Michael Hogg

Dr. Hogg’s research focuses on group processes, intergroup relations and the self-concept. It is closely associated with social identity theory. He has researched solidarity and cohesion; group structure and processes of marginalization and deviance; the pursuit of subgroup autonomy; attitudes and norms; influence and leadership; communication, language and identity; social identity motivations, and identity-uncertainty and extremism.

Lab Manager

Xiang Ao is interested in social identities, ingroup deviance, and intergroup relations. In particular, he investigates how group members respond towards various types of ingroup deviance, how identity threats trigger group members’ negative sentiment towards immigrants and outgroups, the role of social identities in collective mobilization and protest in culturally diverse regions (e.g., Hong Kong).

Ao, X., & Hogg, M. A. (2017, July). Effects of identity-uncertainty and social self-discrepancy on protest support: Evidence from Hong Kong. Poster presented at the 18th general meeting of the European Association of Social Psychology, Granada, Spain.

Kerr, N. L., Ao, X., Hogg, M. A., & Zhang, J. (2018). Addressing replicability concerns via adversarial collaboration: Discovering hidden moderators of the minimal intergroup discrimination effect. Journal of Experimental Social Psychology, 78, 66-76. https://doi:10.1016/j.jesp.2018.05.001

Ao, X., & Hogg, M. A. (2019, April). Effects of racial demographic change and identity uncertainty on attitude towards immigration. Paper presented at the Annual Convention of the Western Psychological Association, Pasadena, CA.

Lab Members

Nicolas Barreto studies leadership, and influence and communication within and between groups. Studies focus on how status characteristics and social identity aspects of leadership interact to affect how leaders are evaluated in small task-oriented decision-making groups. Nic is currently a Biostatistician in the Department of Surgery at the Stanford School of Medicine.

Barreto, N. B., & Hogg, M. A. (2017). Evaluation of and support for group prototypical leaders: A meta-analysis of twenty years of empirical research. Social Influence, 12, 41-55.

Barreto, N. , & Hogg, M. A. (2018). Influence and leadership in small groups: Impact of group prototypicality, social status and task competence. Journal of Theoretical Social Psychology, 2, 26-33.

Lela Beal is interested in the many applications of social identity theory, attitudes, and persuasion in regards to diversity, equity and inclusion outcomes in individuals, leaders, media and organizations. Lela is also interested in evaluation, intersectionality, minority leadership, and the effects of popular culture media and marketing. She is currently studying how portrayal in popular culture media affects people’s attitudes and perceptions towards people of color.

Ranyu Bo is interested in the construction of victim status and in the dynamics of competitive victimhood.

Douglas Brown conducts research on sociodemographic correlates of self-harm, with a focus on the impact of dashed expectations, identity uncertainty and social identity options. Doug also focuses on electoral politics and the interplay between individuals and groups in developing and expressing political attitudes. In a former life, Doug was a practicing attorney and an elected official.

Lillian But studies intergroup leadership and identity complexity. Her current research focuses on which types of boundary-spanning leadership are most effective at resolving the intergroup leadership challenge. Lillian is also interested in the cultural context and expression of leadership.

But, L., & Hogg, M. (2018, April). A foot in both camps: How intergroup leaders are evaluated as functions of their identity and subgroup relations. Invited presentation at the 98th annual convention of the Western Psychological Association, Portland, OR.

Jared Chapman is studying extremism (e.g., religious, political, social movements). He is interested in how self-uncertainty may lead people to identify more strongly with groups that hold extreme positions, and how this stronger identification impacts attitudes and behaviors.

Kaiyuan (KY) Chen studies how essentialist attributions of ingroup and outgroup characteristics can help reduce self-and identity-uncertainty in intergroup contexts.

Eunice Choi is interested in social categorization and identity-uncertainty processes and how groups and identities are internally structured. Her current research focuses on the extent to which people can seek identity validation from outgroup members in order to reduce identity uncertainty. Eunice is also an adjunct professor at Chapman University.

Choi, E. U., & Hogg, M.A. (in press). Self-uncertainty and group identification: A meta-analysis. Group Processes and Intergroup Relations.

Choi, E.U., & Hogg, M. A. (2020). Who do you think you are? Ingroup and outgroup sources of identity validation. MS submitted for publication.

Alicia Davis studies how attitudes towards immigration are affected by social identity centrality and social identity threats. She is broadly interested in the social psychology of politics and extremism, intergroup relations, and attribution theory.

Davis, A., Chang, E. S. (in preparation). Political socialization of adolescent attitudes towards refugees by mothers, fathers, and peers.

Grant-Dreher, E., Davis, A., Setterstrom, E., Gonzales, T. & Chang, E. S. (2019, April). Breaking the spell: Susceptibility to persuasion and group psychological abuse. Poster presented at the 2019 Annual Convention of the Western Psychological Association, Pasadena, CA.

John Dennem is interested in the intersection of culture, race, and sexual identity and the development of health disparities in marginalized communities. He is currently the Co-Principle Investigator on a Blue Cross of California Foundation grant developing a culturally informed strength- and resilience-based measure of cultural connectedness in the Native American Diaspora.

