(en) Michael Pfau, David Park, R. Lance Holbert et Jaeho Cho, « The Effects of Party- and PAC-Sponsored Issue Advertising and the Potential of Inoculation to Combat its Impact on the Democratic Process », American Behavioral Scientist, vol. 44, no 12, , p. 2379-2397 (ISSN0002-7642 et 1552-3381, DOI10.1177/00027640121958384, lire en ligne, consulté le )
(en) Michael Pfau, David Park, R. Lance Holbert et Jaeho Cho, « The Effects of Party- and PAC-Sponsored Issue Advertising and the Potential of Inoculation to Combat its Impact on the Democratic Process », American Behavioral Scientist, vol. 44, no 12, , p. 2379-2397 (ISSN0002-7642 et 1552-3381, DOI10.1177/00027640121958384, lire en ligne, consulté le )
(en) Michael Pfau, David Park, R. Lance Holbert et Jaeho Cho, « The Effects of Party- and PAC-Sponsored Issue Advertising and the Potential of Inoculation to Combat its Impact on the Democratic Process », American Behavioral Scientist, vol. 44, no 12, , p. 2379-2397 (ISSN0002-7642 et 1552-3381, DOI10.1177/00027640121958384, lire en ligne, consulté le )
(en) « So that conscience, as men commonly use the word, signifieth an opinion, not so much of the truth of the proposition, as of their own knowledge of it, to which the truth of the proposition is consequent. Consscience therefore I define to be opinion of evidence. » (Elements of Law, I, vi). Voir Calhoun 1992, p. 17 et Cotellessa, p. 374.
