The Psychology of Public Relations
control that vast, loose-jointed mechanism which is modern society.
The old propagandist based his work on the mechanistic reaction psychology then in vogue in our colleges. This assumed that the human mind was merely an individual machine, a system of nerves and nerve centers, reacting with mechanical regularity to stimuli, like a helpless, will-less automaton. It was the special pleader's function to provide the stimulus which would cause the desired reaction in the individual purchaser.
It was one of the doctrines of the reaction psychology that a certain stimulus often repeated would create a habit, or that the mere reiteration of an idea would create a conviction. Suppose the old type of salesmanship, acting for a meat packer, was seeking to increase the sale of bacon. It would reiterate innumerable times in full-page advertisements: "Eat more bacon. Eat bacon because it is cheap, because it is good, because it gives you reserve energy."
The newer salesmanship, understanding the group structure of society and the principles of mass psychology, would first ask: "Who is it that influences the eating habits of the public?" The answer, obviously, is: "The physicians." The new salesman will then suggest to physicians to say publicly that it is wholesome to eat bacon. He knows as a mathematical certainty, that large numbers of persons will follow the advice of their doctors, because he under-
53
