Joyce has the potential to be an honor student but frustrates her teachers because of her actions. rather than working to succeed, she tends to "dummy down" to act more like the students that she hangs out with. she has at times answered questions incorrectly in class on purpose to be more like her friends. joyce's behavior is due to

The correct answer is known as "Normative Social Influence."

Normative Social Influence is a classification of a influence wherein it leads to conformity or agreement from a social peer to one's self, in short terms it can be called as "fitting-in". Based on the situation given, Joyce dummy's down just so she could fit in with her peers, which is the definition of Normative Social Influence.