A(n) _____ is an educated guess about a cause-and-effect relationship between two or more things.

During her speech to persuade her classmates to get involved in campus politics, Leatrice pounds the

podium to draw her audience's attention to a particularly important point. Leatrice has used nonverbal communication to __________ verbal communication. A) regulate B) illustrate C) complement D) accent

General systems theory was developed by

A. Ludwig von Bertalanffy. B. Eric Schliemann. C. John Dewey. D. Alfred Einstein. E. Carl Rogers.