Raphael and Paxton Are Roommates

Multiple Choice

Raphael and Paxton are roommates. Because they're both psychology majors, they choose to dress up as their favourite early psychologists for a Halloween party in their building. They also challenge one another to act like these psychologists all night, and the first one to break character has to take out the trash until the end of semester.
-Paxton is listening to his friend Nadav who is telling him about how worried he is that he will fail his physics class.Paxton reassures him by saying,"Our mind expands to accommodate new information.So,keep studying as hard as you can,and you'll learn the material!" Who is Paxton dressed as

A) Rene Descartes
B) E.B.Titchener
C) G.Stanley Hall
D) William James