Publications
BOOKS & EDITED VOLUMES
Okamoto, D. G., Tropp, L. R., Marrow, H. B., & Jones-Correa, M. (in preparation). Encountering diversity: Blacks, Whites, and Immigrants in Segregated Cities. New York: Russell Sage Foundation.
Tropp, L. R. (Ed.) (2018). Making research matter: A psychologist’s guide to public engagement. Washington D.C.: APA Books.
https://www.apa.org/pubs/books/4317468
Tropp, L. R. (Ed.) (2012). Oxford handbook of intergroup conflict. Oxford: Oxford University Press.
https://www.oxfordhandbooks.com/view/10.1093/oxfordhb/9780199747672.001.0001/oxfordhb-9780199747672
Pettigrew, T. F., & Tropp, L. R. (2011). When groups meet: The dynamics of intergroup contact. New York: Psychology Press.
Tropp, L. R., & Mallett, R. (Eds.) (2011). Moving beyond prejudice reduction: Pathways to positive intergroup relations. Washington DC: American Psychological Association.
https://www.apa.org/pubs/books/4316127
Wagner, U., Tropp, L. R., Finchilescu, G., & Tredoux, C. (Eds.) (2008). Improving intergroup relations: Building on the Legacy of Thomas F. Pettigrew. Malden, MA: Wiley-Blackwell.
JOURNAL PUBLICATIONS
Knowles, E. D., Tropp, L. R., & Mogami, M. (in press). Whites construing “non-Whites” as a
group: Growing beliefs in minority collusion and White identity politics in the United States.
Group Processes and Intergroup Relations.
Uluğ, Ö. M., Chayinska, M., & Tropp, L. R. (in press). Conceptual, methodological and contextual
challenges in studying collective action: Recommendations for future research. Testing, Psychometrics, Methodology in Applied Psychology.
Borinca, I., Tropp, L.R., & Ofosu, N. (2021). Meta-humanization enhances positive reactions to
prosocial cross-group interaction. British Journal of Social Psychology. PDF
Paolini, S., White, F. A., Tropp, L. R., Turner, R. N., Page-Gould, E., Barlow, F. K., & Gómez, A. (2021).
Intergroup contact research in the 21st century: Lessons learned and forward progress if we remain
open. Journal of Social Issues, 77, 11-37. PDF
Tropp, L. R. (2021). Crossing to safety: Attachment processes in intergroup contact. Journal of Social
Issues, 77, 86-104. PDF
Uluğ, Ö. M., & Tropp, L. R. (2021). How witnessing racialized incidents shapes willingness to stand
up for racial justice: Enhancing awareness of inequality among members of advantaged racial
groups. Journal of Applied Social Psychology, 51, 248-261. PDF
Tropp, L. R., Uluğ, Ö. M., & Uysal, M. S. (2021). How intergroup contact and communication about group differences predict collective action intentions among advantaged groups. International Journal of Intercultural Relations, 80, 7-16. PDF
Schalet, A. T., Tropp, L. R., & Troy, L. M. (2020). Making research usable beyond academic circles: A relational model of public engagement. Analyses of Social Issues and Public Policy, 20, 336-356. PDF
Bruneau, E., Szekeres, H., Kteily, N., Tropp, L. R., & Kende, A. (2020). Beyond dislike: Dehumanization (not prejudice) predicts teacher discrimination against minority students. Group Processes and Intergroup Relations, 23(4), 560-577. PDF
Okamoto, D. G., Tropp, L. R., Marrow, H. B., & Jones-Correa, M. (2020). Feeling welcomed: A pathway toward immigrants’ social integration and participation in civic life. Annals of the American Academy of Political and Social Science, 690(1), 61-81. PDF
Jaremka, L. M., Ackerman, J. M., Gawronski, B., Rule, N. O., Sweeny, K., Tropp, L. R., Metz, M. A., Molina, L., Ryan, W.S., & Vick, S.B. (2020). Common academic experiences no one talks about: Repeated rejection, impostor syndrome, and burnout. Perspectives on Psychological Science, 15(3), 519-543. PDF
