Skip to main content

Peter Theuns

Professor, Academic Staff
+32-2-629 20 56




  • Licentiate of psychology (Clinical Psychology Children & Adults)
  • Certified Teacher in Higher Secondary Education
  • Supplementary licenciate in management (MBA)
  • Doctor of psychology

Non-academic career

  • 1986
    • Counselor Jongeren- en Gezinsadvies Centrum, St. Pieters Woluwe
  • 1995 - 1996
    • Mediator, HR counselor, Vrije Universiteit Brussel

Academic career

  • 1986 - 1992
    • Vrije Universiteit Brussel, Center for Statistics and Operations Research
    • Teaching assistant: Maths and Stats in Psychology, Economics, and Social Science
  • 1992 - ...
    • Vesalius College
    • Parttime Professor: Methods of Social Scientific Inquiry
  • 1996 - 1998
    • University of Ghent, Faculty of Psychology (FPPW)
    • Parttime Visiting Professor: Data Analysis II, and Psychophysics
  • 1998 - 2000
    • University of Ghent, Faculty of Psychology (FPPW)
    • Parttime Professor: Statistics I, Data Analysis II, and Psychophysics
  • 1999 - ...
    • Vrije Universiteit Brussel, Faculty of Psychology and Education Science
    • Fulltime Professor (Docent): Research methods I and II, Multivariate Data- Analysis, Survey Research, and Responsible for apprenticeships in Work and Industrial Psychology


  • Research methods I and II,
  • Multivariate Data- Analysis,
  • Survey Research


  • Methodology of Psychological and Social Sciences Research. Current research topics are:
  • Cross cultural comparability of subjective Qualitiy of Life experience: Measurement invariance in Quality of Life
  • Applications of Functional Measurement to Quality of life ratings
  • Applicability of the Anamnestic Comparative Self-Assessment (ACSA) scale for Quality of Life assessment
  • Data quality in websurveys : Context Effects in Surveys Other interests:
  • Measurement quality obtained from rating scales in surveys: the impact of scale anchoring, labels, orientation, dimensionality etc.
  • Electronic learning environments for education, specifically in the fields of mathematics, statistics, and methodological education.
  • Ordinal data-analysis (Boolean analysis) and mathematical modeling of work-related social processes.
  • Self-anchoring rating scales
  • Response effects and rating scale formats


List of publications...


Vrije Universiteit Brussel
Pleinlaan 2
1050 Brussels