Sejal Desai has a broad interest in group processes and intergroup relations, with a specific interest in group and organizational culture and self-construal processes.

Hannah Grammer is interested in studying conservation psychology through a social psychological and organizational development lens. Currently, she is conducting research on strengths- versus traditional-goal setting performance review meetings.

Jordan Oster is interested in social identity generally, specifically strength of group identification and the intersection of multiple identities.

Jeffery Phonn is interested in a broad range of intergroup phenomena, including intergroup relationship, social identity, collectivism and individualism, prejudice, stereotyping, biases, and language.

Jeff Ramdass studies unethical behavior and violation of moral principles, mainly in academic and political contexts. Specifically, he is investigating how group members react to unethical behavior as a function of the perpetrator’s group membership and group prototypicality. Jeff is also an adjunct faculty member at Cerritos College in Los Angeles.

Ramdass, J. V., & Hogg, M. A. (in press). A cheat in our midst: How people evaluate and respond to fellow group members who cheat. Journal of Applied Social Psychology.

Ramdass, J. V., Luna, R. E., & Hernandez, C. A. (2018, April). Why do people want to lead specific groups and not others? And how can we measure it?. Paper presented at the 98th Annual Western Psychological Association Convention, Portland, OR.

Mark Rinella studies subjective group dynamics and intergroup negotiations. His current research focuses on how different identity-related motivations affect processes of normative marginalization, and on the effectiveness of in-group pro-norm and anti-norm deviants in negotiations with out-group pro-norm and anti-norm deviants. Mark is also a lecturer at California State University, Los Angeles.

Hogg, M. A., & Rinella, M. J. (2018). Social identities and shared realities. Current Opinion in Psychology23, 6-10.

Wagoner, J. A., Barreto, N., & Rinella, M. J. (in press). When “we” leave “them”: Distinguishing schisms from individual exit. Journal of Theoretical Social Psychology.

Amelia Rodriguez is interested in understanding the role of technology in identity formation and its role in creating ideological echo chambers.

Crys Saludes studies the relationship between self-uncertainty, social isolation, frequent social media use, and susceptibility to cult recruitment. She is particularly interested in studying the extent to which social media use moderates the relationship between feelings of alienation and vulnerability to joining cults.

Jacqueline Shaib is interested in the effects of prejudice and stereotype threat on marginalized groups including women and the LGBT community. She is also interested in negative effects on the self as a result of being an outgroup member.

Seyarto, M., Shaib, J., Thompson, J., Van Luven, J. (2015, March). Using video to measure classroom teaching in K12 science. Talk presented at the 7th Annual Undergraduate Research Symposium at Loyola Marymount University, Los Angeles, CA.

Austin Shockley focuses broadly on how self- and identity-uncertainty may underpin zealotry and societal extremism.

Shockley, A. (2017, April). Multi group analysis in structural equation modeling: Perceived ingroup or outgroup opportunities. Paper presented at the 97th Annual Western Psychological Association Convention, Sacramento, CA.

Timothy Silva is interested in examining how technological change impacts social identity dynamics. Tim is currently a Senior Quantitative User Experience Researcher at Bank of the West.

Heather Stopp addresses the influence of contact with identity symbols, such as language, on intergroup attitudes and group identification. Specifically, she researches the role that self-uncertainty and socio-structural factors play in determining whether exposure to symbols of outgroup identity improves or impairs broader intergroup relations. Heather currently has a teaching position at Pennsylvania State University.

Lienneman, B. A., & Stopp, H. T. (2013). The association between extended contact with interracial relationships via media portrayals and attitudes toward interracial relationships. Journal of Applied Social Psychology, 43, 398-415.

Alison Young is interested in examining how leader evaluations and support are affected by leader-initiated identity validation processes within the group.

Jinghui (Elaine) Zhang researches host nation reactions to migration and immigration. In particular how migrants can invoke identity uncertainty that motivates an extremist anti-migrant backlash. She is collecting data in Shanghai. Jinghui serves as adjunct faculty at California Polytechnic State University, Pomona.

Zhang, J., & Hogg, M. (2017, January). Resource or culture, the price you are not willing to pay for migrants: A study of westerners in Shanghai. Poster session presented at the Society for Personality and Social Psychology Annual Convention, San Antonio, TX.

Kerr, N.L., Ao, X., Hogg, M.A., & Zhang, J. (2018). Addressing replicability concerns via adversarial collaboration: Discovering hidden moderators of the minimal intergroup discrimination effect. Journal of Experimental Social Psychology, 78, 66-76.

Postdoctoral and Professional Affiliates

Sucharita Belavadi is a former Social Identity Lab member. She investigates the role played by identity uncertainty in intergroup conflicts, especially in the context of Indian religious and language-based groups. Of her particular interest is how groups perceive marginal ingroup members within the context of language and social identity. She also examines how groups engage in a narrative of competitive victimhood during intergroup conflict.

