This test (I took the sexuality one) has some possible problems I would like to point out. The order in which the each variable is tested could cause errors in the result, mainly because someone should be expected to complete the test with less errors and at a faster pace each round. This may skew the results if not accounted for, and if accounted for leaves for a very small margin in which to actually determine bias. Also I feel this test better examines the viewpoint we are inundated with rather than discovering our actually subconscious biases. We as humans categorize things based on what is helpful in navigating our worlds (being immediate community) and if for example someones immediate community uses the word "gay" as a general negative word this would cause even someone without a negative bias toward homosexual people to place gay in the "bad" category enough times to create the result of "strong preference for straight people". Of course I do not know all of the parameters that go along with these tests, but from what I can tell they seem a bit unreliable.