Uppsala Conflict Data Program. UCDP (2022).
Esteban, J., Mayoral, L. & Ray, D. Ethnicity and conflict: an empirical study. Am. Econ. Rev. 102, 1310–1342 (2012).
Google Scholar
Deutsch, M., Coleman, P. T. & Marcus, E. C. The Handbook of Conflict Resolution: Theory and Practice (John Wiley & Sons, 2011).
Hegre, H. & Nygård, H. M. Governance and conflict relapse. J. Confl. Resolut. 59, 984–1016 (2015).
Google Scholar
Von Einsiedel, S., Bosetti, L., Cockayne, J., Salih, C. & Wan, W. Civil war trends and the changing nature of armed conflict. UNU CPR (2017).
Cehajic, S., Brown, R. & Castano, E. Forgive and forget? Antecedents and consequences of intergroup forgiveness in Bosnia and Herzegovina. Polit. Psychol. 29, 351–367 (2008).
Google Scholar
Fiske, S. T. What we know now about bias and intergroup conflict, the problem of the century. Curr. Dir. Psychol. Sci. 11, 123–128 (2002).
Google Scholar
Tam, T., Hewstone, M., Kenworthy, J. & Cairns, E. Intergroup trust in Northern Ireland. Pers. Soc. Psychol. Bull. 35, 45–59 (2009).
Google Scholar
Schmid, K. & Muldoon, O. T. Perceived threat, social identification, and psychological well‐being: the effects of political conflict exposure. Polit. Psychol. 36, 75–92 (2015).
Google Scholar
Halperin, E., Hameiri, B. & Littman, R. Psychological Intergroup Interventions: Evidence-Based Approaches to Improve Intergroup Relations (Taylor & Francis, 2023). This handbook provides a systematic and comprehensive overview of existing psychological intergroup interventions.
Čehajić-Clancy, S., Goldenberg, A., Gross, J. J. & Halperin, E. Social-psychological interventions for intergroup reconciliation: an emotion regulation perspective. Psychol. Inq. 27, 73–88 (2016). This paper proposed regulation of group-based emotions as an important process underlying the effectiveness of intergroup interventions.
Google Scholar
Hartman, R. et al. Interventions to reduce partisan animosity. Nat. Hum. Behav. 6, 1194–1205 (2022).
Google Scholar
Čehajić‐Clancy, S., Janković, A., Opačin, N. & Bilewicz, M. The process of becoming ‘we’ in an intergroup conflict context: how enhancing intergroup moral similarities leads to common‐ingroup identity. Br. J. Soc. Psychol. 62, 1251–1270 (2023).
Google Scholar
Brewer, M. B. Intergroup Relations (Oxford Univ. Press, 2010).
Paluck, E. L., Porat, R., Clark, C. S. & Green, D. P. Prejudice reduction: progress and challenges. Annu. Rev. Psychol. 72, 533–560 (2021). This paper reviews the effectiveness and limitations of experimental studies aimed at prejudice reduction by proposing specific limitations of the field and ways of overcoming those.
Google Scholar
Nadler, A., Malloy, T. & Fisher, J. D. Social Psychology of Intergroup Reconciliation (Oxford Univ. Press, 2008).
Hameiri, B., Nabet, E., Bar-Tal, D. & Halperin, E. Paradoxical thinking as a conflict-resolution intervention: comparison to alternative interventions and examination of psychological mechanisms. Pers. Soc. Psychol. Bull. 44, 122–139 (2018).
Google Scholar
Bilali, R. & Staub, E. In The Cambridge Handbook of the Psychology of Prejudice (eds Sibley, C. G. & Barlow, F. K.) 607–631 (Cambridge Univ. Press, 2017).
Halperin, E., Russell, A. G., Trzesniewski, K. H., Gross, J. J. & Dweck, C. S. Promoting the Middle East peace process by changing beliefs about group malleability. Science 333, 1767–1769 (2011).
Google Scholar
Avichail, T., Tamir, M., Gross, J. J. & Halperin, E. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) 99–113 (Routledge, 2023).
Cohen-Chen, S., Goldenberg, A., Gross, J. J. & Halperin, E. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) 86–98 (Routledge, 2023).
Sherman, D. K., Gibbs, W. C. & Binning, K. R. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) ch. 6 (Routledge, 2023).
Murrar, S. & Brauer, M. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) ch. 4 (Routledge, 2023).
Hameiri, B., Bar-Tal, D. & Halperin, E. Challenges for peacemakers: how to overcome socio-psychological barriers. Policy Insights Behav. Brain Sci. 1, 164–171 (2014).
Google Scholar
Ditlmann, R. K., Samii, C. & Zeitzoff, T. Addressing violent intergroup conflict from the bottom up? Soc. Issues Policy Rev. 11, 38–77 (2017). This paper reviews the effectiveness of individual-level interventions.
Google Scholar
Čehajić-Clancy, S. & Bilewicz, M. Moral-exemplar intervention: a new paradigm for conflict resolution and intergroup reconciliation. Curr. Dir. Psychol. Sci. 30, 335–342 (2021).
