Dr. Jan-Willem van Prooijen


This website is designed to inform you about the research, teaching, and other academic activities of Dr. Jan-Willem van Prooijen. He currently works as an Associate Professor at the department of Social and Organizational Psychology of VU Amsterdam, and as a Senior Researcher at the Netherlands Institute for the Study of Crime and Law Enforcement (NSCR). The main overarching theme of his research concerns injustice, conspiracy beliefs, and ideology. Research topics include (for instance) the psychology of punishment, responses to crime victims, corruption, belief in conspiracy theories, and political extremism. More details on Dr. van Prooijen’s research on these issues can be found under “research”. Dr. van Prooijen published his research findings in journals such as Journal of Personality and Social Psychology, Journal of Experimental Social Psychology, and Personality and Social Psychology Bulletin, and presented his research at many international conferences around the world. He received research funding from various sources, and was in 2006 awarded the Early Career Contribution Award by the International Society for Justice Research (ISJR). He is currently Associate Editor for Personality and Social Psychology Bulletin and for Social Justice Research, has been Associate Editor for European Journal of Social Psychology, and has been on the Editorial Board of various prestigious journals, including JPSP-IRGP and Psychological Science. Since July 2016, he is president of ISJR.

What’s new?

New Book:

Van Prooijen, J.-W., & Van Lange, P. A. M. (Eds.) (2016). Cheating, corruption, and concealment: The roots of dishonesty. Cambridge, UK: Cambridge University Press. 

For an abstract and overview of contents, click HERE.

Order HERE

Recent publications:

Van Prooijen, J.-W., & Douglas, K. M. (in press). Conspiracy theories as part of history: The role of societal crisis situations. Memory Studies.  Abstract

Strelan, P., Difiore, C., & Van Prooijen, J.-W. (in press). The empowering effect of punishment on forgiveness. European Journal of Social Psychology.

Van Prooijen, J.-W., & Krouwel, A. P. M. (in press). Extreme political beliefs predict dogmatic intolerance. Social Psychological and Personality Science.  Abstract

Köbis, N., Van Prooijen, J.-W., Righetti, F., & Van Lange, P. A. M. (2017). The road to bribery and corruption: Slippery slope or steep cliff? Psychological Science, 28, 297-306. Abstract

Van Gelder, J.-L., Nee, C., Otte, M., Demetriou, A., Sintemaartensdijk, I., & Van Prooijen, J.-W. (2017). Virtual burglary: Exploring the potential of virtual reality to study burglary in action. Journal of Research in Crime and Delinquency, 54, 29-62.

Van Prooijen, J.-W. (2017). Why education predicts decreased belief in conspiracy theories. Applied Cognitive Psychology, 31, 50-58.   Abstract    Read the article HERE (open access) 

Tan, X., Van Prooijen, J.-W., Proulx, T., Wu, H., Van Beest, I., & Van Lange, P. A. M. (2017). Reacting to unexpected losses in an uncertain world: High approach individuals become even more risk-seeking. Personality and Individual Differences, 109, 117-123.

Strelan, P., & Van Prooijen, J.-W. (2016). Tough love: The behavior control motive facilitates forgiveness in valued relationships. Personal Relationships, 23, 536-553.  Abstract

Razzaq, S., Iqbal, M. Z., Ikramullah, M., & Van Prooijen, J.-W. (2016). Occurrence of rating distortions and ratees’ fairness perceptions per rater’s mood and affect. Career Development International, 21, 726-743.  

Van Bommel, M., Van Prooijen, J.-W., Elffers, H., & Van Lange, P. A. M. (2016). The lonely bystander: Social exclusion leads to less helping, even in the presence of others. Social Influence, 11, 141-150.

Van Prooijen, J.-W., & De Vries, R. E. (2016). Organizational conspiracy beliefs: Implications for leadership styles and employee outcomes. Journal of Business and Psychology, 31, 479-491.  Abstract  Read the article HERE (open access) 

Van Prooijen, J.-W., & Van Lange, P. A. M. (2016). Cheating, corruption, and concealment: An introduction to dishonesty. Chapter to appear in J.-W. Van Prooijen and P. A. M. Van Lange (Eds.), Cheating, corruption, and concealment: The roots of dishonesty (pp. 1-12). Cambridge, UK: Cambridge University Press.

