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It is now well-established that stereotypes can become activated unintentionally and outside of awareness by the presence of the relevant group features. There is also a long tradition of theory and evidence that perceptual and behavioral processes are intimately related (e.g., Berkowitz, 1984; James, 1890; Piaget, 1948). Considering these two phenomena together suggests that stereotype activation can cause the perceiver to act in stereotype-consistent ways, and recent evidence confirms this prediction (Bargh, Chen, & Burrows, 1996). The present study extended these findings by showing that the perceiver's stereotype-consistent behavior causes the target person to reciprocate in kind, thereby confirming the perceiver's stereotypic beliefs. Compared to a control condition, subliminal activation of the African American stereotype in participants resulted in greater hostility in their interaction partners (as rated by outside judges) and more extreme hostility ratings of the targets by their perceiver partner.
Chen et al. (Mon,) studied this question.