chapter  7
James Bryce‘s 19th Century Theory of Public Opinion and the Press
Pages 13

In this chapter, Bryce’s theory, which he described in lengthy prose and examples, has been formalized into twelve related propositions. From them, a “therefore” theorem can be logically derived-a prediction indicating that (if the propositions of the theory can be regarded as correct) significant implications follow for public opinion in a society in the contemporary age-where multiple channels of mass communication are now in place.