Hassler, T., Ullrich, J., Bernardino, M., Shnabel, N., Van Laar, C., Valdenegro, D., Sebben, S., Tropp, L. R., Visintin, E. P., Gonzalez, R., Ditlmann, R., Abrams, D., et al. (2020). A large-scale test of the link between intergroup contact and support for social change. Nature Human Behavior. PDF
Stathi, S., Vezzali, L., Di Bernardo, G., Pendleton, S., & Tropp, L. R. (2020). Do they want contact with us? The role of intergroup contact meta-perceptions on positive contact and attitudes. Journal of Community and Applied Social Psychology. PDF
Tropp, L. R. (2019). Adaptation to diversity: Individual and societal processes. Invited commentary, Proceedings of the National Academy of Sciences, 116 (25), 12131-12133. PDF
Tropp, L. R., & Uluğ, O. M. (2019). Are white women showing up for racial justice? Intergroup contact, closeness to people targeted by prejudice, and collective action. Psychology of Women Quarterly, 43, 335-347. PDF
Marrow, H., Tropp, L. R., van der Linden, M., Okamoto, D., & Jones-Correa, M. (2019). How does inter-racial contact among the U.S.-born shape White and Black receptivity toward immigrants? Du Bois Review, pp. 385-416. PDF
Grutter, J., & Tropp, L. R. (2019). How friendship is defined matters for predicting intergroup attitudes: Shared activities and mutual trust with cross-ethnic peers during late childhood and early adolescence. International Journal of Behavioral Development, 43, 128-135. PDF
Hassler, T., Gonzalez, R., Lay, S., Lickel, B., Zagefka, H., Brown, R., Tropp, L. R., Manzi, J., & Bernardino, M. (2019). With a little help from our friends: The impact of cross-group friendship on acculturation preferences. European Journal of Social Psychology, 49, 366-384. PDF
Kotzur, P. F., Tropp, L. R., & Wagner, U. (2018). Welcoming the unwelcome: How contact shapes contexts of reception for new immigrants in Germany and the United States. Journal of Social Issues, 74, 812-832. PDF
Tropp, L. R., & Barlow, F. K. (2018). Making advantaged racial groups care about racial inequality: Intergroup contact as a route to psychological investment. Current Directions in Psychological Science, 27, 194-199. PDF
Jones-Correa, M., Marrow, H., Okamoto, D., & Tropp, L. R. (2018). Immigrant perceptions of U.S.-born receptivity and the shaping of American identity. Russell Sage Foundation Journal of the Social Sciences, 4, 47-80. PDF
Tropp, L. R., Okamoto, D. G., Marrow, H. B., & Jones-Correa, M. (2018). How contact experiences shape welcoming: Perspectives from U.S.-born and immigrant groups. Social Psychology Quarterly, 81, 23-47. PDF
Knowles, E. & Tropp, L. R. (2018). The racial and economic context of Trump support: Evidence for threat, identity, and contact effects in the 2016 Presidential Election. Social Psychological and Personality Science, 9, 275-284. PDF
Gómez, A., Tropp, L. R., Vazquez, A., Voci, A., & Hewstone, M. (2018). Depersonalized extended contact and injunctive norms about cross-group friendship impact intergroup orientations. Journal of Experimental Social Psychology, 76, 356-370. PDF
Hayward, L. E., Tropp, L. R., Hornsey, M. J., & Barlow, F. K. (2018). Negative (but not positive) contact with Whites directly predicts collective action among racial and ethnic minorities. British Journal of Social Psychology, 57, 1-20. PDF
Orosz, G., Bruneau, E., Tropp, L. R., Sebestyen, N., Toth-Kiraly, I., & Bothe, B. (2018). What predicts anti-Roma prejudice? Qualitative and quantitative analysis of everyday sentiments about the Roma. Journal of Applied Social Psychology, 48, 317-328. PDF
Selvanathan, H., Techakesari, P., Tropp, L. R., & Barlow, F. K. (2018). Whites for racial justice: How contact with Blacks predicts Whites’ collective action. Group Processes and Intergroup Relations, 21, 893-912. PDF
