2025 and in press
Jeong, H. Y., Vollhardt, J. R., & Twali, M. S. (2025, in press). Power and resistance: Black Americans’ multifaceted perceptions of ingroup strengths and their effects on collective efficacy and resistance. British Journal of Social Psychology.
Vollhardt, J.R., Ünal, H., & Nair, R. (2025, in press). Between solidarity and betrayal: How differences in societal acknowledgment, group position, and expectations inform intergroup relations in the context of collective victimization. International Journal of Social Psychology.
Marazzi, C., Mukherjee, A., & Vollhardt, J. R. (2025, in press). Collective resistance and resilience. In Y. Acar, B. Kellezi, & S. Penic (Eds.), The power of collective resilience against political violence and repression. Routledge.
Jeong, H., Twali, M.S., & Vollhardt, J.R. (2025, in press). Beyond vulnerability: Collective victimization beliefs that are linked to collective resilience. In Y. Acar, B. Kellezi, & S. Penic (Eds.), The power of collective resilience against political violence and repression. Routledge.
Ayanian, A., Adra, A., Bou Zeineddine, F., Saab, R., Vollhardt, J. R., & Tausch, N. (2025). Collective action under repressive conditions: Integration of individual, group, and structural level research, recommendations, and reflections. Social Issues and Policy Review, 19(1), e70000.
Twali, M.S., Eldeeb, S., & Vollhardt, J. R. (2025). Acknowledgment of collective victimization: Findings from four contexts of historical victimization. Analyses of Social Issues and Public Policy, 25(1), e12440.
Marazzi, C., & Vollhardt, J. R. (2025). “When you live in a colony… Every act counts”: Exploring engagement in and perceptions of diverse anti-colonial resistance strategies in Puerto Rico. British Journal of Social Psychology, 64(2), e12808.
2024
Vollhardt, J.R., Konushevci, T., Macedonci, A., & Lee, H. (2024). Never again: Lessons of genocide in survivor testimonies from the Holocaust, Nanjing Massacre, and Rwandan Genocide. European Journal of Social Psychology, 54 (7), 1577-1592.
Jeong, H. Y., Vollhardt, J. R., Twali, M. S., & Tawa, J. (2024). Different power perceptions based on socially situated needs: Findings from a qualitative study among Asian Americans. British Journal of Social Psychology, 63 (4), 2135-2157.
Ledgerwood, A., Lawson, K. M., Kraus, M. W., Vollhardt, J. R., Remedios, J. D., Westberg, D. W., Uskul, A. K., Adetula, A., Leach, C. W., Martinez, J. E., Naumann, L. P., Reddy, G., Tate, C., Todd, A. R., Weltzien, K., Buchanan, N. T., González, R., Montilla Doble, L. J., Romero-Canyas, R., Westgate, E., & Zou, L. X. (2024). Disrupting racism and global exclusion in academic publishing: Recommendations and resources for authors, reviewers, and editors. Collabra: Psychology, 10 (1), 121394.
Skrodza, M., & Vollhardt, J.R. (2024). Collective victim beliefs in the aftermath of historical trauma and their effects on psychological well-being: Initial findings among the Polish diaspora in the U.S. Journal of Community & Applied Social Psychology, 34(4), e2832.
Bou Zeineddine, F., & Vollhardt, J. R. (2024). Resistance to repression and violence: Global psychological perspectives. Oxford University Press.
Vollhardt, J.R., & Bou Zeineddine, F. (2024). Introduction: The psychology of resistance in violent and repressive contexts. In F. Bou Zeineddine & J.R. Vollhardt (Eds.), Resistance to repression and violence: Global psychological perspectives (pp. 1-21). Oxford University Press.
Vollhardt, J.R., & Bilewicz, M. (2024). Jewish resistance during the Holocaust: Influences on the choice between individual and collective resistance strategies. In F. Bou Zeineddine & J.R. Vollhardt (Eds.), Resistance to repression and violence: Global psychological perspectives (pp. 179-200). Oxford University Press.
Bou Zeineddine, F., & Vollhardt, J.R. (2024). The psychology of resistance in violent and repressive contexts: A conclusion and a beginning. In F. Bou Zeineddine & J.R. Vollhardt (Eds.), Resistance to repression and violence: Global psychological perspectives (pp. 325-341). Oxford University Press.
