Dr. A.R. (Allard) Feddes
Faculty of Social and Behavioural Sciences
Programme group Social Psychology
Visiting address
- Nieuwe Achtergracht 129
- Room number: 2.30
Postal address
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Postbus 15900
1001 NK Amsterdam
Contact details
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Profile
Research Interests
General interest: How does group membership influence our thinking (cognition), feeling (affect and emotions), and behaviour.
Specific research themes:
- Identity
- Intergroup prejudice, stereotyping, discrimination
- Radicalization, de-radicalization and terrorism
- Populism
- Evaluation of interventions
Biography
Allard Feddes is an Assistant Professor of Social Psychology at the University of Amsterdam, the Netherlands. He has a PhD in Social Psychology (Friedrich-Schiller University of Jena, Germany, 2007) and a MSc. in Social and Organizational Psychology (University of Groningen, the Netherlands, 2004). Allard has also studied at Maynooth University (Ireland) and Simon Fraser University (Vancouver, Canada). He has worked as a post-doctoral researcher at ISCTE-Lisbon University Institute (Portugal) and the University of Milano-Bicocca (Italy). Allard is broadly interested in the question how group membership influences our thinking (cognition), feeling (affect and emotions) and doing (behaviour). His research includes topics such as intergroup prejudice, stereotyping and discrimination; antecedents and consequences of hate-crime; collective action; radicalization and terrorism and populism. In addition, Allard is interested in developing interventions (i.e., countering discrimination) and how to best show what works and and what not (evidence-based evaluation).
Teaching
Courses:
Fundamentals of Psychology (Introduction course in Psychology, PPLE-Politics, Psychology, Law & Economics- Bachelor Programme)
Emotions (PPLE Bachelor Programme)
Political Psychology (PPLE Bachelor Programme)
Intergroup Processes (Bachelor Programme, Department of Psychology)
Current topics: Polarization (Bachelor Programme, Department of Psychology)
Theses:
Supervision of Bachelor and (Research) Master theses (Department of Psychology)
Supervision of PhD students (Department of Psychology)
Internships:
Supervision of internships of Cultural Psychology and Social Influence Mastertrack students (Department of Psychology)
Supervision of internships of Research Master students (Department of Psychology)
Administrative tasks
Chair of the Programme Committee of the Graduate School of Psychology
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Publications
- refereed (36)
- academic (5)
- professional (12)
- popular scientific (1)
- conference contributions (1)
- recognitions (9)
- supervised theses (1)
2025
Feddes, A. R., Arjangi-Babetti, H. J., Bosdijk, S., Klawitter, L., Romers, A. H., Tsaousoglou, S., Doosje, B., Effting, M., & van Emmerik, A. A. P. (2025). Effects of refugee settlement on citizens: A prospective longitudinal study of associations between perceived intergroup threat and mental health. Group Processes & Intergroup Relations, 28(1), 50-66. https://doi.org/10.1177/13684302241248001 [details]- Gligorić, V., Reinhardt, C., Nieuwenhuijzen, E., Orobio de Castro, J., Feddes, A. R., van Kleef, G. A., & Rutjens, B. T. (2025). The role of worldviews, radicalization risk factors, and personality in harassment of scientists. Scientific Reports, 15, Article 1261. https://doi.org/10.1038/s41598-025-85208-7 [details]
2024
