According to Social Identity Theory, which statement best captures how group membership influences self-concept?

• A. Identity is entirely personal and group membership has no effect.
• B. People derive part of their identity from group memberships and prefer positive distinctions for the in-group over the out-group.
• C. Individuals ignore group norms when forming self-concept.
• D. Self-concept is determined solely by personal achievements.

Answer: (B)