1. Wilson, John F. and Arnold, Carroll C. 1968.Public Speaking as a Liberal Art,, 2d. ed., 107–108. Boston: Allyn and Bacon, Inc. present a clear explanation of this principle in
2. Roberts, W. Rhys, ed. 1954.Rhetoric, 22–26. I.4–8. II.18–19. III.17New York: The Modern Library. 1358b
3. A Structural Theory of Attitude Dynamics
4. Predicting attitude from desirability and likelihood ratings of rhetorical propositions