A professor cleans the whiteboard before every class. He goes over the board at least three times before he considers it to be clean enough. Recently he has been late starting class because he is cleaning the whiteboard more and more. He is preoccupied with thoughts that previous markings are dirty and will contaminate his notes. A psychotherapist would say that this professor's are compulsive.

Question

Quizplus · Accepted Answer

The professor's repetitive behavior of cleaning the whiteboard multiple times is compulsive, as it is driven by an irrational fear of contamination.

A Professor Cleans the Whiteboard Before Every Class