Acar, Y. G., Figueiredo, A., Kutlaca, M., Li, M., Mustafa, A., Sagherian-Dickey, T., Vestergren, S., & Vollhardt, J.R. (2024). Why protest when it is not working? The complexities of efficacy in the current Palestine solidarity protests. Social Psychological Review, 26 (1), 10-17. (shared first authorship, authors listed in alphabetical order)
Penić, S., Vollhardt, J. R., Donnay, K., Albzour, M., & Bhavnani, R. (2024). The geography of military occupation and its effect on Palestinian community cohesion, norms and resistance motivation. Peace and Conflict: Journal of Peace Psychology, 30(1), 94-106.
Cohrs, J. C., Figueiredo, A., Putra, I. E., & Vollhardt, J. R. (2024). Editorial report and acknowledgement of reviewers, 2023. Journal of Social and Political Psychology, 12(1), 1-4.
2023
Twali, M.S., Overstreet, N., & Vollhardt, J. R. (2023). Lay theories about collective power in the context of racial oppression. European Journal of Social Psychology, 53(6), 1037-1054.
Okuyan, M., Vollhardt, J.R., & Stewart, A. (2023). What predicts perceived discrimination among White Americans? Findings from two nationally representative studies. Analyses of Social Issues and Public Policy, 23(1), 45-72.
Vollhardt, J. R., Ünal, H., & Nair, R. (2023). ‘You don’t compare horrors, you just don’t do that’: Examining assumptions and extending the scope of comparative victim beliefs. British Journal of Social Psychology, 62(1), 393–413.
2022
Okuyan, M., & Vollhardt, J.R. (2022). The role of group versus hierarchy motivations in dominant groups’ perceived discrimination. Group Processes & Intergroup Relations, 25(3) NP54–NP80.
Rupar, M., Bobowik, M., Arnoso, M., Arnoso, A., & Vollhardt, J. R. (2022). General inclusive victimhood predicts willingness to engage in intergroup contact: Findings from Bosnia-Herzegovina and the Basque Country. Journal of Applied Social Psychology, 52(2), 71-84.
Vollhardt, J.R., Jeong, H., & Bilali, R. (2022). Reconciliation in the aftermath of collective violence. In D. Osborne & C. Sibley (Eds.), The Cambridge Handbook of Political Psychology (pp. 582-598). Cambridge University Press.
Cohrs, J. C., & Vollhardt, J. R. (2022). Editorial Report and Acknowledgement of Reviewers, 2021. Journal of Social and Political Psychology, 10(1), 1-6.
2021
Vollhardt, J.R., Szabó, Z., McNeill, A., Hadjiandreou, E., & Winiewski, M. (2021). Beyond comparisons: The complexity and context-dependency of collective victim beliefs. European Journal of Social Psychology, 51 (7), 1138-1157.
Vollhardt, J.R., Cohrs, J.C., Szabó, Z.P., Winiewski, M., Twali, M.S., Hadjiandreou, E., & McNeill, A. (2021). The role of comparative victim beliefs in predicting support for hostile versus prosocial intergroup outcomes. European Journal of Social Psychology, 51(3), 505-524.
Vollhardt, J.R., Twali, M. S., & Jayakody, S. (2021). Inclusive narratives of suffering. In G. Elcheroth & N. de Mel (Eds.), In the shadow of transitional justice. Cross-national perspectives on the transformative potential of remembrance. Routledge.
Jeong, H., & Vollhardt, J.R. (2021a). Koreans’ collective victim beliefs about Japanese colonization. Peace and Conflict: Journal of Peace Psychology, 27(4), 629–641.
Jeong, H., & Vollhardt, J.R. (2021b). Different collective memories of Japanese colonization in Korea: Consequences for distinct preferences for strategies to deal with the past. Asian Journal of Social Psychology, 24(3), 392-404.
Penić, S., Vollhardt, J.R., & Reicher, S. (2021). Reconciliation versus justice? It depends on the context: The role of symmetric and asymmetric violence in predicting post-conflict attitudes. Social Psychological and Personality Science, 12 (2), 202-212.
