If you notice that your roommate doesn't make eye contact when he answers your questions and turns his back to you when you enter the room, you have gained information about him through _____ perception checking

The specific purpose statement, "I want my audience to dig the 60s" would probably fall into what trap of poor topic selection?

a. triviality b. technicality c. anachronality d. promoting illegal activity

Paralanguage may be defined as the __________.

A. nonverbal dimension of gesture B. vocal and verbal dimension of speech C. vocal but nonverbal dimension of speech D. movements of the small muscles of the face