Professor Abboud Would Like to Reduce Cheating in Her Classes

Professor Abboud would like to reduce cheating in her classes.She knows that students strongly oppose cheating but,in spite of these negative attitudes,cheating is quite common.Which of the following tactics would be most effective at reducing cheating?

A) To strengthen attitudes against cheating,ask students to write and sign a statement indicating that they will not cheat prior to each exam.
B) To increase anxiety,make sure students are not well informed about what behaviours constitute cheating or what consequences might result from cheating.
C) To increase accessibility,show subliminal messages saying cheating is wrong for a few moments before each exam.
D) To increase self-awareness,place a mirror at the front of the class during exams.