Google Scholar
Littman, R., Scacco, A. & Weiss, C. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) 3–16 (Routledge, 2024).
Blaylock, D., Turner, R. N. & Crisp, R. J. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) 17–30 (Routledge, 2023).
Witkowska, M., Bilewicz, M. & Čehajić-Clancy, S. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) 126–135 (Routledge, 2022).
Mousa, S. Building social cohesion between Christians and Muslims through soccer in post-ISIS Iraq. Science 369, 866–870 (2020). This paper demonstrates the effectiveness and the limits of contact-based approaches to improving intergroup relations using field experiments.
Google Scholar
Burrows, B., Tropp, L. R., Dehrone, T. A. & Čehajić-Clancy, S. How intergroup contact shapes intergroup attitudes and construals of relations between ethnic groups: evidence from Bosnia and Herzegovina. Peace Confl. J. Peace Psychol. 28, 372–383 (2022).
Čehajić-Clancy, S. & Olsson, A. Threaten and affirm: the role of ingroup moral exemplars for promoting prosocial intergroup behavior through affirming moral identity. Group Process. Intergroup Relat 27, 136843022211483 (2023).
Shuman, E. et al. Advancing support for intergroup equality via a self-affirmation campaign. Group Process. Intergroup Relat. 26, 1888–1908 (2022).
Hameiri, B. & Moore-Berg, S. L. Intervention tournaments: an overview of concept, design, and implementation. Perspect. Psychol. Sci. 17, 1525–1540 (2022). This paper proposes a new experimental design that compares several interventions against a single control condition.
Google Scholar
Landry, A. P. & Halperin, E. Intergroup psychological interventions: the motivational challenge. Am. Psychol. (2023). This paper addresses the issue of motivation in studying and implementing intergroup interventions.
Bar‐Tal, D. & Hameiri, B. Interventions to change well‐anchored attitudes in the context of intergroup conflict. Soc. Personal. Psychol. Compass 14, e12534 (2020).
Google Scholar
Halperin, E. & Schori‐Eyal, N. Towards a new framework of personalized psychological interventions to improve intergroup relations and promote peace. Soc. Personal. Psychol. Compass 14, 255–270 (2020). This paper presents a framework for personalization of intergroup interventions.
Google Scholar
Čehajić-Clancy, S. & Bilewicz, M. Fostering reconciliation through historical moral exemplars in a postconflict society. Peace Confl. J. Peace Psychol. 23, 288–296 (2017).
Čehajić-Clancy, S., Effron, D. A., Halperin, E., Liberman, V. & Ross, L. D. Affirmation, acknowledgment of in-group responsibility, group-based guilt, and support for reparative measures. J. Pers. Soc. Psychol. 101, 256–270 (2011).
Google Scholar
Halperin, E., Pliskin, R., Saguy, T., Liberman, V. & Gross, J. J. Emotion regulation and the cultivation of political tolerance: searching for a new track for intervention. J. Confl. Resolut. 58, 1110–1138 (2014).
Google Scholar
Galinsky, A. D. & Ku, G. The effects of perspective-taking on prejudice: the moderating role of self-evaluation. Pers. Soc. Psychol. Bull. 30, 594–604 (2004).
Google Scholar
Bilali, R. & Vollhardt, J. R. Priming effects of a reconciliation radio drama on historical perspective-taking in the aftermath of mass violence in Rwanda. J. Exp. Soc. Psychol. 49, 144–151 (2013).
Google Scholar
Čehajić‐Clancy, S. & Bilewicz, M. Appealing to moral exemplars: shared perception of morality as an essential ingredient of intergroup reconciliation. Soc. Issues Policy Rev. 14, 217–243 (2020).
Google Scholar
Kalla, J. L. & Broockman, D. E. Reducing exclusionary attitudes through interpersonal conversation: evidence from three field experiments. Am. Polit. Sci. Rev. 114, 410–425 (2020).
Google Scholar
Levendusky, M. S. Americans, not partisans: can priming american national identity reduce affective polarization? J. Polit. 80, 59–70 (2018).
Google Scholar
Kubin, E., Puryear, C., Schein, C. & Gray, K. Personal experiences bridge moral and political divides better than facts. Proc. Natl Acad. Sci. USA 118, e2008389118 (2021).
Google Scholar
Walton, G. M. The new science of wise psychological interventions. Curr. Dir. Psychol. Sci. 23, 73–82 (2014).
Google Scholar
Goldenberg, A. et al. Testing the impact and durability of a group malleability intervention in the context of the Israeli–Palestinian conflict. Proc. Natl Acad. Sci. USA 115, 696–701 (2018).
Google Scholar
Murrar, S., Campbell, M. R. & Brauer, M. Exposure to peers’ pro-diversity attitudes increases inclusion and reduces the achievement gap. Nat. Hum. Behav. 4, 889–897 (2020).
Google Scholar
Endevelt, K., Halperin, E. & Porat, R. Zoom out: an intervention on the virtual learning environment improves minority students’ grades in two field experiments in Israel. Proc. Natl Acad. Sci. (2024).
Littman, R., Bilali, R. & Hameiri, B. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) 165–177 (Routledge, 2023).
