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dr. N. (Namkje) Koudenburg

Associate Professor of Psychology

Grants & Awards

2020. Early Career Award, Dutch National Academy of Sciences (KNAW)

2017. VENI – Vernieuwingsimpuls NWO, project title: “The Communication Model of Cultural Change” (250,000 euros).

2017. Jos Jaspars Early Career Award, European Association of Social Psychology

2016. Fellowship for Innovation of Teaching (FIT), University of Groningen.

Best Dissertation Award by the Society of Experimental Social Psychology (SESP)

Best Dissertation Award, awarded by the Dutch Association of Social Psychological Researchers (ASPO).

Best Dissertation Award, American Psychological Association (APA), division 49 – Group Psychology & Group Psychotherapy.

Best Dissertation Award (Wieringa-Rengerink Prize), University of Groningen (University-wide award).

Google Research Award ($38.900), project titled: "Social consequences of short delays in mediated communication: Towards a social psychological solution" (together with Tom Postmes and Ernestine Gordijn

Education & Academic positions

2019-present. Associate Professor, University of Groningen

2022. Visiting Researcher, Princeton University (A. Coman's lab).

2015-2019. Assistant Professor, Tenure Track position, University of Groningen

2016. Visiting Assistant Professor, University of Melbourne, Australia

2013 – 2015. Postdoctoral Researcher/Lecturer, University of Groningen

2013. Visiting researcher at Social Identity and Group Networks-lab (SIGN) at University of Queensland, Brisbane, Australia

2014. PhD "Conversational Flow: The Emergence and Regulation of Solidarity through Social Interaction" ( cum laude ). Supervisors: Tom Postmes & Ernestine Gordijn, University of Groningen.

Research Master "Human Behaviour in Social Contexts", University of Groningen ( cum laude ).

Traineeship in the Engineering and Capacity Building Program (ECPB), Addis Abeba, Ethiopia.

Bachelor Psychology, University of Groningen ( cum laude ).

Erasmus Exchange Programme, Université Paul Valèrie, Montpellier, France.


*first author is a (graduate) student

#shared first authorship

(1)   *Roos, C. A., Postmes, T., & Koudenburg, N. (2023). Feeling heard: Operationalizing a key concept for social relations. Plos one, 18(11), e0292865.

(2)   *Roos, Utz, Koudenburg, Postmes. (2024). Diplomacy Online: A Case of Mistaking Broadcasting for Dialogue. European Journal of Social Psychology

(3)   Tirion, A. S., Mulder, L. B., Kurz, T., Koudenburg, N., Prosser, A. M., Bain, P., & Bolderdijk, J. W. (2024). The sound of silence: The importance of bystander support for confronters in the prevention of norm erosion. British Journal of Social Psychology.

(4)   Koudenburg, N. & Jans. L. (2023). The Group Dynamics Sparking Social Change: How Group Value in Diversity Predicts Interactions with a Deviant. Frontiers in Social Psychology, 1, 1240173. doi: 10.3389/frsps.2023.1240173.

(5)   Koudenburg, N., Kutlaca, M., & Kuppens, T. (2023). The experience and emergence of attitudinal consensus in conversations. European Journal of Social Psychology, 1–15.

(6)   *D’Amore, C., Van Zomeren, M. & Koudenburg, N. (2023). Perceived Polarization Amplifies Attitude Moralization in Response to Outgroup Expressions in the News: A Four-Wave Longitudinal Study During the 2020 US Election, Journal of Personality and Social Psychology.

#Ayache, J. #Roos, C.A. # Koudenburg, N. #Binder, J. (2023). Editorial for the Special Issue: Social Influence in Computer-Mediated Communication. Acta Psychologica.

Jans, L. & Koudenburg, N., & Grosse, L (2023). Cooking a Pro-Veg*n Social Identity: The influence of vegan cooking workshops on Children’s Pro-Veg*n Social Identities, Attitudes, and Dietary Intentions. Environmental Education Research.

*Roos, C. A., Postmes, T., & Koudenburg, N. (2022). Attempts to encourage diplomacy in online interactions: Three informative failures. Acta Psychologica, 228, 103661

Koudenburg, N., Kashima, Y. (2022). A Polarized Discourse: Effects of Opinion Differentiation and Structural Differentiation on Communication. Personality and Social Psychology Bulletin, 48(7), 1068-1086.

Koudenburg, N., Van Mourik Broekman, A. & Stellingwerf, S. (2022). Disfluency effects on social relationships and the self.  International Journal of Language and Communication Disorders.

