The Science of Influence (Audio CDs Volumes 1-12) The Science of Influence Library by Kevin Hogan, Psy.D. This is part 1 of the series, containing the first 12 CDs plus a giant manual on PDF. This is where it all begins. Persuasion IQ quizzes, new research you can apply today to your selling toolbelt. Strategies for increasing sales, and more! Uncensoredpersuasion.org~Site InfoWhoisTrace RouteRBL Check