Type of Document	Thesis
Author	Miller, Saul Lawrence
Author's Email Address	smiller@psy.fsu.edu
URN	etd-04072008-143744
Title	Self-Protective Biases In Group Categorization: What Shapes The Psychological Boundary Between "Us" And "Them"?
Degree	Master of Science
Department	Psychology, Department of
Advisory Committee	Advisor Name Title Jon Maner Committee Chair Ashby Plant Committee Member Colleen Kelley Committee Member
Keywords	Evolutionary Psychology Categorization Race Threat
Date of Defense	2008-03-28
Availability	unrestricted
Abstract In the current research, factors indicating a potential vulnerability to threat were shown to promote functionally adaptive biases during group categorization. White participants who held strong beliefs about vulnerability to interpersonal threats demonstrated an outgroup categorization bias when target persons displayed evolutionarily relevant cues suggesting an intention to harm (i.e. an angry facial expression), leading to an increased categorization of racially ambiguous faces as Black. Effects were observed only for targets displaying an angry facial expression – targets who pose especially potent threats to one’s physical safety. No effects were found for targets displaying other non-threatening facial expressions, or for participants who tended not to hold strong beliefs about vulnerability to interpersonal threats. Findings are consistent with a functionalist perspective suggesting that factors related to the goal of self-protection can facilitate biases during group categorization aimed at avoiding potential threats.
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