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Dr. R.J. (Robert) Zwitser

Head of Business Intelligence
Executive Staff
Strategy & Information
Photographer: onbekend

Visiting address
  • Spui 21
  • Room number: 3.04
Postal address
  • Postbus 19268
    1000 GG Amsterdam
Social media
  • Publications


    • Theeboom, T., Van Vianen, A. E. M., Beersma, B., Zwitser, R., & Kobayashi, V. (2018). A practitioner’s perspective on coaching effectiveness. In L. Nota, & S. Soresi (Eds.), Counseling and coaching in time of crisis and transitions: From research to practice (pp. 61-77). Routledge. [details]
    • de Voogd, L., Wiers, R. W., de Jong, P. J., Zwitser, R. J., & Salemink, E. (2018). A randomized controlled trial of multi-session online interpretation bias modification training: Short- and long-term effects on anxiety and depression in unselected adolescents. PLoS ONE, 13(3), Article e0194274. [details]



    • Visser, R. M., Haver, P., Zwitser, R. J., Scholte, H. S., & Kindt, M. (2016). First steps in using multi-voxel pattern analysis to disentangle neural processes underlying generalization of spider fear. Frontiers in Human Neuroscience, 10, Article 222. [details]
    • Zwitser, R. J., & Maris, G. (2016). Ordering individuals with sum scores: the introduction of the nonparametric Rasch model. Psychometrika, 81(1), 39-59. Advance online publication. [details]
    • de Voogd, E. L., Wiers, R. W., Prins, P. J. M., de Jong, P. J., Boendermaker, W. J., Zwitser, R. J., & Salemink, E. (2016). Online attentional bias modification training targeting anxiety and depression in unselected adolescents: Short- and long-term effects of a randomized controlled trial. Behaviour Research and Therapy, 87, 11-22. Advance online publication. [details]
    • de Voogd, E. L., Wiers, R. W., Zwitser, R. J., & Salemink, E. (2016). Emotional working memory training as an online intervention for adolescent anxiety and depression: A randomised controlled trial. Australian journal of psychology, 68(3), 228-238. [details]



    • Bügel, K., Alberts, R. V. J., & Zwitser, R. J. (2011). Hebben jongens een steeds groter wordende onderwijsachterstand? Sekseverschillen in onderwijsprestaties vanaf vijftien jaar. Tijdschrift voor Genderstudies, 14(4), 63-76. [details]
    • de Boeck, P., Bakker, M., Zwitser, R., Nivard, M., Hofman, A., Tuerlinckx, F., & Partchev, I. (2011). The estimation of item response models with the lmer function from the lme4 package in R. Journal of Statistical Software, 39(12), 1-28. [details]

    Prize / grant

    • Zwitser, R. J. (2009). Van der Geer Award for best master thesis in Psychology.

    Talk / presentation

    • Zwitser, R. (speaker), Glaser, S. S. F. (speaker) & Maris, G. K. J. (speaker) (18-7-2017). On the Difference between Modeling DIF and Correcting for DIF, 82nd Annual Meeting of the Psychometric Society, Zurich.
    • Partchev, I. (speaker), Zwitser, R. (speaker), van der Palm, D. (speaker), Maris, G. K. J. (speaker) & Bechger, T. M. (speaker) (9-2-2017). Introducing dexter: An R Package for Managing and Analysing Test Data., International Workshop on Psychometric Computing, Vienna.
    • Zwitser, R. (speaker) & Maris, G. K. J. (speaker) (27-7-2016). Differential Item Function in educational surveys. It’s there and it should be there!, VII European Congress of Methodology, Palma de Mallorca.
    • Zwitser, R. (speaker), Glaser, S. S. F. (speaker) & Maris, G. K. J. (speaker) (20-11-2014). Monitoring Countries in a Changing World. A New Look at DIF in International Surveys., Presentation at the Research Center for Examinations and Certification (RCEC) workshop 2014, Enschede.
    • Zwitser, R. (speaker) & Maris, G. K. J. (speaker) (22-7-2013). Ordering Individuals with Sum Scores: the Introduction of the Nonparametric Rasch Model, International Meeting of the Psychometric Society, Arnhem.
    • Zwitser, R. (speaker) (13-4-2012). Reliability of Aggregation of Results on Multiple Assessments: Which Role can Retests Play?, American Educational Research Association, Vancouver.
    • Zwitser, R. (speaker), Béguin, A. (speaker) & Maris, G. K. J. (speaker) (8-7-2011). Complex Decision Rules and Misclassification: Who Should Take a Retest?, International Meeting of the Psychometric Society, Hong Kong.
    • Zwitser, R. (speaker) & Béguin, A. (speaker) (8-6-2011). Over het nut van herkansen [On the usefulness of resits], Onderwijs Research Dagen 2011.
    • Zwitser, R. (speaker) & Maris, G. K. J. (speaker) (7-6-2010). CML Estimation in Multistage Testing, International Association for Computerized Adaptive Testing, Arnhem.


    This list of publications is extracted from the UvA-Current Research Information System. Questions? Ask the library or the Pure staff of your faculty / institute. Log in to Pure to edit your publications. Log in to Personal Page Publication Selection tool to manage the visibility of your publications on this list.
  • Ancillary activities
    • DAIR
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