After Extensive Investigation into the Amazing Abilities of Clever Hans,it

Multiple Choice

After extensive investigation into the amazing abilities of Clever Hans,it was determined that he was not actually responding to the questions he was being asked,but rather was responding to the subtle facial and body gestures of his owner.Which psychologist made this determination?

A) Wilhelm Steckel
B) Oskar Pfungst
C) Sigmund Freud
D) Edward Titchener