Prof. Dr. Ralf Wölfer 

Sozialwissenschaften

Ich bin promovierter Psychologe mit einem Forschungsfokus auf quantitativ-empirische Forschungsmethoden, Evaluationsforschung sowie Sozial- und Entwicklungspsychologie. Meine Forschungsinteressen umfassen die Erklärung und Verringerung von Vorurteilen, Diskriminierung, Intergruppenkonflikt, Aggression und Mobbing. 

Akademischer Lebenslauf

Seit 2022: Professor für Sozialpsychologie an der Hochschule des Bundes, Fachbereich Sozialversicherung, Berlin 
Seit 2020: Affiliated Senior Member, University of Oxford
2020 - 2022: Co-Leiter, Abteilung Konsens & Konflikt am DeZIM-Institut Berlin
2018 - 2019: Associate Professor (W2) of Social Psychology, University of Oxford;
Leiter des 'Oxford Social Development Lab';
Stellvertretender Direktor des Master-Studiengangs Psychologie;
2013 - 2018: Wissenschaftlicher Mitarbeiter, University of Oxford (Prof. Hewstone)
2011 - 2013: Wissenschaftlicher Mitarbeiter, Freie Universität Berlin (Prof. Scheithauer)
2008 - 2011: Wissenschaftlicher Mitarbeiter, Max-Planck-Institut für Bildungsforschung,
International Max Planck Research School, LIFE    Ich bin promovierter Psychologe mit einem Forschungsfokus auf quantitativ-empirische Forschungsmethoden, Evaluationsforschung sowie Sozial- und Entwicklungspsychologie. Meine Forschungsinteressen umfassen die Erklärung und Verringerung von Vorurteilen, Diskriminierung, Intergruppenkonflikt, Aggression und Mobbing. 

Publikationen:

Kempnich, M., Wölfer, R., Hewstone, M., & Dunbar, R. (in press). How the Size and Structure of Egocentric Networks Change During a Life Transition. Advances in Life Course Research. 

Wölfer, R., & Foroutan, N. (in press). Von Vielfalt überfordert? Pluralitätsabwehr, Stereotype und die Ablehnung des »Anderen«. In: Zajak, S., & Steinhilper, E. (Hrsg.). Konsens und Konflikt in der postmigrantischen Gesellschaft. Bielefeld: Transcript Verlag.

Wölfer, R., Shah, S., Klocke, U., Möncke, D., Römer, F. (in press). Alternativen zum Migrationshintergrund? Wie Expert*innen alternative Messansätze im Vergleich bewerten. In: Zajak, S., & Steinhilper, E. (Hrsg.). Konsens und Konflikt in der postmigrantischen Gesellschaft. Bielefeld: Transcript Verlag.

Friehs, M.-T., Bracegirdle, C., Reimer, N. K., Wölfer, R., Schmidt, P., Wagner, U., & Hewstone, M. (2024). The Between-Person and Within-Person Effects of Intergroup Contact on Outgroup Attitudes: A Multi-Context Examination. Social Psychological and Personality Science, 15, 125-141. doi: 10.1177/19485506231153017

Bracegirdle, C. Reimer, N. K., Osborne, D., Sibley, C., Wölfer, R., & Sengupta, N. K. (2023). Ingroup Socialization, Not Outgroup Contact, Shapes Perceived Discrimination in Ethnic Minority Groups. Journal of Personality and Social Psychology, 125, 571-589. doi: 10.1037/pspi0000426

Vezzali, L., Trifiletti, E., Wölfer, R., Di Bernardo, G. A., Stathi, S., Cocco, V. M., Cadamuro, A., Shamloo, S. E., & Hewstone, M. (2023). Sequential models of intergroup contact and social categorization: An experimental field test of integrated models. Group Processes & Intergroup Relations, 26, 1181-1204. doi: 10.1177/13684302221104921

Van Assche J., Swart H., Schmid K., Dhont K., Al Ramiah A., Christ O., Kauff M., Rothmann S., Savelkoul M., Tausch N., Wölfer R., Zahreddine S., Saleem M., Hewstone M. (2023). Intergroup contact is reliably associated with reduced prejudice, even in the face of group threat and discrimination. American Psychologist, 78, 761-774. doi: 10.1037/amp0001144.

