The payoff a member gets from playing games is usually easy to identify

All of the following are ways in which nonverbal messages interact with verbal messages EXCEPT

A) to define. B) to substitute. C) to repeat. D) to accent.

Research has found that which of the following types of messages are most likely to have a persuasive effect?

a. messages describing the likelihood of an outcome b. messages increasing the strength of a positive attitude c. messages increasing the strength of a negative attitude d. messages increasing the desirability of an outcome