2020
Nair, R., & Vollhardt, J.R. (2020). Intersectionality and relations between oppressed groups: Intergroup implications of beliefs about intersectional differences and commonalities. Journal of Social Issues, 76, 993-1013.
Vollhardt, J. R., Okuyan, M., & Ünal, H. (2020). Resistance to collective victimization and oppression. Current Opinion in Psychology, 35, 92-97.
Vollhardt, J.R. (Ed.). (2020). The social psychology of collective victimhood. New York: Oxford University Press.
Vollhardt, J.R. (2020). Introduction to “The social psychology of collective victimhood”: Examining context, power, and diversity in experiences of collective victimization. In J. R. Vollhardt (Ed.), The social psychology of collective victimhood. New York: Oxford University Press.
Twali, M., Hameiri, B., Vollhardt, J. R., & Nadler, A. (2020). Experiencing acknowledgment versus denial of the ingroup’s collective victimization. In J. R. Vollhardt (Ed.), The social psychology of collective victimhood. New York: Oxford University Press.
McNeill, A. & Vollhardt, J. R. (2020). “We all suffered!” – The role of power in rhetorical strategies of inclusive victimhood and its consequences for intergroup relations. In J. R. Vollhardt (Ed.), The social psychology of collective victimhood. New York: Oxford University Press.
Szabó, Z., Vollhardt, J.R., & Mészáros, N. (2020). Through the lens of history: The effects of beliefs about historical victimization on responses to refugees. International Journal of Intercultural Relations, 74, 94-114.
Cohrs, J.C., & Vollhardt, J.R. (2020). Editorial report and acknowledgment of reviewers, 2019 [Editorial]. Journal of Social and Political Psychology, 8, 1-7.
2019
Vollhardt, J.R., & Twali, M.S. (2019). The aftermath of genocide: Divergent social psychological processes among victim and perpetrator groups. In L. S. Newman (Ed.), Confronting humanity at its worst: The social psychology of genocide and extreme intergroup violence. New York: Oxford University Press.
Bilali, R., & Vollhardt, J.R. (2019). Victim and perpetrator groups’ divergent perspectives on collective violence: Implications for intergroup relations. Advances in Political Psychology, 40, 75-108.
Nair, R., & Vollhardt, J. R. (2019). Intersectional consciousness in collective victim beliefs: perceived intragroup differences among disadvantaged groups. Political Psychology, 40(50), 917-934.
Cohrs, J. C., & Vollhardt, J. R. (2019). Editorial report and acknowledgement of reviewers, 2018. Journal of Social and Political Psychology, 7(1), 1-7.
2018
Vollhardt, J.R. & Nair, R. (2018). The two-sided nature of individual and intragroup experiences in the aftermath of collective victimization: Findings from four diaspora groups. European Journal of Social Psychology, 48 (4), 412-432.
Cohrs, J.C., Vollhardt, J.R., & McKeown Jones, S. (2018). Intergroup conflict, peace and reconciliation. In C.J. Hewer & E. Lyons (Eds.), Political psychology: A social psychological approach (pp. 292-312). Oxford: BPS Wiley.
Schroer-Hippel, M., Cohrs, J.C., & Vollhardt, J. R. (2018). Sozialpsychologische Friedens- und Konfliktforschung [Social psychological peace and conflict studies]. In O. Decker (Ed.), Sozialpsychologie und Sozialtheorie. [Social psychology and social theory]. Wiesbaden, Germany: Springer VS-Verlag.
Cohrs, J.C., & Vollhardt, J.R. (2018). Editorial report and acknowledgment of reviewers, 2017 [Editorial]. Journal of Social and Political Psychology, 6, 1-7.
2017
Vollhardt, J.R. (2017). Using norms, knowledge, and narratives for the prevention of crimes against humanity and genocide. In S. Totten (Ed.), Last lectures: The prevention and intervention of genocide. New York: Routledge.
