“…Social scientists have asked whether this change signals a broadening of predominant definitions of cultural membership, as well as a heightened awareness of differentiation among blacks (opposing middle class and ghetto blacks) (e.g. Bobo and Charles, 2009;Kloppenberg, 2010;Sugrue, 2010 African-Americans to belong to this group) and group categorization (the meaning given to this group by out-group members (also Cornell and Hartman, 1997). Hence, understanding responses to stigmatization requires considering the formation of collective identities: how "us" and "them" are mutually defined, and how individuals and groups engage in boundary work in responding to stigmatization, both in private (when they ruminate about past experiences and how to make sense of their experiences), and in public, when they interact with others while reacting to specific events or incidents.…”