Yemane, R. Arnu,H., Aithal, L., Rees, J., Veit, S., &  Wölfer, R. (2023). Solidarity with Everyone? Intergroup Helping and COVID-19. Journal of Community & Applied Social Psychology, 33, 1309-1326. doi: 10.1002/casp.2714

Bracegirdle, C., Reimer, N., van Zalk, M., Hewstone, M., & Wölfer, R. (2022). Disentangling contact and socialization effects on outgroup attitudes in diverse friendship networks. Journal of Personality and Social Psychology, 122, 1-15. doi: 10.1037/pspa0000240

Reimer, N., Hughes, J., Blaylock, D., Donnelly, C., Wölfer, R., & Hewstone, M. (2022). Shared Education as a Contact-Based Intervention to Improve Intergroup Relations Among Adolescents in Post-Conflict Northern Ireland. Developmental Psychology, 58, 193-208. doi: 10.1037/dev0001274

Scheithauer, H., Hess, M., Zarra-Nezhad, M., Peter, C., & Wölfer, R. (2022). Bringing Developmentally Appropriate Prevention of Behavioral Disorders into Everyday Child Care: The Papilio-3to6 Program. International Journal of Developmental Science, 16, 81-97. doi: 10.3233/DEV-220331

Wölfer, R., & Foroutan, N. (2022). Plurality resistance: Effects on intergroup relations and the mediating role of stereotypes. International Journal of Intercultural Relations, 87, 42-50. doi: doi.org/10.1016/j.ijintrel.2022.01.005

Kleyn, L., Hewstone, M., Ward, C., & Wölfer, R. (2021). Using longitudinal social network analysis to evaluate a community-wide parenting intervention. Prevention Science, 22, 130-143.

Reimer, N., Love, A., Wölfer, R., & Hewstone, M. (2021). Building social cohesion through intergroup contact: Evaluation of a large-scale intervention to improve intergroup relations among adolescents. Journal of Youth and Adolescence, 50, 1049-1067.

Birtel, M., Reimer, N., Wölfer, R., & Hewstone, M. (2020). Change in ethnic diversity and intergroup relations: The transition from segregated to mixed school. European Journal of Social Psychology, 50, 160-176. doi: 10.1002/ejsp.2609

Pfister, M., Wölfer, R., & Hewstone, M. (2020). Contact capacity and its effect on intergroup relations. Social Psychological and Personality Science, 11, 7-15.

Raabe, I., & Wölfer, R. (2019). What is going on around you: Peer milieus and educational aspirations. European Sociological Review, 35, 1-14. doi: 10.1093/esr/jcy048

Spiegler, O., Wölfer, R., & Hewstone, M. (2019). Dual identity development and adjustment in Muslim minority adolescents. Journal of Youth and Adolescence, 48, 1924-1937.

Wölfer, R., Caro, D. H., & Hewstone, M. (2019). Academic benefit of outgroup contact for immigrant and non-immigrant students. Group Processes and Intergroup Relations, 22, 419-433. doi: 10.1177/1368430218809882

Wölfer, R., Christ, O., Schmid, K., Tausch, N., Buchallik, F. M., Vertovec, S., & Hewstone, M. (2019). Indirect contact predicts direct contact: Longitudinal evidence and the mediating role of intergroup anxiety. Journal of Personality and Social Psychology, 116, 277-295. doi: 10.1037/pspi0000146

Zagorscak, P., Schultze-Krumbholz, A., Heinrich, M., Wölfer, R., & Scheithauer, H. (2019). Efficacy of cyberbullying prevention on somatic symptoms. Randomized controlled trial applying a reasoned action approach. Journal of Research on Adolescence, 29, 908-923. doi: 10.1111/jora.12429

Blaylock, D., Hughes, J., Wölfer, R., & Donnelly, C. (2018). Integrating Northern Ireland: Cross-group friendships in integrated and mixed schools. British Educational Research Journal, 44, 643-662. doi: 10.1002/berj.3452

Hewstone, M., Al Ramiah, A., Schmid, K., Floe, C., van Zalk, M., Wölfer, R., & New, R. (2018). Influence of segregation versus mixing: Intergroup contact and attitudes among White-British and Asian-British students in high schools in Oldham, England. Theory and Research in Education, 16, 179-203. doi: 10.1177/1477878518779879

Wölfer, R., & Hewstone, M. (2018). What buffers ethnic homophily? Explaining the development of outgroup contact in adolescence. Developmental Psychology, 54, 1507-1518. doi: 10.1037/dev0000547

Wölfer, R., Hewstone, M., & Jaspers, E. (2018). Social contact and interethnic attitudes: The importance of contact experiences in schools. In: Frank Kalter, Jan O. Jonsson, Frank van Tubergen, & Anthony F. Heath (Eds.). Growing up in Diverse Europe: The Integration of the Children of Immigrants in England, Germany, the Netherlands and Sweden (pp. 201-216). Oxford, UK: Oxford University Press.

Kauff, M., Wölfer, R., Hewstone, M. (2017). Impact of discrimination on health among adolescent immigrant minorities in Europe: The role of perceived discrimination by police and security personnel. Journal of Social Issues, 73, 831-851. doi: 10.1111/josi.12250

Schmid, K., Wölfer, R., Swart, H., Christ, O., Al Ramiah, A., Vertovec, S., & Hewstone, M. (2017). The ‘Wallpaper effect’ revisited: Divergent findings on the effects of intergroup contact on attitudes in diverse vs. non-diverse settings. Personality and Social Psychology Bulletin, 43, 1268-1283. doi: 10.1177/0146167217711929