O’Brien, T. C., Leidner, B., & Tropp, L. R. (2018). Are they for us or against us? How intergroup metaperceptions shape foreign policy attitudes. Group Processes and Intergroup Relations, 21, 941-961. PDF
Hayward, L. E., Hornsey, M. J., Tropp, L. R., & Barlow, F. K. (2017). Positive and negative intergroup contact predict White and Black Americans’ judgments about police violence against Black Americans. Journal of Applied Social Psychology, 47, 605-615. PDF
Hayward, L., Tropp, L. R., Hornsey, M., & Barlow, F. (2017). Toward a comprehensive understanding of intergroup contact: Descriptions and mediators of positive and negative contact among majority and minority groups. Personality and Social Psychology Bulletin, 43, 347-364. PDF
Tropp, L. R., Hawi, D., O’Brien, T. C., Gheorghiu, M., Zetes, A., & Butz, D. (2017). Intergroup contact and the potential for post-conflict reconciliation: Studies in South Africa and Northern Ireland. Peace and Conflict: Journal of Peace Psychology, 23, 239-249. PDF
Kende, A., Tropp, L. R., & Lantos, N. (2017). Testing a contact intervention based on intergroup friendship between Roma and non‐Roma Hungarians: Reducing bias through institutional support in a non‐supportive societal context. Journal of Applied Social Psychology, 47, 47-55. PDF
Wright, S. C., Tropp, L. R., & Mazziotta, A. (2017). Contact between groups, peace, and conflict. Peace and Conflict: Journal of Peace Psychology, 23, 207-209. PDF
Wright, S. C., Mazziotta, A., & Tropp, L. R. (2017). Contact and intergroup conflict: New ideas for the road ahead. Peace and Conflict: Journal of Peace Psychology, 23, 317-327. PDF
Gonzalez, R., Lickel, B., Gupta, M., Tropp, L. R., Luengo, B. P., Mora, E., de Tezanos Pinto, P., Berger, C., Valdenegro, D., Cayul, O., Miranda, D., Saavedra, P., & Bernardino, M. (2017). Ethnic identity development and acculturation preferences among minority and majority youth. Child Development, 88, 743-760. PDF
Tropp, L. R., O’Brien, T. C., Gonzalez, R., Valdenegro, D., Migacheva, K., de Tezanos Pinto, P., Berger, C., & Cayul, O. (2016). Predicting interethnic experiences among ethnic minority and majority youth: The roles of perceived peer norms, school norms, and discrimination. Child Development, 87, 1436-1451. PDF
Orosz, G., Banki, E., Bothel, B., Toth-Kiraly, & Tropp, L. R. (2016). Don't judge a living book by its cover: Effectiveness of the Living Library intervention in reducing prejudice toward Roma and LGBT people. Journal of Applied Social Psychology, 46, 510-517. PDF
Vollhardt, J. R., Nair, R., & Tropp, L. R. (2016). Predicting support for refugees and immigrants among minority groups: The role of inclusive victim consciousness. Journal of Applied Social Psychology, 46, 354-368. PDF
Molina, L. E., Tropp, L. R., & Goode, C. (2016). Reflections on intergroup relations. Current Opinion in Psychology, 11, 120-124. PDF
Tropp, L. R., O’Brien, T., & Migacheva, K. (2014). How peer norms of inclusion and exclusion predict children’s interest in cross-ethnic friendships. Journal of Social Issues, 70, 151-166. PDF
Migacheva, K., & Tropp, L. R. (2013). Learning orientation as a predictor of positive intergroup contact. Group Processes and Intergroup Relations, 16, 426-444. PDF
Leidner, B., Tropp, L. R., & Lickel, B. (2013). Bringing science to bear – on peace, not war: Elaborating on psychology’s potential to promote peace. American Psychologist, 68, 514-526. PDF
Tropp, L. R., Hawi, D., Van Laar, C., & Levin, S. (2012). Cross-ethnic friendships, perceived discrimination and their effects on ethnic activism over time: A longitudinal investigation of three ethnic minority groups. British Journal of Social Psychology, 51, 257-272. PDF
Aboud, F., Tredoux, C., Tropp, L. R., Brown, C., Niens, U., & Noor, N. (2012). Interventions to reduce prejudice and enhance inclusion and respect for ethnic differences in early childhood: A systematic review. Developmental Review, 32, 307-336. PDF