Badea, C. & Sherman, D. K. Self-affirmation and prejudice reduction: when and why? Curr. Dir. Psychol. Sci. 28, 40–46 (2019).
Google Scholar
Badea, C., Binning, K., Verlhiac, J.-F. & Sherman, D. K. In the aftermath of terrorism: effects of self versus group affirmation on support for discriminatory policies. J. Exp. Soc. Psychol. 76, 421–428 (2018).
Google Scholar
Halperin, E. & Schori‐Eyal, N. Towards a new framework of personalized psychological interventions to improve intergroup relations and promote peace. Soc. Personal. Psychol. Compass 14, 255–270 (2020).
Google Scholar
Dixon, J., Tropp, L. R., Durrheim, K. & Tredoux, C. “Let them eat harmony”: prejudice-reduction strategies and attitudes of historically disadvantaged groups. Curr. Dir. Psychol. Sci. 19, 76–80 (2010).
Google Scholar
Reimer, N. K. & Sengupta, N. K. Meta-analysis of the “ironic” effects of intergroup contact. J. Pers. Soc. Psychol. 124, 362–380 (2023).
Google Scholar
Saguy, T., Tausch, N., Dovidio, J. F. & Pratto, F. The irony of harmony: intergroup contact can produce false expectations for equality. Psychol. Sci. 20, 114–121 (2009).
Google Scholar
Dixon, J. ‘Thinking ill of others without sufficient warrant?’ Transcending the accuracy–inaccuracy dualism in prejudice and stereotyping research. Br. J. Soc. Psychol. 56, 4–27 (2017).
Google Scholar
Brauer, M. Stuck on intergroup attitudes: the need to shift gears to change intergroup behaviors. Perspect. Psychol. Sci. 19, 280–294 (2023).
Google Scholar
Kollmuss, A. & Agyeman, J. Mind the gap: why do people act environmentally and what are the barriers to pro-environmental behavior? Environ. Educ. Res. 8, 239–260 (2002).
Google Scholar
Mortensen, C. R. et al. Trending norms: a lever for encouraging behaviors performed by the minority. Soc. Psychol. Personal. Sci. 10, 201–210 (2019).
Google Scholar
Prentice, D. & Paluck, E. L. Engineering social change using social norms: lessons from the study of collective action. Curr. Opin. Psychol. 35, 138–142 (2020).
Google Scholar
Tankard, M. E. & Paluck, E. L. The effect of a supreme court decision regarding gay marriage on social norms and personal attitudes. Psychol. Sci. 28, 1334–1344 (2017).
Google Scholar
Bruneau, E., Hameiri, B., Moore-Berg, S. L. & Kteily, N. Intergroup contact reduces dehumanization and meta-dehumanization: cross-sectional, longitudinal, and quasi-experimental evidence from 16 samples in five countries. Pers. Soc. Psychol. Bull. 47, 906–920 (2021).
Google Scholar
Lees, J. & Cikara, M. Inaccurate group meta-perceptions drive negative out-group attributions in competitive contexts. Nat. Hum. Behav. 4, 279–286 (2020).
Google Scholar
Kteily, N., Hodson, G. & Bruneau, E. They see us as less than human: metadehumanization predicts intergroup conflict via reciprocal dehumanization. J. Pers. Soc. Psychol. 110, 343–370 (2016).
Google Scholar
Moore-Berg, S. L., Ankori-Karlinsky, L.-O., Hameiri, B. & Bruneau, E. Exaggerated meta-perceptions predict intergroup hostility between American political partisans. Proc. Natl Acad. Sci. USA 117, 14864–14872 (2020).
Google Scholar
Shnabel, N. & Nadler, A. A needs-based model of reconciliation: satisfying the differential emotional needs of victim and perpetrator as a key to promoting reconciliation. J. Pers. Soc. Psychol. 94, 116–132 (2008).
Google Scholar
Ford, B. Q., Feinberg, M., Lam, P., Mauss, I. B. & John, O. P. Using reappraisal to regulate negative emotion after the 2016 US Presidential election: does emotion regulation trump political action? J. Pers. Soc. Psychol. 117, 998–1015 (2019).
Google Scholar
Solak, N., Tamir, M., Sümer, N., Jost, J. T. & Halperin, E. Expressive suppression as an obstacle to social change: linking system justification, emotion regulation, and collective action. Motiv. Emot. 45, 661–682 (2021).
Google Scholar
Brock-Petroshius, K., Garcia-Perez, J., Gross, M. & Abrams, L. Colorblind attitudes, empathy, and shame: preparing white students for anti-racist social work practice. J. Soc. Work. Educ. 59, 346–360 (2023).
Google Scholar
Iyer, A., Leach, C. W. & Crosby, F. J. White guilt and racial compensation: the benefits and limits of self-focus. Pers. Soc. Psychol. Bull. 29, 117–129 (2003).
Google Scholar
Reifen Tagar, M., Morgan, G. S., Halperin, E. & Skitka, L. J. When ideology matters: moral conviction and the association between ideology and policy preferences in the Israeli–Palestinian conflict. Eur. J. Soc. Psychol. 44, 117–125 (2014).