Noor, M., Vollhardt, J.R., Mari, S., & Nadler, A. (Eds.) (2017). The social psychology of collective victimhood. European Journal of Social Psychology, 47. [special issue]
Noor, M., Vollhardt, J.R., Mari, S., & Nadler, A. (2017). Social psychology of collective victimhood. (Introduction to the special issue) European Journal of Social Psychology, 47, 121-134.
Bilali, R., Vollhardt, J.R., & Rarick, J.R.D. (2017). Modeling collective action through media to promote social change and positive intergroup relations in violent conflicts. Journal of Experimental Social Psychology, 68, 200-211.
Cohrs, J.C., & Vollhardt, J.R. (2017). Editorial report and acknowledgment of reviewers, 2016 [Editorial]. Journal of Social and Political Psychology, 5, 1-7.
2016
Vollhardt, J.R., & Twali, M. S. (2016). Emotion-based reconciliation requires attention to power differences, critical consciousness, and structural change. Psychological Inquiry, 27, 136-143.
Vollhardt, J.R., Nair, R., & Tropp, L. (2016). Inclusive victim consciousness predicts minority group members’ support for refugees and immigrants. Journal of Applied Social Psychology, 46, 354–368.
Moss, S. M., & Vollhardt, J.R. (2016). “You can’t give a syringe with unity”: Rwandan responses to the government’s single recategorization policies. Analyses of Social Issues and Public Policy, 16, 325-359.
Mazur, L., & Vollhardt, J. R. (2016). The prototypicality of genocide: Implications for international intervention. Analyses of Social Issues and Public Policy, 16, 290-320.
Bilali, R., Vollhardt, J.R., & Rarick, J. R. D. (2016). Assessing the impact of a media-based intervention to prevent intergroup violence and promote positive intergroup relations in Burundi. Journal of Community and Applied Social Psychology, 26, 221-235.
Vollhardt, J.R., & Campbell-Obaid., M. (2016). The social psychology of genocide and mass atrocities. In A. Miller (Ed.), The social psychology of good and evil (2nd ed., pp. 159-184). New York: Guilford Press.
Vollhardt, J.R. (2016). The role of social psychology in preventing group-selective mass atrocities. In S. Rosenberg, T. Galis, & A. Zucker (Eds.), Reconstructing atrocity prevention (pp. 95-124). New York: Cambridge University Press.
Cohrs, J. C., & Vollhardt, J. R. (2016). Editorial report and acknowledgement of reviewers, 2015 [Editorial]. Journal of Social and Political Psychology, 4, 1-7.
2015
Vollhardt, J.R., & Bilali, R. (2015). The role of inclusive and exclusive victim consciousness in predicting intergroup attitudes: Findings from Rwanda, Burundi, and DRC. Political Psychology, 36, 489-506.
Vollhardt, J.R. (2015). Inclusive victim consciousness in advocacy, social movements, and intergroup relations: Promises and pitfalls. Social Issues and Policy Review, 9, 89-120.
Bilali, R., & Vollhardt, J.R. (2015). Can mass media interventions effectively promote peace in contexts of ongoing violence? Evidence from Eastern Democratic Republic of Congo. Peace and Conflict: Journal of Peace Psychology, 21, 604-620.
Cohrs, J. C., McNeill, A., & Vollhardt, J. R. (2015). The two-sided role of inclusive victimhood for intergroup reconciliation: Evidence from Northern Ireland. Peace and Conflict: Journal of Peace Psychology, 21, 634-647.
Vollhardt, J. R., Bilewicz, M., & Olechowski, M. (2015). Victims under siege: Lessons for Polish-Jewish relations and beyond. In K. Sharvit & E. Halperin (Eds.), The social psychology of intractable conflicts – celebrating the legacy of Daniel Bar-Tal, volume I (pp. 75-87). New York: Springer.
Mazur, L., Nair, R., & Vollhardt, J. R. (2015). Dynamics of group and intergroup relations. In A. Dost-Gözkan & D. Sönmez Keith (Eds.), Norms, groups, conflict and social change: Rediscovering Muzafer Sherif’s Psychology (159-186). Piscataway, NJ: Transaction.
Cohrs, J.C., & Vollhardt, J.R. (2015). Editorial report and acknowledgment of reviewers, 2014 [Editorial]. Journal of Social and Political Psychology, 3, 1-7.