- Özdemir, F., Doosje, B., Feddes, A. R., van Bergen, N. R., Ayanian, A. H., Halabi, S., Guevara, Y., Kende, A., Karić, T., da Silva, C., de Jong, J. C., Pántya, J., Zick, A., Reicher, S. D., & Hopkins, N. (2024). Antecedents and consequences of perceived misrecognition and perceived discrimination in ethnic minorities. International Journal of Intercultural Relations, 99, Article 101938. https://doi.org/10.1016/j.ijintrel.2024.101938 [details]
2023
- Feddes, A. R., Nickolson, L., van Bergen, N. R. J., Mann, L., & Doosje, B. (2023). Extremist thinking and doing: A systematic literature study of empirical findings on factors associated with (de)radicalisation processes. International Journal of Developmental Science, 17(1-3), 7-18. https://doi.org/10.3233/DEV-230345 [details]
- Groot Bruinderink, M. L., Boyd, A., & Feddes, A. R. (2023). Online-Mediated HIV Pre-exposure Prophylaxis Care and Reduced Monitoring Frequency for Men Who Have Sex With Men: Protocol for a Randomized Controlled Noninferiority Trial (EZI-PrEP Study). JMIR Research Protocols, 12, Article e51023. https://doi.org/10.2196/51023
- van Bergen, D., Smit, A., & Feddes, A. R. (2023). Stigma, Depression, Suicidal Thoughts and Coping of Sexual Minority Youth Raised in Conservative Versus Mainstream Denominations of Christianity: A Mixed Method Study. Sexuality and Culture: An Interdisciplinary Journal, 27(3), 972-994. https://doi.org/10.1007/s12119-022-10050-2 [details]
2022
- Feddes, A. R., van Emmerik, A. A. P., Arjangi-Babetti, H. J., Bosdijk, S., Klawitter, L., Macdougall, A. I., Romers, A. H., Tsaousoglou, S., & Doosje, B. (2022). (Not) In my backyard! Threat perceptions, psychological well-being, and collective action against refugee settlement. In F. M. Moghaddam, & M. Hendricks (Eds.), Contemporary Immigration: Psychological Perspectives to Address Challenges and Inform Solutions (pp. 45-62). American Psychological Association. https://doi.org/10.1037/0000294-000 [details]
- Gavan, L., Hartog, K., Koppenol-Gonzalez, G. V., Gronholm, P. C., Feddes, A. R., Kohrt, B. A., Jordans, M. J. D., & Peters, R. M. H. (2022). Assessing stigma in low- and middle-income countries: A systematic review of scales used with children and adolescents. Social Science & Medicine, 307, Article 115121. https://doi.org/10.1016/j.socscimed.2022.115121 [details]
- Gligorić, V., Feddes, A., & Doosje, B. (2022). Political Bullshit Receptivity and its Correlates: A Cross-Country Validation of the Concept. Journal of Social and Political Psychology, 10(2), 411-429. https://doi.org/10.5964/jspp.6565 [details]
- Reiter, J., Doosje, B., & Feddes, A. R. (2022). Radicalization and Deradicalization: A Qualitative Analysis of Parallels in Relevant Risk Factors and Trigger Factors. Peace and Conflict, 27(2), 268-283. Advance online publication. https://doi.org/10.1037/pac0000493 [details]
- da Silva, C., de Jong, J., Feddes, A. R., Doosje, B., & Gruev-Vintila, A. (2022). Where Are You Really From? Understanding Misrecognition From the Experiences of French and Dutch Muslim Women Students. Journal of Social and Political Psychology, 10(1), 201-217. https://doi.org/10.5964/jspp.9395 [details]
2021
- van Bergen, D. D., Feddes, A. R., & de Ruyter, D. J. (2021). Perceived discrimination against Dutch Muslim youths in the school context and its relation with externalising behaviour. Oxford Review of Education, 47(4), 475-494. https://doi.org/10.1080/03054985.2020.1862779 [details]
2020