Amber Gaffney is a former Social Identity Lab member and postdoc and currently an Assistant Professor of social psychology at Humboldt State University. She is also an Associate Editor of Group Processes and Intergroup Relations. She studies how prototypical and non-prototypical group members create and manage uncertainty to enact social change. Amber is also interested in social comparison processes and in social identity and uncertainty dynamics in the political sphere.

Fiona Grant, a former Social Identity Lab member and postdoc, is an Assistant Professor of social psychology at the University of Mauritius. She studies social identity processes in health contexts, specifically the role of group membership in health promotion and exercise behavior. She also conducts research on social identity complexity and how people cope with multiple identities during times of uncertainty.

Justin Hackett is a former member of the lab and currently an Assistant Professor of psychology at California University of Pennsylvania. His research focuses primarily on social engagement and sense of community.

Zachary Hohman is a former lab member and currently an Assistant Professor of experimental psychology at Texas Tech University. His research focuses on group processes, intergroup relations and the self-concept, and also the role played by attitudes and persuasion. Zach is also interested in how these processes play out in health contexts.

Jiin Jung is a former Social Identity Lab member and postdoc and currently a Visiting Professor at Kansas University. She researches the impact of identity-uncertainty on group identification, intergroup perceptions, and group integration and schism. She has collected data in the context of Korean reunification and Scottish independence. Jiin also examines computational models of social influence, and uncertainty-related determinants of depersonalization and projection.

Norbert L. Kerr was a visiting professor at Claremont Graduate University for the 2016-2017 academic year. He is an Emeritus Professor of Psychology at Michigan State University and an Honorary Professor of Social Psychology at the University of Kent in Canterbury. His primary research interests are group performance and decision making, social dilemmas, psychology and the law, social influence, and HARKing (Hypothesizing After the Results are Known).

David Rast is a former lab member and is currently Assistant Professor of social psychology at the University of Alberta in Edmonton, Canada, and an Associate Editor of the Journal of Applied Social Psychology. He examines when non-prototypical leaders become influential and how leaders transcend conflict-charged intergroup relations.

Viviane Seyranian is a former lab member and an Assistant Professor of Psychology at California Polytechnic State University, Pomona. Her research examines the role of communication tactics and source types (e.g., majorities-minorities) on attitudes, emotions, and behaviors. Viviane is testing a theory called social identity framing, which outlines communication tactics related to social identity change.

Joey Wagoner, a former lab member, is currently a postdoc and an adjunct professor at California State University, Fullerton.

Visiting Scholars

Bin Ling (Hohai University, China)

Bin Ling (Hohai University, China)
Antti Vanhoja (University of Helsinki, Finland)

Oluf Gøtzsche-Astrup (Aarhus University, Denmark)
Stefano Mastandrea (Università Degli Studi Roma Tre)

Matthew Hornsey (University of Queensland, Australia)
Robin Vallacher (Florida Atlantic University)
Gianmarco Donadei (Sapienza Università di Roma, Italy)
Alessio Mammarella (Sapienza Università di Roma, Italy)

Dominic Abrams (University of Kent, UK)

Clara Paz (Universidad de Barcelona, Spain)

Matteo Antonini (Sapienza Università di Roma, Italy)
Antonis Gardikiotis (Aristotle University of Thessaloniki, Greece)

Vladimir Turjacanin (Banja Luka University, Bosnia and Herzegovina)
Madeleine Moret (University of Amsterdam, The Netherlands)
Antonis Gardikiotis (Aristotle University of Thessaloniki, Greece)

Robin Martin (Aston Business School, UK)
Camilo Cristancho Mantilla (Universidad Autónoma de Barcelona, Spain)
Vladimir Turjacanin (Banja Luka University, Bosnia and Herzegovina)

Daan van Knippenberg (Rotterdam School of Management, The Netherlands)

Dominic Abrams (University of Kent, UK)
Robin Martin (Aston Business School, UK)
Marilynn Brewer (Ohio State University)

Richard Crisp (University of Kent, UK)
David Sherman (University of California, Santa Barbara)

Former Members

Yasemin Acar (Özyeğin University, Istanbul, Turkey)
Janice Adelman (Virginia Military Institute)
Robert Blagg (University of California, Los Angeles, Consortium for Children & Families)
Danielle Blaylock (Queens University, Belfast, UK)
Tamara Duggan-Herd (Kravis Leadership Institute, Claremont-McKenna College)
Liran Goldman (Naval Criminal Investigative Service)
John Haller (Claremont McKenna College)
Carola Leicht (University of Kent, UK)
Namrata Mahajan (Cobblestone Applied Research and Evaluation, Los Angeles)
Monique Matelski (Cobblestone Applied Research and Evaluation, Los Angeles)
Cody Packard
Jason Rivera (Claremont Graduate University and Pitzer College)
Shirley Samson (University of Kent, UK)
Dana Turcotte (Netflix, Inc.)
Suzanne van Gils (Maastricht University, The Netherlands)
Jennifer Williams
Isaac Young (University of Arizona)