Open Archive Day
A year ago, reflecting the rise of certain politicians and movements aiming to reinstate old-fashioned prejudice against anybody who is different from their definition of normal, I wrote a feature on the psychology of prejudice and the implicit association test (IAT) developed by Anthony Greenwald and Mahzarin Banaji.
As things are going right now, considering recent events in the US and election results from Italy, Germany, Brazil, a test for hidden bias like this will soon become obsolete, because our real problem will be with the outspoken bias marching down the street and assaulting people. But just to be extra sure you've no common ground with the prejudiced people coming out of their caves, you could take the IAT online, and/or read my feature about bias, which is on open access now:
Can we change our biased minds?