Harper is 35 years old and has just enrolled in his first university course. on the first day of class, he looks over the individuals in the room and sits next to another male student who appears to be in his early 30s.
in this case, harper has likely classified the other student:

a. using a self-serving bias.
b. as someone who has more university experience than harper.
c. as a member of his ingroup.
d. as the teaching assistant for the class.