Tom is a new student at his university. During the first week of classes, he notices a fellow student from one of his classes getting on a bus. Tom decides to follow the student and discovers that...

Tom is a new student at his university. During the first week of classes, he notices a fellow student from one of his classes getting on a bus. Tom decides to follow the student and discovers that this bus takes him right to the building where his class meets. This best illustrates what kind of conformity?

a. Obedience to authority

b. Informational social influence

c. Public compliance

d. Normative social influence