Final answer:
The scenario described in the question is an example of normative social influence, specifically normative conformity. In this case, Michelle agrees to go watch a horror movie with her friends, even though she doesn't like horror movies, because she wants them to like her.
Step-by-step explanation:
The scenario described in the question is an example of normative social influence, specifically normative conformity. Normative social influence occurs when people conform to a group norm to fit in, feel good, and be accepted by the group. In this case, Michelle agrees to go watch a horror movie with her friends, even though she doesn't like horror movies, because she wants them to like her.