For Her Informative Speech on Nonverbal Leave-Taking Behaviors, Harper Goes

Multiple Choice

For her informative speech on nonverbal leave-taking behaviors, Harper goes to a local airport when she knows that a group of Marines is being deployed overseas. She observes the different ways families and friends say goodbye to the departing troops. In her speech, Harper then discusses this __________________ as a form of support.

A) nonprint material
B) research
C) experience
D) personal observation