Recent Publications
Selected Publications
Note. *Indicates student authorship
Anjewierden*, B. J., Kincaid*, K., Gaffney, A. M., & Rast, D. E. III (forthcoming). Uncertainty and social identity. In K. Vail, D. Van Tongeren, B. Schlegel, J. Greenberg, L. King, & R. Ryan (Eds.), Handbook of the Science of Existential Psychology.
Gaffney, A. M., Hogg, M. A., & Abrams, D. (2024). Twenty-five years of Group Processes and Intergroup Relations: An overview and advancement of the field. Group Processes and Intergroup Relations
Anjewierden*, B. J., Syfers*, L., Pinto, I. R., Gaffney, A. M., & Hogg, M. A. (2024). Group responses to deviance: Disentangling the motivational roles of collective enhancement and uncertainty reduction. Group Processes and Intergroup Relations.
Crano, W. D. & Gaffney, A. M. (In press). The birthing, nurturing, and evolution of dystopian groups. In J. P. Forgas, W. D. Crano, & K. Fiedler (Eds.), The Psychology of Tribalism[1]. New York: Routledge.
Ouyang*, Y., Kincaid*, K. M., Rast, D. E. III, Gaffney, A. M., & Hogg, M. A. (In press). Incumbency and uncertainty: When prototypical leaders lose their advantage. Journal of Social Psychology.
Syfers*, L., Royer*, Z. Anjewierden*, B., Rast, D. E. III, & Gaffney, A. M. (2024). Our group is worth the fight: Group cohesion is embedded in willingness to fight or die for relatively deprived political groups during national elections. Translational Issues in Psychological Science.
Gaffney, A.M., & Hogg, M. A. (2023). Social identity theory. In M. A. Hogg (Ed). Oxford Research Encyclopedia of Psychology. New York: Oxford University Press. https://doi.org/10.1093/acrefore/9780190236557.013.681
Gaffney, A. M. (2023). Minority influence and social change. In M. A. Hogg (Ed.). The Oxford Handbook of Social Psychology. New York: Oxford University Press. https://doi.org/10.1093/acrefore/9780190236557.013.254
Syfers*, L., Rast, D. E. III, & Gaffney, A.M. (2023). This will not change us: Leader’s use of continuity rhetoric to promote collective change. Journal of Experimental Social Psychology, 110, 104550. https://doi.org/10.1016/j.jesp.2023.104550
Syfers*, L., Jaurique*, A., Anjewierden*, B., Burke, S. E., Hackett, J. D., Rast, D. E., & Gaffney, A. M. (2023). Self-uncertainty and conservatism during the COVID-19 pandemic predict perceived threat and engagement in risky social behaviors. Group Processes & Intergroup Relations. Advance online publication. https://doi.org/10.1177/13684302231180525
Gaffney, A. M., Souter, S. S., Jung, J., & Crano, W. D. (2023). Contexts and conditions of minority influence. Psychology of Language and Communication (27), 173-198. https://doi.org/10.58734/plc-2023-0009
Hogg, M. A. & Gaffney, A. M. (2023). Social identity dynamics in the face of overwhelming uncertainty. In J. P. Forgas, W. D. Crano, & K. Fiedler (Eds.), The Psychology of Insecurity: Seeking Certainty Where None Can Be Had. New York: Routledge
Gaffney, A. M. & Hogg, M. A. (2022). Sociability and the collective: Making, breaking, and shaping groups and societies. In J. P. Forgas, K. Fiedler, & W. D. Crano (Eds.), The Psychology of Sociability. Sydney Symposium of Social Psychology (pp 140-163). New York and London: Routlage.
Kuljian*, O. R., Hohman, Z. P., & Gaffney, A. M. (2022). Who are we if we do not know who our leader is? Perceptions of leaders’ prototypicality affects followers’ self-prototypicality and uncertainty. Social Psychological and Personality Science, 19485506221111237.
