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Contemporary theories and empirical findings

Another contemporary theory is the integrated threat theory (ITT), which was developed by Walter G Stephan. It draws from and builds upon several other psychological explanations of prejudice and ingroup/outgroup behaviour, such as the realistic conflict theory and symbolic racism. It also uses the social identity theory perspective as the basis for its validity; that is, it assumes that individuals operate in a group-based context where group memberships form a part of individual identity. ITT posits that outgroup prejudice and discrimination is caused when individuals perceive an outgroup to be threatening in some way. ITT defines four threats: