If a speaker has trouble finding words to convey his or her ideas or sends contradictory nonverbal symbols, listeners may not be able to _____ the speaker's verbal and nonverbal symbols back into a message

The average attention span of adults ranges from _____

A. 30–45 seconds B. 1–2 minutes C. 30–60 minutes D. 7–20 minutes

If your voice conveys your interest and enthusiasm in your topic, it's not necessary for your body to reinforce this interest and enthusiasm

Indicate whether the statement is true or false