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Research themes include:

  • foundations of educational research
  • intelligence
  • nonparametric item response theory
  • interrater reliability
  • computer adaptive testing 
  • measurement invariance
  • meta-analysis
  • longitudinal data analysis
  • (non-standard) structural equations modelling
  • social networks, and 
  • learning analytics

As of November 2020, the methods and statistics research group have two VENI laureates, and one Open-Competition laureate.

Prof. dr. L.A. (Andries) van der Ark

Head of Research Group Methods and Statistics