Google Scholar
Harel, T. O., Maoz, I. & Halperin, E. A conflict within a conflict: intragroup ideological polarization and intergroup intractable conflict. Curr. Opin. Behav. Sci. 34, 52–57 (2020).
Google Scholar
Iyengar, S., Lelkes, Y., Levendusky, M., Malhotra, N. & Westwood, S. J. The origins and consequences of affective polarization in the United States. Annu. Rev. Polit. Sci. 22, 129–146 (2019).
Google Scholar
Jost, J. T., Federico, C. M. & Napier, J. L. Political ideology: its structure, functions, and elective affinities. Annu. Rev. Psychol. 60, 307–337 (2009).
Google Scholar
Hitlin, S. & Pinkston, K. in Handbook of Social Psychology (eds DeLamater, J. & Ward, A.) 319–339 (Springer, 2013).
Altemeyer, B. Enemies of Freedom: Understanding Right-Wing Authoritarianism (Jossey-Bass, 1988).
Sidanius, J., Pratto, F., Van Laar, C. & Levin, S. Social dominance theory: its agenda and method. Polit. Psychol. 25, 845–880 (2004).
Google Scholar
Zmigrod, L. The role of cognitive rigidity in political ideologies: theory, evidence, and future directions. Curr. Opin. Behav. Sci. 34, 34–39 (2020).
Google Scholar
Jost, J. T. & Amodio, D. M. Political ideology as motivated social cognition: behavioral and neuroscientific evidence. Motiv. Emot. 36, 55–64 (2012).
Google Scholar
Piurko, Y., Schwartz, S. H. & Davidov, E. Basic personal values and the meaning of left‐right political orientations in 20 countries. Polit. Psychol. 32, 537–561 (2011).
Google Scholar
Ruisch, B. C. et al. Examining the left–right divide through the lens of a global crisis: ideological differences and their implications for responses to the COVID‐19 pandemic. Polit. Psychol. 42, 795–816 (2021).
Google Scholar
Feinberg, M. & Willer, R. Moral reframing: a technique for effective and persuasive communication across political divides. Soc. Personal. Psychol. Compass 13, e12501 (2019).
Google Scholar
Voelkel, J. G. & Feinberg, M. Morally reframed arguments can affect support for political candidates. Soc. Psychol. Personal. Sci. 9, 917–924 (2018).
Google Scholar
Winterich, K. P., Aquino, K., Mittal, V. & Swartz, R. When moral identity symbolization motivates prosocial behavior: the role of recognition and moral identity internalization. J. Appl. Psychol. 98, 759–770 (2013).
Google Scholar
Brannon, T. N., Carter, E. R., Murdock‐Perriera, L. A. & Higginbotham, G. D. From backlash to inclusion for all: instituting diversity efforts to maximize benefits across group lines. Soc. Issues Policy Rev. 12, 57–90 (2018).
Google Scholar
Argüello-Gutiérrez, C., López-Rodríguez, L. & Vázquez, A. The effect of moral foundations on intergroup relations: the salience of fairness promotes the acceptance of minority groups. Soc. Psychol. Personal. Sci. 15, 194855062311621 (2023).
Halperin, E. & Pliskin, R. Emotions and emotion regulation in intractable conflict: studying emotional processes within a unique context. Polit. Psychol. 36, 119–150 (2015).
Google Scholar
Halperin, E. Emotional barriers to peace: emotions and public opinion of Jewish Israelis about the peace process in the Middle East. Peace Confl. J. Peace Psychol. 17, 22–45 (2011).
Google Scholar
Snyder, C. R. The past and possible futures of hope. J. Soc. Clin. Psychol. 19, 11–28 (2000).
Google Scholar
Roseman, I. J. Cognitive determinants of emotion: a structural theory. Rev. Personal. Soc. Psychol. 5, 11–36 (1984).
Mackie, D. M., Devos, T. & Smith, E. R. Intergroup emotions: explaining offensive action tendencies in an intergroup context. J. Pers. Soc. Psychol. 79, 602–616 (2000).
Google Scholar
Berkowitz, L. Aggression: Its Causes, Consequences, and Control (McGraw-Hill, 1993).
Halperin, E. Group-based hatred in intractable conflict in Israel. J. Confl. Resolut. 52, 713–736 (2008).
Google Scholar
Goldberg, L. R. An alternative ‘description of personality’: the big-five factor structure. J. Pers. Soc. Psychol. 59, 1216–1229 (1990).
Google Scholar
Crawford, J. T. & Brandt, M. J. Who is prejudiced, and toward whom? The big five traits and generalized prejudice. Pers. Soc. Psychol. Bull. 45, 1455–1467 (2019).
Google Scholar
Sibley, C. G. & Duckitt, J. Personality and prejudice: a meta-analysis and theoretical review. Personal. Soc. Psychol. Rev. 12, 248–279 (2008).
Google Scholar
Ekehammar, B., Akrami, N., Gylje, M. & Zakrisson, I. What matters most to prejudice: big five personality, social dominance orientation, or right‐wing authoritarianism? Eur. J. Personal. 18, 463–482 (2004).
