"Implicit Association Tests" (IATs) can tap those hidden, or automatic, stereotypes and prejudices that circumvent conscious control. Project Implicit — a collaborative research effort between researchers at Harvard University, the University of Virginia, and University of Washington — offers dozens of such tests.
They believe the IAT procedure may be useful beyond the research purposes for which it was originally developed. It may be a tool that can jumpstart our thinking about hidden biases: Where do they come from? How do they influence our actions? What can we do about them?