Marjolein Fokkema

Marjolein Fokkema, PhD, at Institute of Psychology, Leiden University
Marjolein Fokkema

Marjolein Fokkema is an assistant professor at the Unit of Methodology & Statistics. She carried out the research for her PhD degree at the Department of Clinical Psychology at VU University Amsterdam. Her current research focuses on the application and development of methods from machine learning and data mining to assessment issues in psychological research and practice.

Key publications

  • Connecting clinical and actuarial prediction with rule-based methods. (2015) Fokkema, M., Smits, N., Kelderman, H., & Penninx, B. W.
  • Detecting treatment-subgroup interactions in clustered data with generalized linear mixed-effects model trees. (2015) Fokkema, M., Smits, N., Zeileis, A., Hothorn, T., Kelderman, H.,
  • Response shifts in mental health interventions: An illustration of longitudinal measurement invariance. (2013) Fokkema, M., Smits, N., Kelderman, H., & Cuijpers, P.