Christ, O., Hewstone, M., Tropp, L. R., & Wagner, U. (2012). Dynamic processes in intergroup contact. British Journal of Social Psychology, 51, 219-220. PDF
Cronin, T. J., Levin, S., Branscombe, N., Van Laar, C., & Tropp, L. R. (2012). Ethnic identification in response to perceived discrimination protects well-being and promotes activism: A longitudinal study of Latino college students. Group Processes and Intergroup Relations, 15, 393-407. PDF
Bilali, R., Tropp, L. R., & Dasgupta, N. (2012). Attributions of responsibility and perceived harm in the aftermath of mass violence. Peace and Conflict: Journal of Peace Psychology, 18, 21-38. PDF
Gómez, A., Tropp, L. R., & Fernandez, S. (2011). When extended contact opens the door to future contact: Testing the effects of extended contact on intergroup attitudes and expectancies among minority and majority groups. Group Processes and Intergroup Relations, 14, 161-173. PDF
Davies, K., Tropp, L. R., Aron, A., Pettigrew, T. F., & Wright, S. C. (2011). Cross-group friendships and intergroup attitudes: A meta-analytic review. Personality and Social Psychology Review, 15, 332-351. PDF
Adesokan, A., van Dick, R., Ullrich, J., & Tropp, L. R. (2011). Diversity beliefs as moderator of the contact-prejudice relationship. Social Psychology, 271-278. PDF
Pettigrew, T. F., Tropp, L. R., Wagner, U., & Christ, O. (2011). Recent advances in intergroup contact theory. International Journal of Intercultural Relations, 35, 271-280. PDF
Dixon, J., Tropp, L. R., Durrheim, K., & Tredoux, C. (2010). ‘Let them eat harmony’: Prejudice reduction strategies and attitudes of historically disadvantaged groups. Current Directions in Psychological Science, 19, 76-80. PDF
Dixon, J., Tredoux, C., Durrheim, K., Tropp, L. R., Eaton, L., & Clack, B. (2010). Challenging the stubborn core of opposition to equality: Racial contact and policy attitudes. Political Psychology, 31, 831-855. PDF
Dixon, J., Durrheim, K., Tredoux, C., Tropp, L. R., Clack, B., & Eaton, L. (2010). A paradox of integration? Interracial contact, prejudice reduction, and blacks’ perceptions of racial discrimination. Journal of Social Issues, 66, 401-416. PDF
Page-Gould, E., Mendoza-Denton, R., & Tropp, L. R. (2008). With a little help from my cross-group friend: Reducing anxiety in intergroup contexts through cross-group friendship. Journal of Personality and Social Psychology, 95, 1080-1094. PDF
Pettigrew, T. F., & Tropp, L. R. (2008). How does intergroup contact reduce prejudice? Meta-analytic tests of three mediators. European Journal of Social Psychology, 38, 922-934. PDF
Tropp, L. R., Smith, A. E., & Crosby, F. J. (2007). The use of research in the Seattle and Jefferson County desegregation cases: Connecting social science and the law. Analyses of Social Issues and Public Policy, 7, 93-120. PDF
Tropp, L. R. (2007). Perceived discrimination and interracial contact: Predicting interracial closeness among Black and White Americans. Social Psychology Quarterly, 70, 70-81. PDF
Tropp, L. R., & Bianchi, R. A. (2007). Interpreting references to group membership in context: Feelings about intergroup contact depending on who says what to whom. European Journal of Social Psychology, 37, 153-170. PDF
Méndez, E., Gómez, A., & Tropp, L. R. (2007). When metaperceptions are affected by intergroup processes. International Journal of Psychology and Psychological Therapy, 7, 237-250. PDF
Tropp, L. R., & Bianchi, R. A. (2006). Valuing diversity and intergroup contact. Journal of Social Issues, 62, 533-551. PDF
Frey, F. E., & Tropp, L. R. (2006). Being seen as individuals versus as group members: Extending research on metaperception to intergroup contexts. Personality and Social Psychology Review, 10, 265-280. PDF
