Perceived polarization: Reconciling ingroup and intergroup perceptions under uncertainty

Two studies investigated how generalized uncertainty affects the tendency to coordinate perceptions of the ingroup with intergroup perceptions. Across two field studies, we found that uncertainty leads to a stronger association between the perceived entitativity of an ingroup and the extent of perceived attitude polarization between the ingroup and outgroup. Study 1 showed that, for striking grocery store employees, feelings of uncertainty were associated with enhanced coordination of ingroup entitativity and intergroup polarization. Study 2 primed Democrat and Republican partisans to feel either high uncertainty or high certainty. Those who felt uncertain associated their perceptions of their group's entitativity with perceived polarization of the two parties more strongly than did those who felt certain. Discussion centers on processes underlying the phenomena as well as the implications of the findings for political polarization in American society.