Wölfer, R., Jaspers, E., Blaylock, D., Wigoder, C., Hughes, J., & Hewstone, M. (2017). Studying positive and negative direct and extended contact: Complementing self-reports with social network analysis. Personality and Social Psychology Bulletin, 43, 1566-1581. doi: 10.1177/0146167217719732

Wölfer, R., & Hewstone, M. (2017). Beyond the dyadic perspective: 10 reasons for using social network analysis in intergroup contact research. British Journal of Social Psychology, 56, 609-617. doi: 10.1111/bjso.12195

Schultze-Krumbholz, A., Schultze, M., Zagorscak, P., Wölfer, R., & Scheithauer, H. (2016). Feeling cybervictims’ pain: The effect of empathy training on cyberbullying. Aggressive Behavior, 42, 147-156. doi: 10.1002/ab.21613

Wölfer, R., Schmid, K., Hewstone, M., & van Zalk, M. (2016). Developmental dynamics of intergroup contact and intergroup attitudes: Long-term effects in adolescence and early adulthood. Child Development, 87, 1466-1478. doi: 10.1111/cdev.12598

Wölfer, R., Faber, N. S., & Hewstone, M. (2015). Social network analysis in the science of groups: Cross-sectional and longitudinal applications for studying intra- and intergroup behavior. Group Dynamics: Theory, Research, and Practice, 19, 45-61. doi: 10.1037/gdn0000021

Wölfer, R., & Hewstone, M. (2015). Intra- versus intersex aggression: Testing theories of sex differences using aggression networks. Psychological Science, 26, 1285-1294. doi: 10.1177/0956797615586979

Hewstone, M., Floe, C., Al Ramiah, A., Schmid, K., Son, E., Wölfer, R., & Lolliot, S. (2014). Diversity and intergroup contact in schools. In R. Koopmans, B. Lancee, & M. Schaeffer (Eds.), Social cohesion and immigration in Europe and North America (pp. 209-229). London: Routledge.

Lolliot, S., Fell, B., Schmid, K., Wölfer, R., Swart, H., Voci, A., Christ, O., New, R., & Hewstone, M. (2014). Measures of intergroup contact. In G. J. Boyle, D. H. Saklofske, & G. Matthews (Eds.), Measures of personality and social psychological constructs (pp. 652-683). London, UK: Academic Press.

Schultze-Krumbholz, A., Zagorscak, P., Wölfer, R., & Scheithauer, H. (2014). Das Medienhelden-Programm zur Förderung von Medienkompetenz und Prävention von Cybermobbing: Konzept und Ergebnisse aus der Evaluation. Praxis der Kinderpsychologie und Kinderpsychiatrie, 63, 379-394.

Schultze-Krumbholz, A., Zagorscak, P., Wölfer, R., & Scheithauer, H. (2014). Prävention von Cybermobbing und Reduzierung aggressiven Verhaltens Jugendlicher durch das Programm Medienhelden - Ergebnisse einer Evaluationsstudie. Diskurs Kindheits- und Jugendforschung, 9, 61-79.

Vezzali, L., Hewstone, M., Capozza, D., Giovannini, D., & Wölfer, R. (2014). Improving intergroup relations with extended and vicarious forms of indirect contact. European Review of Social Psychology, 25, 314-389. doi: 10.1080/10463283.2014.982948

Wölfer, R., & Cortina, K. S. (2014). Die soziale Dimension der Lernmotivation: Netzwerkanalytische Untersuchung schulischer Zielorientierungen. Zeitschrift für Erziehungswissenschaft, 17, 189-204. doi: 10.1007/s11618-014-0557-7

Wölfer, R., & Scheithauer, H. (2014). Social influence and bullying behavior: Intervention-based network dynamics of the fairplayer.manual bullying prevention program. Aggressive Behavior, 40, 309-319. doi: 10.1002/ab.21524

Wölfer, R., Schultze-Krumbholz, A., Zagorscak, P., Jäkel, A., Göbel, K., & Scheithauer, H. (2014). Prevention 2.0: Targeting cyberbullying @ school. Prevention Science, 15, 879-887. doi: 10.1007/s11121-013-0438-y

Scheithauer, H., Alsaker, F., Wölfer, R., & Ruggieri, S. (2013). Cyberball: A reasonable paradigm for research in developmental science? International Journal of Developmental Science, 7, 1-6. doi: 10.3233/DEV-1300071

Wölfer, R., & Scheithauer, H. (2013). Ostracism in childhood and adolescence: Emotional, cognitive, and behavioral effects of social exclusion. Social Influence, 8, 217-236. doi: 10.1080/15534510.2012.706233

Wölfer, R., Bull, H. D., & Scheithauer, H. (2012). Social integration in youth: Insights from a social network perspective. Group Dynamics: Theory, Research, and Practice, 16, 138-147. doi: 10.1037/a0024765

Wölfer, R., Cortina, K. S., & Baumert, J. (2012). Embeddedness and empathy: How the social network shapes adolescents’ social understanding. Journal of Adolescence, 35, 1295-1305. doi: 10.1016/j.adolescence.2012.04.015