Pettigrew, T. F., & Tropp, L. R. (2006). A meta-analytic test of intergroup contact theory. Journal of Personality and Social Psychology, 90, 751-783. (note: authors are listed alphabetically and contributed equally) PDF
Nagda, B. A., Tropp, L. R., & Paluck, E. L. (2006). Looking back as we look forward: Integrating research, theory, and practice on intergroup relations. Journal of Social Issues, 62, 439-451. PDF
Tropp, L. R., Stout, A. M., Boatswain, C., Wright, S. C., & Pettigrew, T. F. (2006). Trust and acceptance in response to references to group membership: Minority and majority perspectives on cross-group interactions. Journal of Applied Social Psychology, 36, 769-794. PDF
Tropp, L. R., & Pettigrew, T. F. (2005). Relationships between intergroup contact and prejudice among minority and majority status groups. Psychological Science, 16, 951-957. PDF
Tropp, L. R., & Pettigrew, T. F. (2005). Differential relationships between intergroup contact and affective and cognitive indicators of prejudice. Personality and Social Psychology Bulletin, 31, 1145-1158. PDF
Wright, S. C., & Tropp, L. R. (2005). Language and intergroup contact: Investigating the impact of bilingual instruction on children’s intergroup attitudes. Group Processes and Intergroup Relations, special issue on Language, Communication, and Intergroup Relations, 8, 309-328. PDF
Tropp, L. R., & Brown, A. C. (2004). What benefits the group can also benefit the individual: Group-enhancing and individual-enhancing motives for collective action. Group Processes and Intergroup Relations, 7, 267-282. PDF
Mastro, D., & Tropp, L. R. (2004). The effects of interracial contact, attitudes, and stereotypical portrayals on evaluations of Black television sitcom characters. Communication Research Reports, 21, 119-129. PDF
Tropp, L. R. (2003). The psychological impact of prejudice: Implications for intergroup contact. Group Processes and Intergroup Relations, 6, 131-149. PDF
Tropp, L. R., & Wright, S. C. (2003). Evaluations and perceptions of self, ingroup, and outgroup: Comparisons between Mexican American and European American children. Self and Identity, 2, 203-221. PDF
Tropp, L. R., & Wright, S. C. (2001). Ingroup identification as the inclusion of ingroup in the self. Personality and Social Psychology Bulletin, 27, 585-600. PDF
Tropp, L. R., & Wright, S. C. (1999). Ingroup identification and relative deprivation: An examination across multiple social comparisons. European Journal of Social Psychology, 29, 707-724. PDF
Tropp, L. R., Erkut, S., Alarcón, O., García Coll, C., & Vázquez García, H. (1999). Psychological acculturation: Development of a new measure for Puerto Ricans on the U. S. mainland. Educational and Psychological Measurement, 59 (2), 351-367. PDF
Erkut, S., Alarcón, O., García Coll, C., Tropp, L. R., & Vázquez García, H. (1999). The dual-focus approach to creating bilingual measures. Journal of Cross-Cultural Psychology, 30 (2), 206-216. PDF
BOOK CHAPTERS
Dehrone, T., Burrows, B., Tropp, L. R., Bilali, R., & Morrisson, G. (in press). Twubakane: Contact-based programs to strengthen social cohesion in post-genocide Rwanda. To appear in A. Nordstrom & W. Goodfriend (Eds.), Innovative Stigma and Discrimination Reduction Programs. New York: Taylor & Francis.
Maddox, K. B., Crittle, C. S., Sommers, S. R., & Tropp, L. R. (2020). Confronting conflicting attitudes about racial bias in the United States: How communicator identities shape audience reception. To appear in Y. G. Acar, S. M. Moss, & O. M. Uluğ (Eds.), Researching peace, conflict, and power in the field: Methodological challenges and opportunities (pp. 85-102). Berlin: Springer.
