The act of scratching an itch is an example of which of the following elements of nonverbal comm?

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

Kevin is printing out standard-size copies of a koala bear

photo and interesting facts about koalas for his speech on Australian wildlife. He plans to distribute this to his audience after giving his speech. This is an example of a a. chart. b. poster. c. handout. d. model.