The process of identifying selected groups of listeners and designing specific appeals to motivate them is known as

________ communication is a person's reaction, either verbal or nonverbal, to a communication situation in which he or she feels personally threatened or uncomfortable.

A) Defensive B) Judgmental C) Effective D) Supportive

Readability is enhanced by ________, which is achieved when the text and the background appear in significantly different colors.

A. unity B. balance C. contrast D. pattern