Which following type of presentation aid is most effective for showing trends over time?

To determine how to subdivide your central idea into key points, you should ask which of the following questions?

a. Does the general purpose match the specific purpose? b. Do the main ideas contradict one another? c. Is the central idea phrased in infinitive form? d. Does the central idea have logical divisions?

In his book Propaganda, this PR practitioner argued for a new paradigm for public relations: to make a

hero of “the special pleader who seeks to create public acceptance for a particular idea or commodity”: a) Ivy Lee; b) Edward Bernays; c) Samuel Insull; d) Joseph Pulitzer; e) P.T. Barnum