An interesting psychological problem

? A university psychology professor told college students a joke about "perspectives and limitations of various schools of psychology": "A group of four knowledgeable psychologists came to see an elephant.

Expert A went straight behind the elephant, looked at the selected part and explained the elephant's behavior.

Expert B went to knock the kneecap of the elephant and was kicked far away. She sat there, designing a constructive reinforcement plan for the elephant.

Expert C began to coax the elephant to do something to determine its development stage.

Expert d stroked the elephant's ear and tried to convince it to fly.

Accordingly, the following are the psychological schools most likely represented by the four experts in the story. )

A. Expert A is a psychoanalyst

B. Expert B is a behaviorist

C. Expert C is a humanist.

Expert d is a cognitive psychologist.