Tropp, L. R., & Molina, L. (2019). Intergroup processes: From prejudice to positive relations between groups. In K. Deaux & M. Snyder (Eds.), Oxford handbook of personality and social psychology, 2nd edition (pp. 621-643). New York: Oxford University Press.
Tropp, L. R., & Al Ramiah, A. (2017). Contact strategies for improving intergroup relations among youth. In A. Rutland, D. Nesdale, & C. S. Brown (Eds.), Wiley-Blackwell Handbook of Group Processes in Children and Adolescents (pp. 353-372). Hoboken, NJ: Wiley and Sons.
O’Brien, T. C., & Tropp, L. R. (2017). Intergroup contact theory. In F. Moghaddam (Ed.), Sage Encyclopedia of Political Behavior. Thousand Oaks, CA: Sage.
Tropp, L. R., Mazziotta, A., & Wright, S. C. (2017). Recent developments in intergroup contact research: Affective processes, group status, and contact valence. In C. Sibley and F. K. Barlow (Eds.), Cambridge Handbook of the Psychology of Prejudice (pp. 463-480). Cambridge: Cambridge University Press.
Tropp, L. R. (2015). Dismantling the ethos of conflict: Strategies for improving intergroup relations. In E. Halperin & K. Sharvit (Eds.), The social psychology of intractable conflicts (pp. 159-171). New York: Springer.
O’Brien, T. C., & Tropp, L. R. (2015). Psychology: The phenomenology of human security: In P. Bourbeau (Ed.), Security: Dialogue across disciplines (pp. 137-155) Cambridge: Cambridge University Press.
Leidner, B, Tropp, L, & Lickel, B. (2015). Political psychology of groups. To appear in O. Feldman & S. Zmerli (Eds.), Politische Psychologie: Handbuch für Studium und Wissenschaft (Political Psychology: Handbook for Study and Science, pp. 236-252). Baden-Baden, Germany: Nomos Verlagsgesellschaft.
Tropp, L. R. (2015). Intergroup contact. In J. Bennett (Ed.), Sage Encyclopedia of Intercultural Competence (pp. 536-539). Thousand Oaks, CA: Sage.
Tropp, L. R., & Page-Gould, E. (2014). Contact between groups. In M. Mikulincer, P. R. Shaver, J. F. Dovidio & J. A.Simpson (Eds.), APA handbook of personality and social psychology, Volume 2: Group Processes (pp. 535-560). Washington DC: American Psychological Association.
Adams, M., Perry-Jenkins, M., & Tropp, L. R. (2014). Pedagogical tools for social justice and psychology. In C. Johnson, H. Friedman, J. Diaz, Z. Franco, & B. Nastasi (Eds.), Praeger handbook on social justice and psychology (pp. 227-247). Santa Barbara, CA: Praeger.
Saguy, T., Tropp, L. R., & Hawi, D. (2012). The role of group power in intergroup contact. In G. Hodson & M. Hewstone (Eds.), Advances in intergroup contact (pp. 113-131). New York: Psychology Press.
Tropp, L. R. (2012). Understanding and responding to intergroup conflict: Toward an integrated analysis. In L. R. Tropp (Ed.), Oxford handbook of intergroup conflict (pp. 3-10). New York: Oxford University Press.
Tropp, L. R., & Molina, L. (2012). Intergroup processes: From prejudice to positive relations between groups. In K. Deaux & M. Snyder (Eds.), Oxford handbook of personality and social psychology (pp. 545-570). New York: Oxford University Press.
Tropp, L. R. (2012). Intergroup contact theory. In D. Christie (Ed.), Encyclopedia of peace psychology (pp. 254-259). Hoboken, NJ: Wiley-Blackwell.
Tropp, L. R., & Mallett, R. K. (2011). Charting new pathways to positive intergroup relations. In L. R. Tropp & R. K. Mallett (Eds.), Moving beyond prejudice reduction: Pathways to positive intergroup relations (pp. 3-17). Washington DC: American Psychological Association.