- Feddes, A. R., & Jonas, K. J. (2020). Associations Between Dutch LGBT Hate Crime Experience, Well-Being, Trust in the Police and Future Hate Crime Reporting. Social Psychology, 51(3), 171-182. Advance online publication. https://doi.org/10.1027/1864-9335/a000409 [details]
- Feddes, A. R., Nickolson, L., Mann, L., & Doosje, B. (2020). Psychological Perspectives on Radicalization. Routledge. https://doi.org/10.4324/9781315178837 [details]
- MacDougall, A. I., Feddes, A. R., & Doosje, B. (2020). “They've Put Nothing in the Pot!”: Brexit and the Key Psychological Motivations Behind Voting 'Remain' and 'Leave'. Political Psychology, 41(5), 979-995. https://doi.org/10.1111/pops.12660 [details]
- Mann, L., Nickolson, L., Feddes, A. R., Doosje, B., & Moghaddam, F. M. (2020). Exploring the viability of phase-based models in (de)radicalization. In S. J. Hansen, & S. Lid (Eds.), Routledge Handbook of Deradicalisation and Disengagement (pp. 41-53). Routledge. https://doi.org/10.4324/9781315387420-5 [details]
2019
- Feddes, A. R., Huijzer, A., van Ooijen, I., & Doosje, B. (2019). Fortress of Democracy: Engaging Youngsters in Democracy Results in More Support for the Political System. Peace and Conflict : Journal of Peace Psychology, 25(2), 158-164. https://doi.org/10.1037/pac0000380 [details]
- Reches, L. H. L., & Feddes, A. R. (2019). Similarity attracts: The role of personality in similarity perceptions and children's attitudes towards refugees. British Journal of Developmental Psychology, 37(4), 447-460. https://doi.org/10.1111/bjdp.12285 [details]
- van Bergen, D. D., Wachter, G. G., & Feddes, A. R. (2019). Externalizing behaviours of Turkish-Dutch and Moroccan-Dutch youth: The role of parental cultural socialization. The European Journal of Developmental Psychology, 16(1), 18-31. Advance online publication. https://doi.org/10.1080/17405629.2017.1326379 [details]
2018
- Macdougall, A. I., van der Veen, J., Feddes, A. R., Nickolson, L., & Doosje, B. (2018). Different Strokes for Different Folks: The Role of Psychological Needs and Other Risk Factors in Early Radicalisation. International Journal of Developmental Science, 12(1-2), 37-50. https://doi.org/10.3233/DEV-170232 [details]
2017
- Doosje, B., de Wolf, A. B., Mann, L., & Feddes, A. R. (2017). Radicalisering en de-radicalisering. In P. J. van Koppen, J. W. de Keijser, R. Horselenberg, & M. Jelicic (Eds.), Routes van het recht: Over de rechtspsychologie (pp. 131-146). Boom juridisch. [details]
- Feddes, A. R. (2017). Risico-inschatting in een integraal veiligheidsbeleid. In L. Colaert (Ed.), ‘Deradicalisering’: Wetenschappelijke inzichten voor een Vlaams beleid (pp. 49-64). Vlaams Vredesinstituut. https://www.vlaamsvredesinstituut.eu/publicaties/rapporten/deradicalisering-wetenschappelijke-inzichten-voor-een-vlaams-beleid [details]
- Jugert, P., & Feddes, A. R. (2017). Children's cross-ethnic friendships: Antecedents and consequences. In A. Rutland, D. Nesdale, & C. S. Brown (Eds.), The Wiley Handbook of Group Processes in Children and Adolescents (pp. 373-392). (Wiley handbooks of developmental psychology). Wiley Blackwell. https://doi.org/10.1002/9781118773123.ch18 [details]
- Mann, L., Feddes, A. R., Leiser, A., Doosje, B., & Fischer, A. H. (2017). When is Humiliation More Intense? The Role of Audience Laughter and Threats to the Self. Frontiers in Psychology, 8, Article 495. https://doi.org/10.3389/fpsyg.2017.00495 [details]
2016
