Implicit Association Test Thoughts

I'm reading Blink by Malcolm Gladwell, whose books I always find interesting. In Chapter 3 he discusses unconscious biases as measured by Implicit Association Tests (IATs). You can take a bunch of different IATs at http://www.implicit.harvard.edu , but the one Gladwell describes in most detail is the Race IAT:

I've taken the Race IAT on many occasions, and the result always leaves me feeling a bit creepy. At the beginning of the test, you are asked what your attitudes toward blacks and...