Dr. Joshua Guyer 

Dr. Joshua Guyer is an assistant professor of psychology at both Instituto de Empresa (IE) and Saint Louis University, (Madrid). Dr. Guyer is also conducting postdoctoral research at the Universidad Autonoma de Madrid with Dr. Pablo Brinol. Broadly speaking, his research focuses on attitudes, persuasion, and social influence. Previously, he held a research fellowship at the IE Center for Insurance Research and also served as a lecturer at the Royal Military College of Canada. Joshua received his Ph.D in social psychology (2016) from Queen's University under the supervision of Dr. Leandre Fabrigar.


  1. Horcajo, J., Santos, D., Guyer, J. J., & Moreno, L. (2019). Changing attitudes and intentions related to doping: An analysis of individual differences in Need for Cognition. Journal of Sports Science.

  2. Paredes, B., Guyer, J. J., Briñol, P., & Petty, R. E. (In Press). Subtle priming of subtraction vs. addition: A Spill-Over Effect of Math. International Journal of Social Psychology. (Special Issue on Metacognitive Processes of Thought Separation).

  3. Briñol, P., Petty, R. E., & Guyer, J. J. (2019). A Historical view on attitudes and persuasion. In Hegarty, P., Logan, C., Long, W., Pettikainen, P., Rutherford, & Rickren, W. E. (Eds.), Oxford Encyclopedia of the History of Psychology. New York, NY: Oxford University Press.

  4. Guyer, J. J., Briñol, P., Petty, R. E., & Horcajo, J. (2019). Non-verbal behavior of persuasive sources: A Multiple process analysis. Journal of Nonverbal Behavior, 1-29.

  5. Guyer, J. J., Fabrigar, L. R., & Vaughan-Johnston, T. I. (2018). Speech rate, intonation, and pitch: Investigating the bias and cue effects of vocal confidence on persuasion. Personality and Social Psychology Bulletin.

  6. Guyer, J. J., & Vaughan-Johnston, T. I. (2018). Upward and downward social comparisons: A brief historical overview. In: Zeigler-Hill V., Shackelford T. (Eds.). Encyclopedia of Personality and Individual Differences, Springer Cham.

  7. Letamendia, L. N., Silva, A. C., & Guyer, J. J. (2018). Financial illiteracy, motivations and barriers to saving and investing by Spanish Households, FUNCAS Social and Economic Studies, 4, 77-97.

  8. Guyer, J. J., Fabrigar, L. R., Vaughan-Johnston, T. I., & Tang, C. (2017). The counter-intuitive influence of vocal affect on the efficacy of affectively-based persuasive messages. Journal of Experimental Social Psychology, 74, 161-173.

  9. Guyer, J. J. (2016). The influence of vocally expressed emotions on attitude change. Canadian Psychological Association, Mind Pad, 24(2), 21-25.

  10. Guyer, J. J. (2016). What you say matters but so does how you say it. Association for Psychological Science Student Observer Notebook, 29(2).

  11. Guyer, J. J., & Fabrigar, L. R. (2015). The attitude-behavior link: A review of the history. In J. Wright & J. Berry (Eds.), International Encyclopedia of Social and Behavioral Sciences (2nd ed., Vol. 2, pp. 183-189). Elsevier.


Universidad Autonoma de Madrid
Departamento de Psicologia
Campus de Cantoblanco,
Carretera Colmenar, km. 15.
Madrid, 28049. Spain 
Instituto de Empresa (IE) 
IE Business School
Calle de Maria de Molina, 11
Madrid, 28006. Spain 
Saint Louis University
Department of Psychology
Avenida del Valle, 34
Madrid, 28003. Spain 




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