Previous research has examined the real-time cognitive processes underlying perceivers’ ability to resolve racial ambiguity into monoracial categorizations, but such processes for multiracial categorizations are less clear. Using a novel, three-choice mouse-tracking paradigm, we found that when perceivers categorized faces as multiracial their hand movements revealed an initial attraction to a monoracial category (study 1). Moreover, exposure to multiracial individuals moderated these effects. When measured (Study 2) or manipulated (Study 3), multiracial exposure reduced monoracial category activation and activation occurred for both morphed and real multiracial faces (Study 4). Together, the findings suggest that multiracial categorizations emerge from dynamic competition between relatively more accessible monoracial categories and a less-accessible multiracial category, which is attenuated through greater exposure to multiracial targets. This research is the first to chart out the real-time dynamics underlying multiracial categorizations and offers a new theoretical account of this increasingly common form of social categorization.
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