Before revision:   We test the model's prediction using US political survey data on how political independents are perceived by registered party members , as well as existing experiments on the perception of racially ambiguous faces, and find support .
After revision:  As a result, each group sees the individuals in the middle of the attribute space as an out-group. We test the model's prediction using US political survey data on how political independents are perceived by registered party members , as well as existing experiments on the perception of racially ambiguous faces, and find support .