In the early aughts, Obie Pressman read Malcolm Gladwell's "Blink," and learned about an online test called the Implicit Association Test . The IAT, as it's known, records a person's automatic responses to words and images, and returns a result that claims to measure a person's level of implicit bias toward or against the thing measured. Gladwell took what has since become the most famous of the tests: the race test, which measures bias toward or against black and white people. Gladwell got an