Google Scholar
Lucas, R. E., Diener, E., Grob, A., Suh, E. M. & Shao, L. Cross-cultural evidence for the fundamental features of extraversion. J. Pers. Soc. Psychol. 79, 452–468 (2000).
Google Scholar
Roccas, S., Sagiv, L., Schwartz, S. H. & Knafo, A. The big five personality factors and personal values. Pers. Soc. Psychol. Bull. 28, 789–801 (2002).
Google Scholar
Graziano, W. G. & Eisenberg, N. in Handbook of Personality Psychology (eds. Hogan, R., Johnson, J. A. & Briggs S. R.) 795–824 (Elsevier, 1997).
Roberts, B. W., Chernyshenko, O. S., Stark, S. & Goldberg, L. R. The structure of conscientiousness: an empirical investigation based on seven major personality questionnaires. Pers. Psychol. 58, 103–139 (2005).
Google Scholar
Carver, C. S., Sutton, S. K. & Scheier, M. F. Action, emotion, and personality: emerging conceptual integration. Pers. Soc. Psychol. Bull. 26, 741–751 (2000).
Google Scholar
Hirsh, J. B. & Inzlicht, M. The devil you know: neuroticism predicts neural response to uncertainty. Psychol. Sci. 19, 962–967 (2008).
Google Scholar
Fritsche, I., Jonas, E. & Kessler, T. Collective reactions to threat: implications for intergroup conflict and for solving societal crises: collective reactions to threat. Soc. Issues Policy Rev. 5, 101–136 (2011).
Google Scholar
Jonas, E. et al. in Advances in Experimental Social Psychology Vol. 49, 219–286 (Elsevier, 2014).
Tajfel, H. Social psychology of intergroup relations. Annu. Rev. Psychol. 33, 1–39 (1982).
Google Scholar
Brewer, M. B. Social identity, distinctiveness, and in-group homogeneity. Soc. Cogn. 11, 150–164 (1993).
Google Scholar
Park, J. H. & Van Leeuwen, F. In Evolutionary Perspectives on Social Psychology (eds Zeigler-Hill, V., Welling, L. L. M. & Shackelford, T. K.) 115–125 (Springer, 2015).
Hirschberger, G. & Shuster, B. in The Tribal Mind: The Psychology of Collectivism (Visegrad International Symposium on Social Psychology) (ed. Forgas, J.) (2024).
Noor, M., James Brown, R. & Prentice, G. Precursors and mediators of intergroup reconciliation in Northern Ireland: a new model. Br. J. Soc. Psychol. 47, 481–495 (2008).
Google Scholar
Harris, L. T. & Fiske, S. T. Dehumanizing the lowest of the low: neuroimaging responses to extreme out-groups. Psychol. Sci. 17, 847–853 (2006).
Google Scholar
Riek, B. M., Mania, E. W. & Gaertner, S. L. Intergroup threat and outgroup attitudes: a meta-analytic review. Personal. Soc. Psychol. Rev. 10, 336–353 (2006).
Google Scholar
Voelkel, J. G. et al. Interventions reducing affective polarization do not necessarily improve anti-democratic attitudes. Nat. Hum. Behav. 7, 55–64 (2023).
Google Scholar
Pettigrew, T. F. The emergence of contextual social psychology. Pers. Soc. Psychol. Bull. 44, 963–971 (2018). This paper calls for an empirical approach to systematically examine the impact of social context in the field of social psychology.
Google Scholar
Pettigrew, T. F. & Hewstone, M. The single factor fallacy: implications of missing critical variables from an analysis of intergroup contact theory. Soc. Issues Policy Rev. 11, 8–37 (2017).
Google Scholar
Christ, O. et al. Contextual effect of positive intergroup contact on outgroup prejudice. Proc. Natl Acad. Sci. USA 111, 3996–4000 (2014).
Google Scholar
Čehajić-Clancy, S., Lindner, C., Gelfort, P., Elad-Strenger, J. & Kessler, T. Where you live matters more than who you know: context-level contact as a stronger predictor of post-war reconciliation than individual-level contact. Preprint at PsyArXiv (2023). This paper establishes the importance of social context for post-war reconciliation.
Halperin, E., Russell, A. G., Dweck, C. S. & Gross, J. J. Anger, hatred, and the quest for peace: anger can be constructive in the absence of hatred. J. Confl. Resolut. 55, 274–291 (2011).
Google Scholar
Cohen-Chen, S., Halperin, E., Crisp, R. J. & Gross, J. J. Hope in the Middle East: malleability beliefs, hope, and the willingness to compromise for peace. Soc. Psychol. Personal. Sci. 5, 67–75 (2014).
Google Scholar
Cohen-Chen, S., Crisp, R. J. & Halperin, E. A new appraisal-based framework underlying hope in conflict resolution. Emot. Rev. 9, 208–214 (2017).
Google Scholar
Paluck, E. L., Green, S. A. & Green, D. P. The contact hypothesis re-evaluated. Behav. Public. Policy 3, 129–158 (2019).
