One Process or Two? Quantitative and Qualitative Distinctions in Models of Persuasion

change. Journal of Abnormal and Social Psychology, 60, 345–353. McGuire, W. J. (1981). The probabilogical model of cognitive structure and attitude change. In R. E. Petty, T. M. Ostrom, & T. C. Brock (Eds.), Cognitive responses in persuasion (pp. 291–307). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc. Petty, R. E. (1994). Two routes to persuasion: State of the art. In G. d’Ydewalle, P. Eelen, & P. Berteleson (Eds.), International perspectives on psychological science (Vol. 2, pp. 229–247). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc. Petty, R. E., & Cacioppo, J. T. (1986). The elaboration likelihood model of persuasion. In L. Berkowitz (Ed.), Advances in experimental social psychology (Vol. 19, pp. 123–205). San Diego, CA: Academic. Petty, R. E., Cacioppo, J. T., & Goldman, R. (1981). Personal involvement as a determinant of argument-based persuasion. Journal of Personality and Social Psychology, 41, 847–855. Petty, R. E., Haugtvedt, C. P., & Smith, S. M. (1995). Elaboration as a determinant of attitude strength: Creating attitudes that are persistent, resistant, and predictive of behavior. In R. E. Petty & J. A. Krosnick (Eds.), Attitude strength: Antecedents and consequences (pp. 93–130). Mahwah, NJ: Lawrence Erlbaum Associates, Inc. Petty, R. E., & Krosnick, J. A. (Eds.). (1995). Attitude strength: Antecedents and consequences. Mahwah, NJ: Lawrence Erlbaum Associates, Inc. Petty, R. E., & Wegener, D. T. (1998). Attitude change: Multiple roles for persuasion variables. In D. T. Gilbert, S. T. Fiske, & G. Lindzey (Eds.), The handbook of social psychology (4th ed., Vol. 1, pp. 323–390). New York: McGraw-Hill. Thomsen, C. J., Borgida, E., & Lavine, H. (1995). The causes and consequences of personal involvement. In R. E. Petty & J. A. Krosnick (Eds.), Attitude strength: Antecedents and consequences (pp. 191–214). Mahwah, NJ: Lawrence Erlbaum Associates, Inc. Wyer, R. S., Jr. (1970). Quantitative prediction of belief and opinion change: A further test of a subjective probability model. Journal of Personality and Social Psychology, 16, 559–570. Wyer, R. S., Jr., & Hartwick, J. (1980). The role of information retrieval and conditional inference processes in belief formation and change. In L. Berkowitz (Ed.), Advances in experimental social psychology (Vol. 13, pp. 241–284). San Diego, CA: Academic.