Identify one of the "vital topics" emphasized in the book and explain how that topic could be relevant to your peers in your public speaking class. 

Your voice's pitch is determined by

a. the size of the audience. b. the size of the room. c. anatomy. d. the length of notes. e. None of the above.

Which are the three main communication models?

a. transactional, interactional, linear b. contextual, linear, cognitive c. interactional, linear, and interpersonal d. linear, transactional, and practical