Which of the Following Research Findings Provides the Best Evidence

Which of the following research findings provides the best evidence that a person's responses on the implicit association test (IAT) are likely to be predictive of discriminatory behavior?

A) IAT scores and scores on the Modern Racism Scale tend not to be highly correlated.
B) IAT scores are significantly correlated with neural activation of the amygdala.
C) IAT scores are significantly correlated with the degree to which participants speak to and smile at a white versus black experimenter.
D) Both young and older participants show prejudice in favor of the young on the IAT.