Google Scholar
Hässler, T. et al. Need satisfaction in intergroup contact: a multinational study of pathways toward social change. J. Pers. Soc. Psychol. 122, 634 (2022).
Google Scholar
Hakim, N. et al. Turning the lens in the study of precarity: on experimental social psychology’s acquiescence to the settler–colonial status quo in historic Palestine. Br. J. Soc. Psychol. 62, 21–38 (2023).
Google Scholar
Dovidio, J. F. et al. in The Social Psychology of Intergroup Reconciliation (eds Nadler, A., Malloy, T. E. & Fisher, J. D.) 227–253 (Oxford Univ. Press, 2008).
Wagner, U., Christ, O., Pettigrew, T. F., Stellmacher, J. & Wolf, C. Prejudice and minority proportion: contact instead of threat effects. Soc. Psychol. Q. 69, 380–390 (2006).
Google Scholar
Binder, J. et al. Does contact reduce prejudice or does prejudice reduce contact? A longitudinal test of the contact hypothesis among majority and minority groups in three European countries. J. Pers. Soc. Psychol. 96, 843–856 (2009).
Google Scholar
Tropp, L. R. Perceived discrimination and interracial contact: predicting interracial closeness among black and white Americans. Soc. Psychol. Q. 70, 70–81 (2007).
Google Scholar
Bruneau, E. G. & Saxe, R. The power of being heard: the benefits of ‘perspective-giving’ in the context of intergroup conflict. J. Exp. Soc. Psychol. 48, 855–866 (2012).
Google Scholar
Pratto, F. & Stewart, A. L. Power dynamics in intergroup relations. Curr. Opin. Psychol. 33, 250–255 (2020).
Google Scholar
Knowles, E. D., Lowery, B. S., Chow, R. M. & Unzueta, M. M. Deny, distance, or dismantle? How white Americans manage a privileged identity. Perspect. Psychol. Sci. 9, 594–609 (2014).
Google Scholar
Shuman, E., Saguy, T., van Zomeren, M. & Halperin, E. Disrupting the system constructively: testing the effectiveness of nonnormative nonviolent collective action. J. Pers. Soc. Psychol. 121, 819–841 (2021).
Google Scholar
Hässler, T., Shnabel, N., Ullrich, J., Arditti-Vogel, A. & SimanTov-Nachlieli, I. Individual differences in system justification predict power and morality-related needs in advantaged and disadvantaged groups in response to group disparity. Group. Process. Intergroup Relat. 22, 746–766 (2019).
Google Scholar
Kahalon, R., Shnabel, N., Halabi, S. & SimanTov‐Nachlieli, I. Power matters: the role of power and morality needs in competitive victimhood among advantaged and disadvantaged groups. Br. J. Soc. Psychol. 58, 452–472 (2019).
Google Scholar
Sharvit, K., Brambilla, M., Babush, M. & Colucci, F. P. To feel or not to feel when my group harms others? the regulation of collective guilt as motivated reasoning. Pers. Soc. Psychol. Bull. 41, 1223–1235 (2015).
Google Scholar
Blanchard, F. A., Lilly, T. & Vaughn, L. A. Reducing the expression of racial prejudice. Psychol. Sci. 2, 101–105 (1991).
Google Scholar
Kelman, H. C. in The Social Psychology of Intergroup Reconciliation (eds Nadler, A., Malloy, T. E. & Fisher, J. D.) 15–32 (Oxford Univ. Press, 2008).
Crocker, J., Garcia, J. A. & Nuer, N. in The Social Psychology of Intergroup Reconciliation (eds Nadler, A., Malloy, T. E. & Fisher, J. D.) 171–194 (Oxford Univ. Press, 2008).
Sherif, M. The Psychology of Social Norms (Harper, 1936).
Saguy, T. & Reifen-Tagar, M. The social psychological roots of violent intergroup conflict. Nat. Rev. Psychol. 1, 577–589 (2022).
Google Scholar
Mackie, D. M. & Smith, E. R. Intergroup relations: insights from a theoretically integrative approach. Psychol. Rev. 105, 499 (1998).
Google Scholar
Yzerbyt, V. & Demoulin, S. in Handbook of Social Psychology 5th edn (eds Fiske, S. T., Gilbert, D. T. & Lindzey, G.) 1024–1083 (John Wiley & Sons, 2010).
Mironova, V. & Whitt, S. Social norms after conflict exposure and victimization by violence: experimental evidence from Kosovo. Br. J. Polit. Sci. 48, 749–765 (2018).
Google Scholar
Sharvit, K., Bar-Tal, D., Raviv, A., Raviv, A. & Gurevich, R. Ideological orientation and social context as moderators of the effect of terrorism: the case of Israeli-Jewish public opinion regarding peace. Eur. J. Soc. Psychol. 40, 105–121 (2009).
Google Scholar
Moore-Berg, S. L., Hameiri, B. & Bruneau, E. The prime psychological suspects of toxic political polarization. Curr. Opin. Behav. Sci. 34, 199–204 (2020).
Google Scholar
Pasek, M. H., Ankori-Karlinsky, L.-O., Levy-Vene, A. & Moore-Berg, S. L. Misperceptions about out-partisans’ democratic values may erode democracy. Sci. Rep. 12, 16284 (2022).
