Suspending judgment means that you need to accept uncritically whatever a speaker says.

In regard to those times when you are not sure if the information you are using is common knowledge, your text suggests that you should

a. document the source. b. omit the source. c. use different information. d. contact the author for approval.

The penetration stage of a medium is characterized by:

a. a technological innovation b. a channel that appeals to a large, heterogeneous population c. a medium generating the most revenue compared to other media d. a loss of audience members