What has MIT Professor Ariely discovered?
A.
People tend to behave irrationally in a predictable fashion.
B.
People should act according to logic and reason required in a situation.
C.
It causes problems to themselves as well as to others.
D.
He doesn't think this irrational behavior is always intentional.
E.
If a person knows someone suffers from a disease, he will feel he suffers from the same disease.