With a group of classmates, identify the co- cultures to which each of you belongs. What in-groups do you belong to? You can best answer this question by thinking about whom you regard as belonging to out-groups. Based on your observations, consider the criteria you use to define in- and out-groups. Do you rely on race? Ethnicity? Age?

Lifestyle? How do your judgments about in- and out-group membership affect your communication with others?