being 79%- were confused, with the age of mind below 12.
This proof from the experiments was then utilized for supporting legislation of federal inhibiting the immigration of ethnic and racial groups presumed to be lesser in intelligence.
The ideology of differences of races in intelligence got further support in the year of 1921 where obtained results from First World War examining of the recruits from army were turned public.
The data displayed that immigrant from Latin America and Mediterranean and blacks had lesser quotients of intelligence as compared to whites. Just immigrants from north Europe had equivalent IQs as compared to whites. Such observations led to queries among journalists, scientists and politicians.