Van Prooijen, J.-W. (2016). Sometimes inclusion breeds suspicion: Self-uncertainty and belongingness predict belief in conspiracy theories. European Journal of Social Psychology, 46, 267-279.  abstract

Beijers, J., van Prooijen, J.-W., & Bijleveld, C. (2016). ‘To marry a thief?’ Crime type as a deterrent to cohabitation. Journal of Experimental Criminology, 12, 159-165. Read the article HERE (open access)

Van Doesum, N. J., Van Prooijen, J.-W., Verburgh, L., & Van Lange, P. A. M. (2016). Social hostility in soccer and beyond. PloS ONE, 11, e0153577.  Read the article HERE (open access) 

Köbis, N., Van Prooijen, J.-W., Righetti, F., & Van Lange, P. A. M. (2016). Prospection in individual and interpersonal corruption dilemmas. Review of General Psychology, 20, 71-85Abstract

Ikramullah, M., Van Prooijen, J.-W., Iqbal, M. Z., & Ul-Hassan, F. (2016). Effectiveness of performance appraisal: Developing a conceptual framework using competing values approach. Personnel Review, 45, 334-352.

 Gollwitzer, M., & Van Prooijen, J.-W. (2016). Psychology of justice. In C. Sabbagh & M. Schmitt (Eds.), Handbook of Social Justice Theory and Research (pp. 61-82). New York, NY: Springer.

 Van Bommel, M., Van Prooijen, J.-W., Elffers, H., & Van Lange, P. A. M. (2016). Booze, bars, and bystander behavior: People who consumed alcohol help faster in the presence of others. Frontiers in Psychology, 7: 128. Read this article HERE (open access).


Other news from Dr. van Prooijen's research group:

- Dr. van Prooijen co-presented the BNN reality TV program "dat wordt oorlog!". The program investigates how to create conflict between two groups, inspired by the Robbers Cave Experiment. The show will be broadcasted on Dutch TV (NPO3) in four episodes, starting 25 April 2017. Please see the trailer HERE

- Together with Dr. Jean-Louis van Gelder, Iris van Sintemaartensdijk, and Prof. van Lange, Dr. van Prooijen was awarded a grant by "Politie en Wetenschap" for a project on burglary behavior in a virtual environment. 

- On 28 September 2016, Niels van Doesum defended his PhD thesis entitled "Social Mindfulness" at the VU. Congratulations, Dr. Niels!

- On 1 September 2016, Mengchen Dong started as PhD student on a project on supernatural and conspiracy beliefs. She is funded by the China Scholarship Counsil (CSC). Her supervisors are Dr. van Prooijen and Prof. van Lange.

- Dr. van Prooijen started as President of the International Society for Justice Research (ISJR) at the ISJR conference in Canterbury, UK, 20-23 July 2016. His presidency will last until the next ISJR conference in 2018.

- On 1 July 2016, Vanja Ljujic started at the NSCR as a post-doc on the project of economic drivers of radicalization and terrorism. She will work together with Frank Weerman, Jan-Willem van Prooijen, and Veroni Eichelsheim.

- On 1 May 2016, Iris van Sintemaartensdijk, Msc, started as junior researcher on a project on virtual burglary at the NSCR and the VU. She is supervised by Dr. Jean-Louis van Gelder (NSCR), Dr. van Prooijen, and Prof. Paul van Lange (VU), and is being funded by the Dutch Ministry of Justice. 

- Together with various NSCR colleagues (Frank Weerman, Veroni Eichelsheim, and Catrien Bijleveld), Dr. van Prooijen was awarded an EU grant on the economic drivers of radicalization and terrorism in January 2016. The project is part of the larger Horizon2020 consortium 'PROTON'. 

- Since 1 January 2016, Dr. van Prooijen is teaching director of the Research Master in Social Psychology at VU Amsterdam.