Credibility appeals are needed only if your audience is not aware of your knowledge and expertise

Linear models of communication

a. include the concepts of noise and feedback. b. function in only one direction: a source creates a message and sends it through a channel to reach a receiver. c. recognize that we send and receive messages simultaneously. d. illustrate the interrelationships among the key competencies of effective communication. e. represent a lack of noise in the communication process.

Which of the following is NOT an advantage of running a newscast during the final hours of primetime?

a. counterprogramming b. high-visibility time period c. dominant ratings d. one-hour jump on the news competition e. access to advertisers who may not otherwise buy commercials