This paper reports new information concerning the variability of the persuasive effects of variables across messages. Evidence from meta-analytic reviews of persuasive effects research indicates that such variability is common and substantial, even under well-specified experimental conditions. The implications of this evidence for the design, analysis, and interpretation of research on persuasive message effects are discussed.
2024. Beyond the Story: Understanding the Social Media Effects of Celebrity Advocacy on Mental Health Stigma Reduction. Computers in Human Behavior► pp. 108356 ff.
Hoeken, Hans & Daniel J O’Keefe
2022. The reconstructability of persuasive message variables affects the variability of experimental effect sizes: evidence and implications. Human Communication Research 48:4 ► pp. 543 ff.
Jackson, Sally & Jodi Schneider
2018. Cochrane Review as a “Warranting Device” for Reasoning About Health. Argumentation 32:2 ► pp. 241 ff.
Slater, D. Michael, Jochen Peter & Patti M. Valkenburg
2015. Message Variability and Heterogeneity: A Core Challenge for Communication Research. Annals of the International Communication Association 39:1 ► pp. 3 ff.
Guerini, Marco, Oliviero Stock, Massimo Zancanaro, Daniel J. O’Keefe, Irene Mazzotta, Fiorella de Rosis†, Isabella Poggi, Meiyii Y. Lim & Ruth Aylett
2011. Approaches to Verbal Persuasion in Intelligent User Interfaces. In Emotion-Oriented Systems [Cognitive Technologies, ], ► pp. 559 ff.
2010. Do Lay People Prepare Both Sides of an Argument? The Effects of Confidence, Forewarning, and Expected Interaction on Seeking Out Counter-Attitudinal Information. Argumentation and Advocacy 46:4 ► pp. 226 ff.
O'Keefe, Daniel J. & Scott L. Hale
2001. An odds‐ratio‐based meta‐analysis of research on the door‐in‐the‐face influence strategy. Communication Reports 14:1 ► pp. 31 ff.
Reichert, Tom, Susan E. Heckler & Sally Jackson
2001. The Effects of Sexual Social Marketing Appeals on Cognitive Processing and Persuasion. Journal of Advertising 30:1 ► pp. 13 ff.
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