Elisa is asked to give a presentation. She starts her presentation by talking about the principles and tendencies of the audience. Which technique of communication does Elisa use?

All _____ report factual information that can be counted on to be true

A) ?gossip magazines B) ?tabloids C) ?valid sources D) ?newspapers

AUM draws heavily from ______.

A. uncertainty reduction theory B. expectancy violations theory C. communication accommodation theory D. politeness theory