Your high school is considering the use of school uniforms

You originally thought that the idea had merit. However, your crowd at school is organizing a protest of this "violation to personal freedom" and want you to participate. When your parents hear that you were part of the cafeteria protest, they are a bit surprised by your change in attitude. Your new attitude was acquired through
a. direct contact.
b. symbolic prejudice.
c. chance conditioning.
d. group membership.

ANSWER: d