Generally a radio commercial has to be effective in terms of:

Ceremonial speeches tend to

A) address the question of how to solve human problems. B) focus on values that draw people together. C) concern themselves with matters of justice. D) promote unified groupthink. E) include refreshments afterwards.

Tetsuya has to speak with her physics professor about a grade. When she arrives at his office, she notices his many degrees from prestigious universities displayed on the wall and his shelves full of thick textbooks. Her professor sits behind a large desk and indicates that she should sit in a small, low chair across from him. The professor's use of ________ proves intimidating to Tetsuya, who finds it difficult to communicate her purpose clearly in that environment.

A. kinesics B. paralanguage C. chronemics D. artifacts