#Meeussen, L. & #Koudenburg, N. (2022). A Compliment’s Cost: How Positive Responses to Non-traditional Choices may Paradoxically Reinforce Traditional Gender Norms. British journal of social psychology. Doi: 10.1111/bjso.12532

Koudenburg, N., Kiers, H. A. L., & Kashima, Y. (2021). A new Opinion Polarization Index developed by integrating expert judgments. Frontiers in Psychology. doi: 10.3389/fpsyg.2021.738258.

*D’Amore, C., van Zomeren, M., & Koudenburg, N. (2021). Attitude Moralization Within Polarized Contexts: An Emotional Value-Protective Response to Dyadic Harm Cues. Personality and Social Psychology Bulletin.

*Roos, C. A., Koudenburg, N., & Postmes, T. (2021). Dealing with disagreement: The depolarizing effects of everyday diplomatic skills face-to-face and online. New Media & Society.

Koudenburg, N,, Kannegieter, A., Postmes, T., Kashima, Y. (2021). The subtle spreading of sexist norms. Group Processes & Intergroup Relations, 24(8),1467-1485. doi:10.1177/1368430220961838

*Manfredi R, Guazzini A, Roos CA, Postmes T, Koudenburg N (2020). Private-Public Opinion Discrepancy. PLOS ONE 15(11): e0242148.

*Roos, C. A., Postmes, T., & Koudenburg, N. (2020). The microdynamics of social regulation: Comparing the navigation of disagreements in text-based online and face-to-face discussions. Group Processes & Intergroup Relations, 23(6), 902–917.

*Roos, C.A., Koudenburg, N. & Postmes, T., (2020). Online Social Regulation: When Everyday Diplomatic Skills for Harmonious Disagreement Break Down, Journal of Computer-Mediated Communication, 25(6), 382–401,

*Van Mourik Broekman, A., Koudenburg,N., Gordijn, E.H., Krans, K., & Postmes, T. (2019). The Impact of Art: Exploring the social-psychological pathways that connect audiences to live performances. Journal of Personality and Social Psychology, 116(6), 942-965. doi: 10.1037/pspi0000159

Jans, L., Koudenburg, N., Dillmann, J., Wichgers, L., Postmes, T., & den Hartigh, R. J. (2019). Dynamic reactions to opinion deviance: The role of social identity formation. Journal of Experimental Social Psychology. doi: 10.1016/j.jesp.2019.04.001

Koudenburg, N., Greijdanus, H. J. E., & Scheepers, D. T. (2018). The Polarizing Effects of Group Discussion in a Negative Normative Context: Integrating Societal, Group and Individual level factors. Special section on Understanding rapid societal change: Emerging perspectives and methods, British Journal of Social Psychology, 58(1). doi: 10.1111/bjso.12282

Koudenburg, N. (2018). Regulating Shared Reality with Micro-Dynamics in the Form of Conversation. Current Opinion in Psychology, 23, 47-51. Doi: 10.1016/j.copsyc.2017.12.002

*Van Mourik Broekman, A., Gordijn, E.H., Koudenburg, N. & Postmes, T. (2018). Reshaping Social Structure Through Performances: Emergent Solidarity Between Actors and Observers. Journal of Experimental Social Psychology, 76, 19-32. doi: 10.1016/j.jesp.2017.12.002.

Koudenburg, N., Gordijn, E.H., & Postmes, T. (2017). Beyond Content of Conversation: The Role of Conversational Form in the Emergence and Regulation of Social Structure. Personality and Social Psychology Review, 21(1), 50-71.

Koudenburg, N., Jetten, J., & Dingle, G. (2017). Personal Autonomy in Group-Based Interventions. European Journal of Social Psychology, 47, 653-660. Doi: 10.1002/ejsp.2230

Koudenburg, N., Postmes, T, Gordijn, E.H., & Van Mourik Broekman, A.  (2015). Uniform and Complementary Social Interaction: Distinct Pathways to Social Unity. PLOS ONE, e0129061. doi:10.1371/journal.pone.0129061.

Koudenburg, N., Gordijn, E.H., & Postmes, T. (2014). “More than words”: Social Validation in Close Relationships. Personality and Social Psychology Bulletin, 40, 1517-1528. doi:10.1177/0146167214549945

Howell, J.L., Koudenburg, N., Loschelder, D.D., Fransen, K., De Dominicis­, S., Weston, D., Gallagher, S., Haslam, S.A. (2014). Happy but unhealthy: The relationship between social ties and health in an emerging network. European Journal of Social Psychology, 44 (6), 612-621. doi:10.1002/ejsp.2030

Koudenburg, N., Postmes, T, & Gordijn, E.H(2014). Conversational Flow and Entitativity: The Role of Status. British Journal of Social Psychology, 53, 350-366.  doi:10.1111/bjso.12027

Koudenburg, N. (2014). Conversational Flow: The Emergence and Regulation of Solidarity Through Social Interaction. Doctoral Dissertation, University of Groningen.

