A Social Psychology Professor Who Is Trying to Diminish the Incidence

A social psychology professor who is trying to diminish the incidence of cheating behaviour during exams would be most successful if she

A) wore a large name tag while monitoring the exam.
B) alerted her students before the exam that they were being videotaped.
C) gave the students a stern lecture before the exam on the consequences of cheating.
D) none of the choices are correct.