Kentaro hates to wear ties but wears one to his sister's wedding to avoid his family's disapproval. Kentaro's behavior exemplifies the importance of

A) groupthink.
B) informational social influence.
C) normative social influence.
D) social facilitation.

Normative social influence refers to conforming to the expectations of a group in order to gain acceptance or avoid disapproval. In this scenario, Kentaro is conforming to the norm of wearing a tie to a formal event, even though he personally dislikes wearing them, in order to avoid disapproval from his family.