Jan-Willem van Prooijen studied psychology at Leiden University, where he graduated in 1998 at the department of Social and Organisational Psychology, and at the department of Psychometrics and Research Methodology. In 2002 he received his PhD at the department of Social and Organisational Psychology at Leiden University, on a thesis about the relationship between group dynamics and procedural justice.
He started working as an Assistant Professor at the Department of Social and Organisational Psychology of VU Amsterdam in 2001. As of 2007, he has been working at this same department as an Associate Professor. Furthermore, since 2011 he is affiliated with the NSCR as Senior Researcher.
In his research, Jan-Willem van Prooijen uses both experimental and applied research methods. Among the topics of his research are perceptions of injustice, belief in conspiracy theories, and ideological extremism. He currently serves on the editorial board of various prominent international journals, and regularly appears in the media. Recently he was elected the next President of the International Society for Justice Research (ISJR); his presidency will begin in 2016 and run until 2018.
Jan-Willem is NSCR-VU Fellow and member of the Extremism/Terrorism Cluster and the Technological innovations (CRIME Lab) Cluster.
- When on camera, passive onlooker comes to the rescue – April 22, 2015
22 Apr 2015
“When many bystanders are present during an emergency, people intervene less often and less quickly than when they are the only witness.” This phenomenon is...