Rippe, Dr. R.C.A (Ralph)

  • Assistant Professor

Telephone number: +31 (0)71 527 3889
Faculty / Department: Faculteit der Sociale Wetenschappen, Instituut Pedagogische Wetenschappen, Algemene en Gezinspedagogiek
Office Address: Pieter de la Court gebouw
Wassenaarseweg 52
2333 AK Leiden
Room number 4B19

  • Assistant Professor at the Centre for Child and Family Studies (2013-current)
  • Board member of the “Vereniging voor Ordinatie en Classificatie” (2011-current)
  • PhD dissertation: Advanced Statistical Tools for SNP Arrays: Signal Calibration, Copy Number Estimation and Single Array Genotyping (2012), 187pp, Leiden University. Supervisors: prof. J.J. Meulman and prof. P.H.C. Eilers.
  • PhD Representative IOPS 2008-2009 (2 years).
  • Jury Member for best Student Thesis in the Faculty of Social and Behavioral Sciences 2006, 2007 and 2008.
  • Alumni-representative Master track 'Methods and Statistics' for Educational Assessment 2006.
  • Master's thesis on restricted multiple correspondence analysis (HOMALS), supervised by prof. dr. W.J. Heiser and dr. C.M. van Putten (2006).
  • M.Sc. in Psychology, cum laude, at the Methods and Statistics division, Department of Psychology, Leiden University (2006).
  • Student Member in Master Track-committee 2005-2006.
  • Teaching assistant with prof. dr. A. Mooijaart (2006).
  • University education in Psychometrics and Research Methodology, at the Department of Psychology, Leiden University (2002-2006).

Research areas

  • Gene x Environment interactions (GxE)
  • Genome-Wide Association Studies (GWAS)
  • SNP genotyping and Copy Number estimation
  • Multivariate statistics (and applications)
  • Statistical issues in obesity research
  • Statistical consultation for researchers, PhD candidates and students
  • Software development (including requirements engineering, data structures)

Teaching activities

  • Coordinator of research master course "Applied multivariate data analysis"
  • Contributions to several courses in multivariate statistics in all stages of the curriculum Education and Child Studies

Personal website

  • Fur full details on research, presentations, teaching and funding, see my personal website at

Last Modified: 22-12-2015