Research using the implicit association test reveals that % of participants show a pro-white bias. this the results of research examining the activation of the amygdala in response to black faces.

The answer to the first unknown is 90% while in the second unknown the answer is "supports". Hence, when in the research is using the implicit association test reveals that 50% of the total participants show a pro-white-bias. This is an indication that the results of research examining the activation of the Amygdala in response to black faces.