Migacheva, K., Tropp, L. R., & Crocker, J. (2011). Focusing beyond the self: Goal orientations in intergroup relations. In L. R. Tropp & R. Mallett (Eds.), Moving beyond prejudice reduction: Pathways to positive intergroup relations (pp. 99-115). Washington DC: American Psychological Association.
Tropp, L. R., & Pettigrew, T. F. (2009). Intergroup contact theory: Summarizing results from a meta-analytic review. In G. L. Carter (Ed.), Empirical approaches to sociology, 5th edition. Boston: Allyn & Bacon.
Tropp, L. R., & Kim, J. (2009). Ethnicity. In J. Levine & M. Hogg (Eds.), Sage Encyclopedia of Group Processes and Intergroup Relations.
Vollhardt, J., Migacheva, K., & Tropp, L. R. (2009). Social cohesion and tolerance for group differences. In J. De Rivera (Ed.), Handbook on building cultures of peace (pp. 139-152). New York: Springer.
Tropp, L. R. (2008). The role of trust in intergroup contact: Its significance and implications for improving relations between groups. In U. Wagner, L. R. Tropp, G. Finchilescu, & C. Tredoux (Eds.), Improving intergroup relations: Building on the legacy of Thomas F. Pettigrew (pp. 91-106). Malden, MA: Blackwell.
Tropp, L. R. & Prenovost, M. (2008). The role of intergroup contact in predicting interethnic attitudes: Evidence from meta-analytic and field studies. In S. Levy and M. Killen (Eds.), Intergroup attitudes and relations in childhood through adulthood (pp. 236-248). Oxford: Oxford University Press.
Tropp, L. R. (2007). Intergroup relations. In R. Baumeister and K. Vohs (Eds.), Encyclopedia of Social Psychology (pp. 494-495). Thousand Oaks, CA: Sage.
Pittinsky, T. L., Montoya, R. M., Tropp, L. R., & Chen, A. (2007). How and when leader behavior affects intergroup liking: Affect, approval, and allophilia. In C. Anderson, B. Mannix, & M. Neale (Eds.), Affect and Groups: Research on Managing Groups and Teams, Vol. 10 (pp. 125-144). San Diego: Elsevier.
Tropp, L. R. (2006). Stigma and intergroup contact among members of minority and majority status groups. In S. Levin & C. Van Laar (Eds.), Stigma and group inequality: Social psychological perspectives (pp. 171-191). Mahwah, NJ: Erlbaum.
Pettigrew, T. F., & Tropp, L. R. (2005). Allport’s intergroup contact hypothesis: Its history and influence. In J. F. Dovidio, P. Glick, and L. Rudman (Eds.), On The Nature of Prejudice: Fifty years after Allport (pp. 262-277). Malden, MA: Blackwell.
Tropp, L. R., & Pettigrew, T. F. (2004). Intergroup contact and the central role of affect in intergroup prejudice. In C. W. Leach & L. Tiedens (Eds.), The social life of emotion (pp. 246-269). Cambridge: Cambridge University Press.
Wright, S. C., & Tropp, L. R. (2002). Collective action in response to disadvantage: Intergroup perceptions, social identification, and social change. In I. Walker & H. Smith (Eds.), Relative deprivation: Specification, development, and integration (pp. 200-236). Cambridge: Cambridge University Press.
Wright, S. C., Aron, A., & Tropp, L. R. (2002). Including others (and their groups) in the self: Self-expansion theory and intergroup relations. In J. P. Forgas & K. D. Williams (Eds.), The social self: Cognitive, interpersonal, and intergroup perspectives (pp. 343-363). Philadelphia: Psychology Press.
Pettigrew, T. F., & Tropp, L. R. (2000). Does intergroup contact reduce prejudice? Recent meta-analytic findings. In S. Oskamp (Ed.), Reducing prejudice and discrimination: The Claremont Symposium on Applied Social Psychology (pp. 93-114). Mahwah, NJ: Erlbaum.