sentences:  Empirical research has only found weak support for role of outgroup knowledge in prejudice reduction; however, the affective mechanisms of intergroup anxiety and outgroup empathy have accumulated extensive empirical support.The reduction of prejudice through intergroup contact can be described as the "reconceptualization of group categories".Allport (1954) claimed that prejudice is a direct result of generalizations and oversimplifications made about an entire group of people based on incomplete or mistaken information.