prof. dr. M.E. (Marieke) Timmerman

Professor of Multivariate data analysis

Faculty of Behavioural and Social Sciences

Telephone:

+31 50 36 36255

+31 50 36 36366 (Secretariat)

E-mail:

m.e.timmerman rug.nl

ORCID Research Portal

Publications

The GRoNC: Guidelines for Reporting on Norm-Referenced and Criterion-Referenced Scores

Timmerman, M. E., Bildt, A. D. & Urban, J., 24-Sept-2025, (E-pub ahead of print) In: Assessment.

Research output: Contribution to journal › Article › Academic › peer-review

Adjusting for nonrepresentativeness in continuous norming using multilevel regression and poststratification

de Vries, K., Timmerman, M., Ernst, A. F. & Albers, C., 2025, (E-pub ahead of print) In: Psychological Methods.

Research output: Contribution to journal › Article › Academic › peer-review

Item Response Theory Based Continuous Test Norming

Heister, H., Albers, C., Wiberg, M. & Timmerman, M., 2024, (E-pub ahead of print) In: Psychological Methods.

Research output: Contribution to journal › Article › Academic › peer-review

A tutorial on regression-based norming of psychological tests with GAMLSS

Timmerman, M. E., Voncken, L. & Albers, C. J., 2021, In: Psychological Methods. 26, 3, p. 357–373 17 p.

Research output: Contribution to journal › Article › Academic › peer-review

Dimensionality assessment of ordered polytomous items with parallel analysis

Timmerman, M. E. & Lorenzo-Seva, U., Jun-2011, In: Psychological Methods. 16, 2, p. 209-220 12 p.

Research output: Contribution to journal › Article › Academic › peer-review

Facial emotion recognition in multiple sclerosis is related to proxy-reported but not self-reported social behavioural functioning in daily life

Reinhardt, A., Rakers, S. E., Timmerman, M. & Spikman, J. M., 4-Sept-2025.

Research output: Contribution to conference › Abstract › Academic

normref: Continuous Norming

Pierik-de Vries, K., Heister, H., Urban, J., Voncken, L. & Timmerman, M., 6-Oct-2025, CRAN.

Research output: Other contribution › Academic

Protocol for development of a checklist and guideline for transparent reporting of cluster analyses (TRoCA)

Lisik, D., Shah, S. A., Basna, R., Dinh, T., Browne, R. P., Andrews, J. L., Wallace, M., Ezugwu, A., Marusic, A., Tran, D., Torres-Sospedra, J., Dam, H.-C., Fournier-Viger, P., Hennig, C., Timmerman, M., Warrens, M. J., Ceulemans, E., Nwaru, B. I. & Hernandez-Boussard, T. M., 21-Aug-2025, In: BMJ Open. 15, 8, 7 p., e099609.

Research output: Contribution to journal › Article › Academic › peer-review

Sex differences and age of onset in well-being and recovery in people with psychotic disorders.: A PHAMOUS study

PHAMOUS investigators, Hoeksema, L., Bruins, J., Gangadin, S., van der Meer, L., Pijnenborg, G. M., Visser, E., Timmerman, M. & Castelein, S., Mar-2025, In: Schizophrenia Research. 277, p. 86-92 7 p.

Research output: Contribution to journal › Article › Academic › peer-review