http://www.tolerance.org/hidden_bias/02.html In the United States, equality is protected by the Constitution and supported by civil rights laws. Yet reports of unequal treatment because of skin color, religion, gender, age, sexual orientation, country of origin, ability and other differences persist. This site presents tests created by psychologists at Yale University and the University of Washington. This collection of Implicit Association Tests (IAT) measures unconscious bias. Each test takes about five minutes, and your privacy is protected.