Joost van Ginkel, PhD

Academic career

  • Assistant professor at the Data Theory Group, Department of Education, Leiden University (2008-)
  • Postdoc at the Free University Medical Center at Amsterdam (2007-2008).
  • Ph.D. Social and Behavioral Sciences, department of Methodology and Statistics, Tilburg University (2007). Title of thesis: "Multiple imputation for incomplete test, questionnaire, and survey data".
  • Ph.D. Representative IOPS (2004-2006).
  • Ph.D. student at the faculty of Social and Behavioral Sciences, department of Methodology and Statistics, Tilburg University (2003-2007).
  • M.A. in Psychology, Department of Psychological Methods, University of Amsterdam (2002).
  • Master's thesis on the robustness of three different regression techniques under violation of various assumptions, supervision: Dr. Wulfert P. van den Brink (2002).
  • Internship at the Academic Medical Center of the University of Amsterdam (2001), supervision: Dr. Frans J. Oort.

Publications

  • Van Ginkel, J.R., Sijtsma, K, & Van der Ark, L.A. (in press). Incidence of Missing Item Scores in Personality Measurement, and Simple Item-Score Imputation. Methodology.
  • Coupé, V.M.H., Van Ginkel, J.R., Sneijders, J.P.F., Meijer, C.J.L.M., Berkhof, J. (2009). HPV16/18 vaccination in the Netherlands: Model-based cost-effectiveness. International Journal of Cancer, 124, 970-978.
  • Vermunt, J.K., Van Ginkel, J.R., Van der Ark, L.A., & Sijtsma, K. (2008). Multiple imputation of incomplete categorical data using latent class analysis. Sociological Methodology, 38, 369-397.
  • Alisic, E., Van der Schoot, T. A. W., Van Ginkel, J. R., & Kleber, R. J. (2008). Trauma exposure in primary school children: Who is at risk? Journal of Child and Adolescent Trauma, 1, 263-269 .
  • Alisic, E., Van der Schoot, T.A.W, Van Ginkel, J.R., & Kleber, R.J. (2008). Looking beyond PTSD in Children: Posttraumatic Stress Reactions, Posttraumatic Growth, and Quality of Life. Journal of Clinical Psychiatry, 69, 1455-1461.
  • Van Ginkel, J. R., Van der Ark, L. A., & Sijtsma, K. (2007). Multiple imputation for item scores when test data are factorially complex. British Journal of Mathematical and Statistical Psychology, 60, 315-337.
  • Van Ginkel, J. R., Van der Ark, L. A., & Sijtsma, K. (2007). Multiple imputation of test and questionnaire data and influence on psychometric results. Multivariate Behavioral Research, 42, 387-414.
  • Van Ginkel, J. R. Van der Ark, L. A., Sijtsma, K., & Vermunt, J. K. (2007). Two-way imputation: A Bayesian method for estimating missing scores in tests and questionnaires, and an accurate approximation. Computational Statistics and Data Analysis, 51, 4013-4027.
  • Van Ginkel, J. R., & Van der Ark, L. A. (2005). SPSS syntax for missing value imputation in test and questionnaire data. Applied Psychological Measurement, 29, 152-153.
  • Berghout, C., Van Ginkel, J., Groeneweg, N., Israëls, H., Kas, A., Lesniewski, U., Van Stempvoort, J. (2002). Should subjects be forewarned of the possible psychological consequences of filling out a PTSD questionnaire? Psychological Reports, 90, 461-465.

Presentations

  • Van Ginkel, J.R. (2008). Further investigation of the influence of simple multiple-imputation methods on psychometrically important statistics. 73rd Annual Meeting of the Psychometric Society, New Hampshire, July, 2008.
  • Van Ginkel, J.R. (2007). Multiple imputation of categorical data using latent class analysis. Annual Meeting of the Netherlands Society For Statistics and Operations Research, Tilburg University, September, 2007.
  • Van Ginkel, J.R. (2007). Multiple imputation of categorical data using latent class analysis. 22nd IOPS Summer Conference, Utrecht University, June, 2007.
  • Van Ginkel, J.R. (2006). Multiple imputation of item scores in test and questionnaire data under a two-way ANOVA model. Symposium of the 71th Annual Meeting of the Psychometric Society, Montréal, June, 2006.
  • Van Ginkel, J.R. (2005). Extensions of Two-way imputation to multidimensionality. Symposium of the 70th Annual Meeting of the Psychometric Society, Tilburg University, June, 2005.
  • Van Ginkel, J.R. (2004). Multiple imputation of item scores in test and questionnaire data, and influence on results of classical test theory and Mokken scale analysis. 14th International IOPS Conference, University of Maastricht, December, 2004
  • Van Ginkel, J.R. (2004). Multiple imputation of item scores in test and questionnaire data, and influence on results of classical test theory and Mokken scale analysis. RC-33, University of Amsterdam, August, 2004.
  • Van Ginkel, J.R. (2004). Multiple imputation of item scores in test and questionnaire data, and influence on results of classical test theory and Mokken scale analysis. 69th Annual Meeting of the Psychometric Society, California, June, 2004.
  • Van Ginkel, J.R. (2004). Multiple imputation of item scores in test and questionnaire data, and influence on psychometric results. Annual Meeting of the Netherlands Society For Statistics and Operations Research, Free University at Amsterdam, April, 2004.
  • Van Ginkel, J.R. (2004). Multiple imputation of item scores in test and questionnaire data, and influence on psychometric results. PhD conference, Tilburg University, February 2004.

Unpublished works

  • Jharap, B., Seinen, M. L., Van Ginkel, J. R., Linskens, R. K., Mulder, C. J. J., Kneppelhout, J. C., De Boer, N. K., & Van Bodegraven, A.A. (in progress). Thiopurine therapy in inflammatory bowel disease patients: analysis of two 8-years interception cohorts.
  • Coupé, V.M.H., Van Ginkel, J.R., Sneijders, J.P.F., Meijer, C.J.L.M., Berkhof, J. (2008). HPV16/18 vaccinatie . kosteneffectiviteitsanalyses op basis van simulatiemodel. Report for Dutch ministry of health.
  • Van Ginkel, J.R. (2008). Investigation of multiple imputation in messy questionnaire data. Manuscript submitted for publication.
  • Sluijter, B.J.R., Stens, J., Vuylsteke, R., Van Ginkel, J.R., Van den Tol, M.P., Meijer, S., & Van Leeuwen, P.A.M. (2007). 10-year follow-up results; clinical outcome of stage I/II melanoma patients. Manuscript submitted for publication.
  • Van Ginkel, J. R. (2007). Multiple imputation of incomplete test, questionnaire, and survey data. Unpublished PhD dissertation, Tilburg University.

Software

  • rf.zip (response function imputation)
  • cims.zip (corrected item mean substitution)
  • tw.zip (Two-way imputation)
  • tw-fl.zip (Two-way imputation using factor loadings)
  • tw-ss.zip (Two-way imputation for separate scales)
  • mi.zip (Rules for multiple imputation - unidimensional estimates)
  • mi-mul.zip (Rules for multiple imputation - multidimensional estimates)
  • imputation.zip

Page last modified on Thursday, March 05, 2009.