In Wilbur Schramm’s SMCR model of mass communication, the “channel” refers to the frequency or a television signal

A(n) ___________ is a gesture that has a direct verbal translation and substitutes for a word or phrase

a. emblem b. illustrator c. regulator d. artifact

Nela incorporated recent guidelines issued by the Centers for Disease Control in her speech about immunizations needed for foreign travel. What information source is Nela using?

A. her personal experience B. expert opinion C. social media D. online database