Koudenburg, N., Postmes, T, & Gordijn, E.H(2013). Conversational Flow Promotes Solidarity.  PlosONE, 8(11), e78363. doi:10.1371/journal.pone.0078363

Koudenburg, N., Postmes, T, & Gordijn, E.H. (2013). Resounding Silences: Subtle Norm Regulation in Group Interaction. Social Psychology Quarterly, 76 (3), 224-241. doi:10.1177/0190272513496794.

Hansen, N., Koudenburg, N., Kocsev, M., Tellegen, P.J., Hiersemann, R. & Postmes, T. (2012). Laptop Usage Affects Abstract Reasoning of Children in the Developing World. Computers and Education, 59, 989-1000. doi:10.1016/j.compedu.2012.04.013

Koudenburg, N., Postmes, T, & Gordijn, E.H. (2011). If They Were to Vote, They Would Vote for Us. Psychological Science, 22(12), 1506-1510.  doi :10.1177/0956797611420164

Koudenburg, N. & Postmes, T., & Gordijn, E.H. (2011). Disrupting the Flow: How Brief Silences in Group Conversations Affect Social Needs. Journal of Experimental Social Psychology, 47 (2), 512-515. doi:10.1016/j.jesp.2010.12.006 

Koudenburg, N. & Gordijn, E.H. (2011). “My Date Can Call Me Sweet, But My Colleague Can’t” Meta-Stereotypic Behavior as a Function of Context and Liking of the Outgroup. Social Cognition, 29 (2), 221-230. doi:10.1521/soco.2011.29.2.221

Barelds, D.P.H., Dijkstra, P.J., Koudenburg, N., & Swami, V. (2011). An Assessment of Positive Illusions of the Physical Attractiveness of Romantic Partners. Journal of Social and Personal Relationships, 28 (5), 706-719. doi:10.1177/0265407510385492


Cuijpers, L.S., Koudenburg, N., Marsh, K.L. (2020). Moving as one: agency and social unity in joint action and its breakdown. DOI preprint: 10.31234/

Roos, Postmes, Koudenburg. (2022). Feeling heard: Operationalizing a key concept for social relations.10.34894/ihnkun

Popular-scientific articles and blogs

Koudenburg, N. (2021) The subtle spread of sexism – SPSP Character & Context blog.

Postmes, T., D’Amore, C. Gootjes, F., & Koudenburg, N. (2021). Polarisatie. Tijdschrift voor Politie.

Koudenburg, N. (2019) Connecting Early Career Researchers in YESS BSS. Mindwise-groningen

*Van Mourik Broekman, A., Gordijn, E., Postmes, T., Koudenburg, N. & Krans, K. (2015). Dance for solidarity: Uniting dancers and audience through movement. In Koolen, H., Naafs, J., Naber, R. & Wildschut, L. (eds.). Danswetenschap in Nederland. Vol. 8, pp. 79-88.

Koudenburg, N., Postmes, T, & Gordijn, E.H. ( 2012 ). When Conversations Flow. In-Mind magazine, 15.


Group Dynamics - third year bachelor psychology.

Managing Groups - skills course for the social psychology master.

PhD-students (co-promotor):

2023 – ongoing: V. Weissenbacher: Online pain or online gain.

2019 – ongoing: C. D’Amore: Unraveling the Mystery of Moralization: When and how do attitudes become moralized in polarized political debates?

2017 – 2022      C. A. Roos: Social Regulation in a Digitizing Society.

2013 – 2018      A. van Mourik Broekman: An experimental approach to group growth.

Other Academic activities

Associate Editor Acta Psychologica

Editor Special Issue "Social Influence in Computer-Mediated Communication" in Acta Psychologica (with J. Binder, C.A. Roos, J. Ayache)

Editorial board Journal of Personality and Social Psychology.

Coordinator KLI track Group Processes and Intergroup Behaviour (2016-present).

Board member of the Dutch Association of Social Psychologists (ASPO, 2017-present).

Editor (2014-2022)

University of Groningen Community of Excellence Teachers (2016-present)

In the Media

BBC, July 2017: The Subtle Power of Uncomfortable Silences

Psychology Today, July 2017: The Most Important Communication Skill You Will Ever Need

Huffington Post, February 2012: Even People Who Don’t Vote Would Vote Like I Do

Psychology Today, January 2012: Even People Who Don’t Vote Would Vote Like I Do

CBC, September 2011: Nonvoters

MSNBC, January 2010: Four seconds is all it takes for silence to get awkward

Time Magazine, December 2010: Awkward Silences: 4 Seconds is all it takes to feel rejected

MillerMcCune, December 2010: The Deep Pain of Awkward Silences


Last modified:17 January 2024 10.44 a.m.