2014
Vollhardt, J.R., Mazur, L.B., & Lemahieu, M. (2014). Acknowledgment after mass violence: Effects on psychological well-being and intergroup relations. Group Processes and Intergroup Relations, 17, 306 – 323.
Campbell, M., & Vollhardt, J.R. (2014). Fighting the good fight: The relationship between belief in evil and support for violent policies. Personality and Social Psychology Bulletin, 40, 16-33.
Vollhardt, J.R. (2014). The question of legitimacy in studying collective trauma. In I. Maček (Ed.), Engaging violence. Trauma, memory, and representation (pp. 74-90). New York, NY: Routledge.
Nair, R., & Vollhardt, J.R. (2014). Understanding intergroup relations in India: The role of group-based victim consciousness. Charpoy: An Interdisciplinary Journal of the Social Sciences, 1, 50-61.
2013
Vollhardt, J.R., & Bilewicz, M. (Eds.). (2013). The aftermath of genocide: psychological perspectives. Journal of Social Issues, 69 (1). [special issue]
Vollhardt, J.R., & Cohrs, J.C. (2013). Aktuelle Sozialpsychologische Beitrӓge zur Friedens- und Konfliktforschung [Current social psychological contributions to Peace and Conflict Studies]. Zeitschrift für Friedens- und Konfliktforschung [Journal of Peace and Conflict Studies], 2, 246-277.
Bilali, R., & Vollhardt, J.R. (2013). Priming effects of a reconciliation radio drama on historical perspective taking in the aftermath of mass violence in Rwanda. Journal of Experimental Social Psychology, 49, 144-151.
Vollhardt, J.R. (2013). “Crime against humanity” or “Crime against Jews”? Acknowledgment in construals of the Holocaust and its importance for intergroup relations. Journal of Social Issues, 69, 144-161.
Vollhardt, J.R., & Bilewicz, M. (2013). After the genocide: psychological perspectives on victim, bystander, and perpetrator groups. Journal of Social Issues, 69, 1-15.
Cohrs, J.C., & Vollhardt, J.R. (2013). Welcome to a new international open-access journal in social and political psychology [Editorial]. Journal of Social and Political Psychology, 1, 1-4.
Vollhardt, J. R. (2013). Genozid [Genocide]. In M. Wirtz (Ed.), Dorsch – Psychologisches Wӧrterbuch [Dorsch – Psychological Dictionary] (16th ed., p. 621). Bern, Switzerland: Hans Huber. URL: http://portal.hogrefe.com/dorsch/genozid/
Vollhardt, J. R. (2013). Ethnischer Konflikt [Ethnic conflict]. In M. Wirtz (Ed.), Dorsch – Psychologisches Wӧrterbuch [Dorsch – Psychological Dictionary] (16th ed., p. 499). Bern, Switzerland: Hans Huber. URL: http://portal.hogrefe.com/dorsch/ethnischer-konflikt/
2012
Vollhardt, J.R. (2012). Interpreting rights and duties after mass violence. Culture and Psychology, 18, 133-145.
Bilewicz, M., & Vollhardt, J. R. (2012). Evil transformations: Psychological processes underlying genocide and mass killing. In A. Golec De Zavala & A. Cichocka (Eds.), Social psychology of social problems. The intergroup context (pp. 280 – 307). New York, NY: Palgrave Macmillan.
Vollhardt, J. R. (2012). Collective victimization. In L. Tropp (Ed.), Oxford handbook of intergroup conflict (pp. 136 – 157). New York, NY: Oxford University Press.
Groeben, N. & Vollhardt, J.R. (2012). Friedenspsychologie als zielorientierte Praxisforschung. Eine metatheoretisch-methodologische Kritik. [Peace psychology as goal-oriented, practice-focused research. A meta-theoretical methodological critique.] In W. Baros & J. Rost (Eds.), Natur- und kulturwissenschaftliche Perspektiven in der Psychologie. Methodologie – Methoden – Anwendungsbeispiele [Natural and cultural science perspectives in psychology. Methodology – methods – application examples] (pp. 17-27). Berlin, Germany: Verlag irina regener.
