It’s libby’s first day in college. when she approaches the professor to have an "add" form signed, she listens to other students to see if they address the professor as "professor," "dr.," "mrs.," or by her first name, and then she does the same. this is an example of

informational social influence

Explanation:

The term social influence is defined as the process when an individual's behavior is being influenced or directed due to imagined or real presence of other person.

Informational social influence: The term informational social influence refers to the process when an individual conforms with the other person to acquire knowledge and due to the fact that he or she thinks that the other person is right or other person's opinions is correct.

In the question above, the given statement is an example of informational social influence.

a.. a conflict between her competing identities.. apex