- António, J. H., Correia, R., Feddes, A. R., & Morais, R. (2016). Creating a More Inclusive Society: Social-Developmental Research on Intergroup Relations in Childhood and Adolescence. In J. Vala, S. Waldzus, & M. M. Calheiros (Eds.), The social developmental construction of violence and intergroup conflict (pp. 197-218). Springer International Publishing. [details]
- Doosje, B., Moghaddam, F. M., Kruglanski, A. W., de Wolf, A., Mann, L., & Feddes, A. R. (2016). Terrorism, radicalization, and de-radicalization. Current Opinion in Psychology, 11, 79-84. https://doi.org/10.1016/j.copsyc.2016.06.008 [details]
- Mann, L., Feddes, A. R., Doosje, B., & Fischer, A. H. (2016). Withdraw or affiliate? The role of humiliation during initiation rituals. Cognition & Emotion, 30(1), 80-100. Advance online publication. https://doi.org/10.1080/02699931.2015.1050358 [details]
2015
- Feddes, A. R., & Gallucci, M. (2015). A literature review on methodology used in evaluating effects of preventive and de-radicalisation interventions. Journal for Deradicalization, 5(4), 1-27. http://journals.sfu.ca/jd/index.php/jd/article/view/33 [details]
- Feddes, A. R., Mann, L., & Doosje, B. (2015). Increasing self-esteem and empathy to prevent violent radicalization: a longitudinal quantitative evaluation of a resilience training focused on adolescents with a dual identity. Journal of Applied Social Psychology, 45(7), 400-411. https://doi.org/10.1111/jasp.12307 [details]
- van Bergen, D. D., Feddes, A. F., Doosje, B., & Pels, T. V. M. (2015). Collective identity factors and the attitude toward violence in defense of ethnicity or religion among Muslim youth of Turkish and Moroccan descent. International Journal of Intercultural Relations, 47, 89-100. https://doi.org/10.1016/j.ijintrel.2015.03.026 [details]
2014
- Arriaga, P., Esteves, F., & Feddes, A. R. (2014). Looking at the (mis) fortunes of others while listening to music. Psychology of Music, 42(2), 251-268. Advance online publication. https://doi.org/10.1177/0305735612466166 [details]
- Feddes, A. R., Monteiro, M. B., & Justo, M. G. (2014). Subjective social status and intergroup attitudes among ethnic majority and minority children in Portugal. British Journal of Developmental Psychology, 32(2), 125-140. Advance online publication. https://doi.org/10.1111/bjdp.12025 [details]
2012
- Doosje, B., van den Bos, K., Loseman, A., Feddes, A. R., & Mann, L. (2012). "My in-group is superior!": susceptibility for radical right-wing attitudes and behaviors in Dutch youth. Negotiation and Conflict Management Research, 5(3), 253-268. https://doi.org/10.1111/j.1750-4716.2012.00099.x [details]
- Feddes, A. R., Mann, L., & Doosje, B. (2012). From extreme emotions to extreme actions: explaining non-normative collective action and reconciliation. Behavioral and Brain Sciences, 35(6), 432-433. https://doi.org/10.1017/S0140525X12001197 [details]
2011
- Turner, R. N., & Feddes, A. R. (2011). How intergroup friendship works: a longitudinal study of friendship effects on outgroup attitudes. European Journal of Social Psychology, 41(7), 914-923. https://doi.org/10.1002/ejsp.843 [details]
2009
- Feddes, A. R., Noack, P., & Rutland, A. (2009). Direct and extended friendship effects on minority and majority children’s intergroup attitudes: A Longitudinal Study. Child Development, 80(2), 377-390. https://doi.org/10.1111/j.1467-8624.2009.01266.x
2024
- Feddes, A. R., Cong, Y.-Q., Doosje, B., Mann, L., van Schalk, A., Chan, J., Kinanthik, T., Jelia, H., & Andriessen, I. (2024). Onderzoek naar ervaren discriminatie en racisme bij mensen met een (Zuid-)Oost-Aziatische herkomst in Nederland. Ministerie van Sociale Zaken en Werkgelegenheid. https://www.rijksoverheid.nl/documenten/rapporten/2024/03/18/bijlage-1-eindrapport-ervaren-discriminatie-nederlanders-met-een-zuid-oost-aziatische-herkomst [details]
