For his informative speech, Douglas told his classmates how to get free food at a drive-through restaurant. Rather than focusing on legitimate deals, such as student discounts or coupons, Douglas talked about ways to trick employees into believing you had already paid for food when you had not. His instructor gave the speech a poor grade because it violated the ethical criteria for public speaking presented in your textbook. The guideline Douglas violated was:

A. Avoid plagiarism.
B. Make sure your goals are ethically sound.
C. Be fully prepared for each speech.
D. Avoid name-calling and other forms of abusive language.
E. Adapt to your audience's frame of reference.

Answer: B