Twenty White participants completed a test of their implicit racism towards African American people. As expected, the participants were quicker at identifying a negative word after presentation of an African American face than they were at identifying a positive word.
Half the students then received training in discriminating among African American faces, after which they re-took the implicit racism test and showed significantly reduced evidence of implicit racism. The other students, who acted as control group, were exposed to as many African American faces in the training period, but received no practice at discriminating among them. On re-testing, their implicit racism was unchanged.
The finding suggests that by improving people's ability to discriminate among other-race faces, their implicit racial biases can be reduced. This makes intuitive sense. After all, if people from a given race all seem to look alike, then it's not so hard to believe that they are similar in other ways too. In contrast, learning to see the visible differences between people of another race, makes it harder to lump them altogether in social and cultural ways.
"Our findings have great potential for how we understand and address the real-world consequences of racial stereotyping," the researchers said.
Sophie Lebrecht, Lara J. Pierce, Michael J. Tarr, James W. Tanaka (2009). Perceptual Other-Race Training Reduces Implicit Racial Bias. PLoS ONE, 4 (1) DOI: 10.1371/journal.pone.0004215
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