prof.dr.ir. G.J.A. Fox (Jean-Paul)

Associate Professor


Model Theory
Reaction Time



Recent Articles
Fox, J. P., & Marianti, S. (2017). Person-Fit Statistics for Joint Models for Accuracy and Speed. Journal of educational measurement, 54(2), 243-262. DOI: 10.1111/jedm.12143
Gorter, R., Fox, G. J. A., Apeldoorn, A., & Twisk, J. (2016). Measurement model choice influenced randomized controlled trial results. Journal of clinical epidemiology, 79, 140-149. DOI: 10.1016/j.jclinepi.2016.06.011
Verhagen, J., Levy, R., Millsap, R. E., & Fox, G. J. A. (2016). Evaluating evidence for invariant items: A Bayes factor applied to testing measurement invariance in IRT models. Journal of mathematical psychology, 72, 171-182. DOI: 10.1016/j.jmp.2015.06.005
Azevedo, C. L. N., Fox, G. J. A., & Andrade, D. F. (2016). Bayesian longitudinal item response modeling with restricted covariance pattern structures. Statistics and computing, 26(1), 443-460. DOI: 10.1007/s11222-014-9518-5
Schmidt, S., Zlatkin-Troitschanskaia, O., & Fox, G. J. A. (2016). Pretest-Posttest-Posttest Multilevel IRT Modeling of Competence Growth of Students in Higher Education in Germany. Journal of educational measurement, 53(3), 332-351. DOI: 10.1111/jedm.12115
Fox, G. J. A., & Glas, C. A. W. (2016). Multilevel Response Models with Covariates and Multiple Groups. In W. J. van der Linden (Ed.), Handbook of Item Response Theory, Volume One: Models (pp. 407-419). (Chapman & Hall/CRC Statistics in the Social and Behavioral Sciences). CRC Press. DOI: 10.1201/9781315374512-25

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Contact Details

Visiting Address

University of Twente
Faculty of Behavioural, Management and Social Sciences
Cubicus (building no. 41), room B 331
De Zul 10
7522NJ  Enschede
The Netherlands

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Mailing Address

University of Twente
Faculty of Behavioural, Management and Social Sciences
Cubicus  B 331
P.O. Box 217
7500 AE Enschede
The Netherlands