Vollhardt, J. R. (2012). Collective victimhood. In D. J. Christie (Ed.), Encyclopedia of Peace Psychology (pp. 1164-1167). Hoboken, NJ: Wiley-Blackwell.
Vollhardt, J. R. (2012). Social psychological peace research. In D. J. Christie (Ed.), Encyclopedia of Peace Psychology (pp. 1037-1041). Hoboken, NJ: Wiley-Blackwell.
Vollhardt, J. R. (2012). Tolerance for diverse groups. In D. J. Christie (Ed.), Encyclopedia of Peace Psychology (pp. 1117-1121). Hoboken, NJ: Wiley-Blackwell.
2011
Vollhardt, J. R., & Staub, E. (2011). Inclusive altruism born of suffering: The effects of past suffering on prosocial behavior toward outgroups. American Journal of Orthopsychiatry, 81, 307-315.
Vollhardt, J.R. (2011). Beyond damage and social reproduction: Meaning making, agency, and living history among youth in the aftermath of violent conflict. Invited book review, Peace and Conflict: Journal of Peace Psychology, 17, 210-214.
Vollhardt, J.R. (2011). Power and dehumanization as barriers to intergroup dialogue: Commentary on “Toward a dialogical model of conflict resolution” (Seamus A. Power). Society and Psychology, 4, 71-75.
2010
Vollhardt, J. R. (2010). Enhanced external and culturally sensitive attributions after extended intercultural contact. British Journal of Social Psychology, 49, 363-383.
2009
Vollhardt, J.R. (2009). Altruism born of suffering and prosocial behavior following adverse life events: A review and conceptual integration. Social Justice Research, 22, 53-97.
Vollhardt, J. R. (2009). The role of victim beliefs in the Israeli-Palestinian conflict: Risk or potential for peace? Peace and Conflict: Journal of Peace Psychology, 15, 135-159.
Shapiro, I., Bilali, R., & Vollhardt, J. (2009). Peace. In S. J. Lopez (Ed.), The encyclopedia of positive psychology, Vol. 2 (pp. 672-676). Oxford, UK: Wiley-Blackwell.
2008
Staub, E., & Vollhardt, J. (2008). Altruism born of suffering: The roots of caring and helping after experiences of personal and political victimization. American Journal of Orthopsychiatry, 78, 267-280.
Vollhardt, J., & Bilali, R. (2008). Social psychology’s contribution to the psychological study of peace: A review. Social Psychology, 39, 12-25.
Vollhardt, J., & Migacheva, K., & Tropp, L. (2008). Social cohesion and tolerance for group differences. In J. de Rivera (Ed.), Handbook on building cultures of peace (pp. 139-152). Berlin, New York: Springer.
prior to 2008
Vollhardt, J., Coutin, M., Staub, E., Weiss, G., & Deflander, J. (2007). Deconstructing hate speech in the DRC: A psychological media sensitization campaign. Journal of Hate Studies, 5, 15-36.
Vollhardt, J. (2004). Der Einfluss des Faktors Geschlecht auf die Filmpräferenz [The influence of gender on the preference of film genres]. In B. Boeckle & M. Ruf (Eds.), Eine Frage des Geschlechts. Ein Gender-Reader [The question of gender. A gender reader]. (pp. 207-219). Wiesbaden, Germany: Verlag für Sozialwissenschaften.
Carroll, M. & Vollhardt, J. (2002). “If people want to have dual citizenship, what’s wrong with that?” Examining the legal and emotional aspects of dual citizenship in Germany. Humanity in Action – Reports of the Fellows (Vol. 4) (pp. 127 – 130). New York.
Schick, H., Vollhardt, J., Herfordt, J., Groeben, N. & Reiß, F. (2000). Beziehungs- oder Prinzipientreue in der Politik? Eine inhaltsanalytische Untersuchung zur moralischen Beurteilung politischer Affären anhand des Stufenmodells nach Kohlberg [Loyalty toward personal relations or principles in politics? A content-analytic study of politicians’ moral judgments according to Kohlberg’s stage model]. Kölner Psychologische Studien, 5, 27-55. http://www.uni-koeln.de/phil-fak/psych/allgemeine/forschung/prinzipientreue/index.html