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

Associate Professor


Surveys And Questionnaires
Model Theory
Measurement Error
Reaction Time
Decision Making


Fox, J-P., Mulder, J., & Sinharay, S. (2017). Bayes Factor Covariance Testing in Item Response Models. Psychometrika, 82(4), 979-1006. DOI: 10.1007/s11336-017-9577-6
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
Fox, J. P., Marsman, M., Mulder, J., & Verhagen, J. (2016). Complex Latent Variable Modeling in Educational Assessment. Communications in statistics. Simulation and computation, 45(5), 1499-1510. DOI: 10.1080/03610918.2014.939518
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

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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