2023
- van Bergen, N., Feddes, A. R., Mann, L., & Doosje, B. (2023). Imitation: The basics. (The Basics series). Routledge. https://doi.org/10.4324/9781003175056 [details]
2016
- Feddes, A. R., & Jonas, K. J. (2016). LGBT Hate Crime, Psychological Well-Being, and Reporting Behaviour: LGBT Community and Police Perspectives. University of Amsterdam. http://app.uva.nl/afgeronde-onderzoeken/onderzoeken.html [details]
2013
- Feddes, A. R., Mann, L., & Doosje, B. (2013). Scientific Approach to Formulate Indicators & Responses to Radicalisation. Empirical study. SAFIRE. [details]
- Marret, J. L., Feddes, A. R., Mann, L., Doosje, B., & Griffioen-Young, H. (2013). An overview of the SAFIRE project: a scientific approach to finding indicators of and responses to radicalisation. Journal EXIT-Deutschland: Zeitschrift für Deradikalisierung und demokratische Kultur, 1(2), 123-148. http://journals.sfu.ca/jed/index.php/jex/article/view/26 [details]
2021
- Nickolson, L., van Bergen, N., Feddes, A., Mann, L., & Doosje, B. (2021). Extremistisch Denken en Doen: Een systematische studie van empirische bevindingen over het radicaliseringsproces. WODC. https://repository.wodc.nl/bitstream/handle/20.500.12832/3063/3050-extremistisch-denken-en-doen-volledige%20tekst.pdf?sequence=1&isAllowed=y [details]
2020
- Feddes, A. R., Babetti, H. J., Cremer, S., & Jonas, K. J. (2020). LHBTI 65+ gezondheid in beeld: Lichamelijk en psychologisch welzijn van LHBTI 65+ inwoners van Amsterdam . Universiteit van Amsterdam. https://app.uva.nl/binaries/content/assets/projectsites/amsterdam-pink-panel/20200210_lhbti65-_amsterdam_eindrapport_ggd.pdf [details]
2017
- Knape, S. J., & Feddes, A. R. (2017). Literatuur om bruggen te bouwen: Een voorleesinterventie in de klas ter voorbereiding van positief contact met vluchtelingenkinderen. Literatuur zonder Leeftijd, 31(103), 130–147. [details]
- Wallner, T., van Emmerik, A. A. P., Feddes, A. R., Fischer, A. H., & Doosje, B. (2017). Trauma, veerkracht en integratie: Een onderzoek naar de relatie tussen traumatische gebeurtenissen, posttraumatische stress, geestelijke gezondheid, veerkracht en integratie van vluchtelingen in Nederland. Universiteit van Amstersdam. [details]
2016
- Feddes, A. R., Nickolson, L., & Doosje, B. (2016). Triggerfactoren in het radicaliseringsproces. Justitiële Verkenningen, 42(2), 22-48. https://doi.org/10.5553/JV/016758502016042002003 [details]
2015
- Feddes, A. R., Nickolson, L., & Doosje, B. (2015). Triggerfactoren in het radicaliseringsproces. Expertise-unit Sociale Stabiliteit, Universiteit van Amsterdam. https://www.rijksoverheid.nl/documenten/rapporten/2015/10/12/triggerfactoren-in-het-radicaliseringsproces [details]
2013
- Feddes, A. R., & Mann, L. (2013). Versterking van zelfvertrouwen en countering social isolation: Effect evaluation of training DIAMANT. SAFIRE.
- Feddes, A. R., Mann, L., & Doosje, B. (2013). Does it work? How to evaluate effectiveness of a programme preventing radicalisation. SAFIRE. http://www.safire-project-results.eu/documents/focus/18.pdf [details]
- Feddes, A. R., Mann, L., & Doosje, B. (2013). Final report for EU of empirical study of the SAFIRE-project on processes of radicalisation: a quantitative and qualitative analysis of the radicalisation process. Deliverable WP 5.1. Universiteit van Amsterdam.
