Dr. Robert Zwitser (1981) is assistant professor at the Psychological Methods group of the University of Amsterdam.


  • Lecturer in Applied Statistics, Data Science, Psychometrics, and Statistical Advice
  • Researcher focused on statistical models for educational assessment (special interests: multistage testing, differential item functioning)
  • Coordinator and ambassador of the master’s track Behavioural Data Science (BDS)
  • Statistical advisor for the Stats Store
  • Member Works Council FMG (Dutch: ondernemingsraad FMG) on behalf of De Amsterdamse Academie (DAA)


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