Haslam, S. A., Gaffney, A. M., Hogg, M. A., Rast, D. E. III, & Steffens, N. K. (2022) Reconciling identity leadership and leader identity: A dual-identity framework. The Leadership Quarterly. doi: 10.1016/j.leaqua.2022.101620
Haslam, S. A. Reicher, S. D., Selvanathan, H. P., Gaffney, A. M., Steffens, N. K., Packer, D., Van Bavel J. J., Ntontis, E., Neville, F., Vestergren, S., Jurstakova, K., & Platow, M. J. (2022). Examining the role of Donald Trump and his supporters in the 2021 assault on the U.S. Capitol: A dual-agency model of identity leadership and engaged followership. The Leadership Quarterly (2022). https://doi.org/10.1016/j.leaqua.2022.101622
Syfers*, L., Rast, D. E. III., & Gaffney, A. M. (2021). Leading change by protecting group identity in the 2019 Canadian General Election. Analyses of Social Issues and Public Policy. https://doi.org/10.1111/asap.12255
Syfers*, L., Gaffney, A. M., Rast, D. E. III, & Estrada*, D. A. (2021). Communicating group norms through election results. The British Journal of Social Psychology. https://doi.org/10.1111/bjso.12481
Crano, W. D. & Gaffney, A. M. (2021). Populism in the west as a form of influence. In J. P. Forgas, K. Fiedler, & W. D. Crano (Eds.), The Psychology of Populism: The Tribal Change to Liberal Democracy. Sydney Symposium of Social Psychology (pp. 297-318). London: Psychology Press.
Gaffney, A. M., Hackett, J. D., Rast, D. E., Hohman, Z. P., and Jaurique*, A. (2018). The State of American Protest: Shared Anger and Populism. Analyses of Social Issues and Public Policy. doi:10.1111/asap.12145
Gaffney, A. M., Rast, D. E. III, & Hogg, M. A. (2018). Unexpected leadership under uncertainty: A social identity analysis of non-prototypical leader emergence. Journal of Social Issues,74, 20-35. doi: 10.1111/josi.12254
Hogg, M. A. & Gaffney, A. M. (2018). Group processes and intergroup relations. In J. T. Wixted (Ed.), The Stevens’ handbook of experimental psychology and cognitive neuroscience. Volume 3: Developmental and social psychology (pp. 1-34). New York: Wiley.
Rast, D. E. III, Gaffney, A. M., & Yang*, L. (2018). The impact of stereotype content on intergroup uncertainty and interactions. Journal of Social Psychology, 158(6), 711-720. doi: 10.1080/00224545.2017.1407285
Gaffney, A. M., & Hogg, M. A. (2017). Social identity and social influence. In S. Harkins, K. D. Williams, & J. Burger (Eds.), The Oxford handbook of social influence (pp. 259-273). New York: Oxford University Press.
Hohman, Z. P., Gaffney, A. M., & Hogg, M. A. (2017). Who am I if I am not like my group? Self-uncertainty and feeling peripheral in a group. Journal of Experimental Social Psychology, 72, 125-132. doi: 10.1016/j.jesp.2017.05.002
Crwys, T., Gaffney, A. M., & Skipper, Y. (2017). Uncertainty in transition: The influence of group cohesion on learning. In K. Mavor, M. Platow, & Bizumic, B. (Eds.), Self, Social Identity, and Education. New York: Psychology Press.
Gaffney, A. M., Rast, D. E. III, Hacket, J. D., & Hogg, M. A. (2014). Further to the right: Uncertainty, political polarization, and the American Tea Party movement. Social Influence, 9(4), 272-288, doi: 10.1080/15534510.2013.842495
Hogg, M. A., & Gaffney, A. M. (2014). Prototype-based social comparisons within groups: Constructing social identity to reduce self-uncertainty. In Z. Križan & F. X. Gibbons (Eds.). Communal functions of social comparison (pp. 145-174). New York: Cambridge University Press.
Rast, D. E. III, Gaffney, A. M., Hogg, M. A., & Crisp, R. J. (2012). Leadership under uncertainty: When leaders who are non-prototypical group members can gain support. Journal of Experimental Social Psychology, 48, 646-653.
[1] Please note that we do not use the word “tribalism” in our entry and explain our rationale for not using this term in the entry.