- Feddes, A. R., Mann, L., & Doosje, B. (2013). Key socio-psychological factors in preventive and suppressive interventions. SAFIRE. http://www.safire-project-results.eu/documents/focus/16.pdf [details]
- Feddes, A. R., Mann, L., de Zwart, N., & Doosje, B. (2013). Duale identiteit in een multiculturele samenleving: een longitudinale kwalitatieve effectmeting van de weerbaarheidstraining Diamant. Tijdschrift voor Veiligheid, 12(4), 27-44. https://doi.org/10.5553/TvV/187279482013012004003 [details]
- Havermans, B. M., Feddes, A. R., & Doosje, B. (2013). An interview study on the effects of a train-the-trainer programme. SAFIRE. http://www.safire-project-results.eu/documents/focus/17.pdf [details]
2015
- Feddes, A. R. (2015). Expert input. "Soms radicaliseren ze door een sterfgeval." (door A. Kouwenhoven). NRC Handelsblad.
2016
- Wolf, S. A., & Feddes, A. R. (2016). Perceptions matter more than observations: Different operationalizations of team unity and their relationship to individual and team outcomes.. Poster session presented at Annual meeting of the North American Society for the Psychology of Sport and Physical Activity, Montréal, Québec, Canada.
Membership / relevant position
- Feddes, A. (2019-2020). Member of advisory committee project "Overkoepelende evaluatie culturele interventies [Evaluation of cultural interventions]”., Ministry of Work and Social affairs / Risbo (Erasmus Universiteit)..
Others
- Feddes, A. R. (participant) (10-2018 - 3-2020). Advisor on project "Needs of hate-crime victims in the justice process and social support". Wetenschappelijk Onderzoek- en Documentatiecentrum. (other).
- Vauclair, C.-M. (participant), Rodrigues, R. B. (participant), Feddes, A. R. (participant) & Podsiadlowski, A. (participant) (9-7-2018 - 14-7-2018). European Science Open Forum (ESOF), Toulouse, France, Toulouse. A society for all? From prejudice and discrimination to social inclusion in a globalized world. Symposium organised at Europeanscience Open Forum (…) (organising a conference, workshop, ...).
- Sauter, D. A. (participant), Fischer, A. H. (participant) & Feddes, A. R. (participant) (18-11-2017). Zwarte Markt voor de Kennis, Universiteit van Amsterdam (other).
- Doosje, B. (organiser) & Feddes, A. R. (organiser) (3-12-2015 - 4-12-2015). Political Psychology Conference, Amsterdam. Organizers of the symposium: What Events lead to radicalization and how can we make people resilient? (organising a conference, workshop, ...).
- Doosje, B. (organiser), Feddes, A. R. (organiser), Mann, L. (organiser) & Dobber, S. (organiser) (2015). Political Psychology conference, Universiteit van Amsterdam. Organizers of the symposium 'Processes of radicalisation.' (organising a conference, workshop, ...).
- Feddes, A. R. (organiser) & Aarts, W. (organiser) (7-11-2013). Evaluation of interventions to counter radicalisation. Workshop given during the SAFIRE End Event Symposium on Finding Indicators of and Responses to Radicalisation, Amsterdam, November 7. (organising a conference, workshop, ...).
- Weggemans, A. (organiser), Feddes, A. R. (organiser) & Cahuzac, O. (organiser) (7-11-2013). SAFIRE End Event Symposium on Finding Indicators of and Responses to Radicalisation, Amsterdam, November 7. (organising a conference, workshop, ...).
- Griffioen-Young, H. (organiser), Feddes, A. R. (organiser), Goetz, P. (organiser), Reding, A. (organiser) & Weggemans, A. (organiser) (6-6-2012). SAFIRE End User symposium on Radicalisation towards Violence., Amsterdam (organising a conference, workshop, ...).
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Ancillary activities
- No ancillary activities
Feddes, A. R., Arjangi-Babetti, H. J., Bosdijk, S., Klawitter, L., Romers, A. H., Tsaousoglou, S., Doosje, B., Effting, M., & van Emmerik, A. A. P. (2025). Effects of refugee settlement on citizens: A prospective longitudinal study of associations between perceived intergroup threat and mental health. Group Processes & Intergroup Relations, 28(1), 50-66.