Google Scholar
Moore-Berg, S. L. in Psychological Intergroup Interventions (Sherman, D. K, Gibbs, W. C. & Binning, K. R.) 136–148 (Routledge, 2024).
Kruglanski, A. W. The Psychology of Closed Mindedness (Psychology Press, 2013).
Bar-Tal, D. & Halperin, E. in Intergroup Conflicts and their Resolution: A Social Psychological Perspective (ed. Bar-Tal, D.) 217–239 (Psychology Press, 2011).
Ross, L. & Ward, A. Psychological barriers to dispute resolution. In Advances in Experimental Social Psychology Vol. 27, 255–304 (Elsevier, 1995).
Schwartz, S. H. et al. Refining the theory of basic individual values. J. Pers. Soc. Psychol. 103, 663 (2012).
Google Scholar
Nasie, M., Bar-Tal, D., Pliskin, R., Nahhas, E. & Halperin, E. Overcoming the barrier of narrative adherence in conflicts through awareness of the psychological bias of naïve realism. Pers. Soc. Psychol. Bull. 40, 1543–1556 (2014).
Google Scholar
Porat, R., Halperin, E. & Tamir, M. What we want is what we get: group-based emotional preferences and conflict resolution. J. Pers. Soc. Psychol. 110, 167–190 (2016).
Google Scholar
Hasson, Y. et al. The enemy’s gaze: immersive virtual environments enhance peace promoting attitudes and emotions in violent intergroup conflicts. PLoS One 14, e0222342 (2019).
Google Scholar
Porat, R., Tamir, M. & Halperin, E. Group-based emotion regulation: a motivated approach. Emotion 20, 16–20 (2020).
Google Scholar
Čehajić-Clancy, S., Jamshed, N., Olsson. A. & Momčilović, A. From inspiration to restoration: moral elevation as a catalyst for improving intergroup relations in contexts of conflict. J. Person. Social Psychol. (in the press).
De La Sablonnière, R. et al. The impact of national integration policies on prejudice and psychological well‐being: the fundamental role of the clarity and coherence of integration policies. Eur. J. Soc. Psychol. 50, 614–633 (2020).
Google Scholar
Schlueter, E., Meuleman, B. & Davidov, E. Immigrant integration policies and perceived group threat: a multilevel study of 27 western and eastern European countries. Soc. Sci. Res. 42, 670–682 (2013).
Google Scholar
Idan, O., Halperin, E., Hameiri, B. & Reifen Tagar, M. A rose by any other name? A subtle linguistic cue impacts anger and corresponding policy support in intractable conflict. Psychol. Sci. 29, 972–983 (2018).
Google Scholar
Lowe, M. Types of contact: a field experiment on collaborative and adversarial caste integration. Am. Econ. Rev. 111, 1807–1844 (2021).
Google Scholar
Scacco, A. & Warren, S. S. Can social contact reduce prejudice and discrimination? Evidence from a field experiment in Nigeria. Am. Polit. Sci. Rev. 112, 654–677 (2018).
Google Scholar
Munger, K. Tweetment effects on the tweeted: experimentally reducing racist harassment. Polit. Behav. 39, 629–649 (2017).
Google Scholar
Cialdini, R. B., Reno, R. R. & Kallgren, C. A. A focus theory of normative conduct: recycling the concept of norms to reduce littering in public places. J. Pers. Soc. Psychol. 58, 1015–1026 (1990).
Google Scholar
Goldstein, N. J., Cialdini, R. B. & Griskevicius, V. A room with a viewpoint: using social norms to motivate environmental conservation in hotels. J. Consum. Res. 35, 472–482 (2008).
Google Scholar
Paluck, E. L., Shepherd, H. & Aronow, P. M. Changing climates of conflict: a social network experiment in 56 schools. Proc. Natl Acad. Sci. USA 113, 566–571 (2016).
Google Scholar
Mertens, S., Herberz, M., Hahnel, U. J. J. & Brosch, T. The effectiveness of nudging: a meta-analysis of choice architecture interventions across behavioral domains. Proc. Natl Acad. Sci. USA 119, e2107346118 (2022).
Google Scholar
Cialdini, R. B. & Goldstein, N. J. Social influence: compliance and conformity. Annu. Rev. Psychol. 55, 591–621 (2004).
Google Scholar
Epley, N., Caruso, E. M. & Bazerman, M. H. When perspective taking increases taking: reactive egoism in social interaction. J. Pers. Soc. Psychol. 91, 872–889 (2006).
Google Scholar
Okimoto, T. G. & Wenzel, M. The other side of perspective taking: transgression ambiguity and victims’ revenge against their offender. Soc. Psychol. Personal. Sci. 2, 373–378 (2011).
Google Scholar
Vorauer, J. D. & Sasaki, S. J. Helpful only in the abstract?: ironic effects of empathy in intergroup interaction. Psychol. Sci. 20, 191–197 (2009).
Google Scholar
Borinca, I., Andrighetto, L., Valsecchi, G. & Berent, J. Ingroup norms shape understanding of outgroup prosocial behaviors. Group. Process. Intergroup Relat. 25, 1084–1106 (2022).
