A(n) _____ is a speech that is prepared and practiced, but the exact wording is determined at the time of utterance

In a persuasive speech, you tell a hypothetical story in your introduction and represent it as actually happening to you. Is this appropriate?

a. Yes, because it will have strong emotional appeal which will sway your audience. b. Yes, because the overall goal of your speech is clear and responsible. c. No, because only Remember the Facts stories should be used as introductory devices. d. No, because you are violating an ethical principle which requires that speakers be honest.

Martha presented a speech about the proper diet for energy and well-being. When discussing various foods that boost one's energy, she quoted Dr. Paula Jacobs, a medical researcher who had conducted numerous studies on the matter

Her use of Dr. Jacobs' statements constituted use of ____. A) personal testimony B) lay testimony C) expert testimony D) prestige testimony