Google Scholar
Moran, D. & Taylor, L. K. Outgroup prosocial behaviour among children and adolescents in conflict settings. Curr. Opin. Psychol. 44, 69–73 (2022).
Google Scholar
Paluck, E. L. Is it better not to talk? Group polarization, extended contact, and perspective taking in Eastern Democratic Republic of Congo. Pers. Soc. Psychol. Bull. 36, 1170–1185 (2010).
Google Scholar
Hogg, M. A. & van Knippenberg, D. in Advances in Experimental Social Psychology Vol. 35 (ed. Zanna, M. P.) 1–52 (Elsevier, 2003).
Paluck, E. L. & Shepherd, H. The salience of social referents: a field experiment on collective norms and harassment behavior in a school social network. J. Pers. Soc. Psychol. 103, 899 (2012).
Google Scholar
Abrams, D., Wetherell, M., Cochrane, S., Hogg, M. A. & Turner, J. C. Knowing what to think by knowing who you are: self‐categorization and the nature of norm formation, conformity and group polarization. Br. J. Soc. Psychol. 29, 97–119 (1990).
Google Scholar
Terry, D. J. & Hogg, M. A. Group norms and the attitude–behavior relationship: a role for group identification. Pers. Soc. Psychol. Bull. 22, 776–793 (1996).
Google Scholar
Crandall, C. S. & Eshleman, A. A justification–suppression model of the expression and experience of prejudice. Psychol. Bull. 129, 414 (2003).
Google Scholar
Crandall, C. S., Eshleman, A. & O’brien, L. Social norms and the expression and suppression of prejudice: the struggle for internalization. J. Pers. Soc. Psychol. 82, 359–378 (2002).
Google Scholar
Durrheim, K., Quayle, M. & Dixon, J. The struggle for the nature of “prejudice”: “prejudice” expression as identity performance. Polit. Psychol. 37, 17–35 (2016).
Google Scholar
Pinus, M. et al. Emotion regulation contagion. Preprint at OSF Preprints (2023).
Villamil, F. & Balcells, L. Do TJ policies cause backlash? Evidence from street name changes in Spain. Res. Polit. 8, 205316802110585 (2021).
Google Scholar
Bilewicz, M. The dark side of emotion regulation: historical defensiveness as an obstacle in reconciliation. Psychol. Inq. 27, 89–95 (2016).
Google Scholar
Psaltis, C., Carretero, M. & Čehajić-Clancy, S. (eds.) History Education and Conflict Transformation: Social Psychological Theories, History Teaching and Reconciliation (Springer Nature, 2017).
Janković, A. & Čehajić-Clancy, S. The power of the media on peace and reconciliation processes: representing former enemy groups as moral versus immoral matters. J. Pacif. Rim Psychol. 15, 183449092110025 (2021).
Google Scholar
Weiss, C. M., Ran, S. & Halperin, E. Educating for inclusion: diversity education programs can reduce prejudice toward outgroups in Israel. Proc. Natl Acad. Sci. USA 120, e2218621120 (2023). This paper demonstrates the long-term impact of interventions implemented in the field of education using field experiments.
Google Scholar
Bruneau, E., Casas, A., Hameiri, B. & Kteily, N. Exposure to a media intervention helps promote support for peace in Colombia. Nat. Hum. Behav. 6, 847–857 (2022).
Google Scholar
Casas, A. & Hameiri, B. Giving peace a chance: lessons from translational research in Colombia. Peace Confl. J. Peace Psychol. 28, 284–291 (2022).
Google Scholar
Murrar, S. & Brauer, M. Overcoming resistance to change: using narratives to create more positive intergroup attitudes. Curr. Dir. Psychol. Sci. 28, 164–169 (2019).
Google Scholar
Tropp, L. R. in The Social Psychology of Intractable Conflicts Vol. 27 (eds Halperin, E. & Sharvit, K.) 159–171 (Springer, 2015).
Weiss, C. M. Diversity in health care institutions reduces Israeli patients’ prejudice toward Arabs. Proc. Natl Acad. Sci. USA 118, e2022634118 (2021).
Google Scholar
Schumann, K. An affirmed self and a better apology: the effect of self-affirmation on transgressors’ responses to victims. J. Exp. Soc. Psychol. 54, 89–96 (2014).
Google Scholar
Beneda, M., Witkowska, M., Khachatryan, N., Grigoryan, N. & Bilewicz, M. Change in perceived outgroup morality increases forgiveness in post-genocide settings — study of the moral exemplars. TPM — Test. Psychom. Methodol. Appl. Psychol. 25, 193–212 (2018).
Voelkel, J. G., Ren, D. & Brandt, M. J. Inclusion reduces political prejudice. J. Exp. Soc. Psychol. 95, 104149 (2021).
Google Scholar
Moss, S. M., Uluğ, Ö. M. & Acar, Y. G. Doing research in conflict contexts: practical and ethical challenges for researchers when conducting fieldwork. Peace Confl. J. Peace Psychol. 25, 86–99 (2019).
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