

1973 born in Westervoort, the Netherlands.
1991-1996 MSc in Biometrics (cum laude) at Wageningen Agricultural University.
1996 teaching assistant at Wageningen Agricultural University, Department of Mathematics.
1996-2000 PhD in statistics at Maastricht University, Department of Methodology and Statistics. Title thesis: Design and analysis of multilevel intervention studies.
2000 visiting fellow at University of California at Los Angeles, Department of Biostatistics.
2000-2001 postdoc at National Institute of Public Health and the Environment (RIVM).
2001-now assistant professor at Utrecht University, Department of Methodology and Statistics.
2003-now member of the Interuniversity Graduate School of Psychometrics and Sociometrics (IOPS).
2003 awarded a research grant from the Netherlands Organisation for Scientific Research (NWO) for young excellent researchers (VENI grant; 200.000 Euros). Project title: Powerful and cost-efficient designs for multilevel and longitudinal intervention studies in the social sciences.
2006 awarded a grant from the Netherlands Organisation for Scientific Research (NWO) to hire a PhD student for five years (NWO-Open Competition; 200.000 Euros). Project title: Robustness issues for cluster randomized trials.
2008 awarded a grant from the Netherlands Organisation for Scientific Research (NWO) for excellent researchers (VIDI grant; 600.000 Euros). Project title: Improving statistical power in studies on event occurence by using an optimal design.
2009 Aawarded a grant from Nijmegen Centre for Evidence Based Practice (Radboud University Nijmegen Medical Centre) to hire a PhD student. Project title: Improved methods for studies that compare the well-being of groups (‘clusters’) of elderly when there are only few clusters.
Multilevel and structural equation modelling. Survival analysis.
Optimal designs. Power and sample size calculations.
You can also look up publications directly in METIS.
| Korendijk, E.J.H., Hox, J. & Moerbeek, M. (2011). Robustness of parameter and standard error estimates against ignoring a contextual effect of a subject level covariate in cluster randomized trials. Behavior Research Methods, 43, 1003-1013.
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| Rietbergen, C. & Moerbeek, M. (2011). The design of cluster randomized crossover trials. Journal of Educational and Beharioral Statistics, 36(4), 474-490.
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| Moerbeek, M. (2011). The effects of the number of cohorts, degree of overlap among cohorts and frequency of observation on power in accelerated longitudinal designs. Methodology, 7(1), 11-24.
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| Jong, K.A. de, Moerbeek, M. & Leeden, R. van der (2010). A priori power analysis in longitudinal three-level multilevel models:An example with therapist effects. Psychotherapy Research, 20(3), 273-284.
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| Middendorp, H. van, Lumley, M.A., Moerbeek, M., Jacobs, J.W.G., Bijlsma, J.W.J. & Geenen, R. (2010). Effects of anger and anger regulation styles on pain in daily life of women with fibromyalgia: a diary study. European Journal of Pain, 14, 176-182.
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| Moerbeek, M. (2009). Het hoe en waarom van statistische power analyses. STAtOR, 10(1), 17-21.
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| Moerbeek, M. (2010). Onderzoeksmasters toegepaste statistiek. STAtOR, 11(3), 9-12.
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| Moerbeek, M. & Teerenstra, S. (). Optimal designs in multilevel experiments. In J.K. Roberts & J.J. Hox (Eds.), The Handbook of Advanced Multilevel Analysis (pp. 257-281). Routledge.
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| Korendijk, E.J.H., Moerbeek, M. & Maas, C.J.M. (2010). The Robustness of Designs for Trials With Nested Data Against Incorrect Initial Intracluster Correlation Coefficent Estimates. Journal of educational and behavioral statistics, 35(5), 566-585.
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| Tusch, C., Wierds, R, Moerbeek, M., Ames, S.L., Grenard, J.L., Sussman, S & Stacy, A.W. (2009). The influence of Motivational Interviewing on explicit and implicit alcohol-related cognition and alcohol use in at-risk adolescents. Psychology of Addictive Behaviors, 23(1), 146-151.
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| Moerbeek, M., Van Breukelen, G.J.P. & Berger, M.P.F. (2008). Optimal designs for multilevel studies. In De Leeuw, J. & Meijer, E. (Eds.), Handbook of quantitative multilevel analysis (pp. 177-205). Spinger.
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| Moerbeek, M. (2008). Powerful and cost-efficient designs for longitudinal intervention studies with two treatment groups. Journal of Educational and Behavioral Statistics, 33, 41-61.
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| Teerenstra, S., Moerbeek, M., Van Achterberg, T., Pelzer, B.J. & Borm, G.F. (2008). Sample size calculations for 3-level cluster randomized trials. Clinical Trials, 5, 486-495.
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| Moerbeek, M. & Wong, W.K. (2008). Sample size formulae for trials comparing group and individual treatments in a multilevel model. Statistics in Medicine, 27, 2850-2864.
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| Korendijk, E., Maas, C.J.M., Moerbeek, M. & Van der Heijden, P.G.M. (2008). The influence of misspecification of the heteroscedasticity on multilevel regression parameters and standard errors. Methodology, 4, 67-72.
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| Teerenstra, S., Moerbeek, M., Melis, R.J.F. & Borm, G.F. (2007). A comparison of methods to analyse continuous data from pseudo cluster randomized trials. Statistics in Medicine, 26, 4100-4115.
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| Tusch, C., Wiers, R.W., Theunissen, N., van den Bosch, J., Opdenacker, J., van Empelen, P., Moerbeek, M. & Feron, F.M.J. (2007). A randomized clinical trial of a targeted intervention to moderate alcohol use and alcohol-related problems in adolescents at risk for alcoholism. Pharmacology, Biochemistry and Behavior, 86, 368-376.
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| Moerbeek, M. (2006). Cluster randomized trials: design and analysis. In Pham (Ed.), Springer handbook of engineering statistics (pp. 705-718). London: Springer.
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| Moerbeek, M. (2006). Power and money in cluster randomized trials: when is it worth measuring a covariate? Statistics in Medicine, 25(15), 2607-2617.
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| Slob, W., Moerbeek, M., Rauniomaa, E. & Piersma, A.H. (2005). A statistical evaluation of toxicity study designs for the estimation of the benchmark dose in continuous endpoints. Toxicological Sciences, 84, 167-185.
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| Moerbeek, M. & Maas, C.J.M. (2005). Optimal experimental designs for multilevel logistic models with two binary predictors. Communications in statistics. Part A, theory and methods, 34(5), 1151-1167.
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| Visser-van Balen, J., Geenen, R., Moerbeek, M., Stroop, R., Kamp, G., Huisman, J., Wit, J.M. & Sinnema, G. (2005). Psychosocial functioning of adolescents with idiopathic short stature or persistent short stature born small for gestational age during three years of combined growth hormone and gonadotropin-releasing hormone against treatment. Hormone Research, 64, 77-87.
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| Visser-van Balen, J., Geenen, R., Moerbeek, M., Stroop, R., Kamp, G.A., Huisman, J., Wit, J.M. & Sinnema, G. (2005). Psychosocial functioning of adolescents with idiopathic short stature or persistent short stature born small for gestational age during three years of combined growth hormone and gonadotropin-releasing hormone agonist treatment. Hormone Research, 64, 77-87.
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| Moerbeek, M. (2005). Randomization of clusters versus randomization of persons within clusters: which is preferable? The American Statistician, 59(1), 72-78.
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| Moerbeek, M. (2005). Robustness properties of A-, D-, and E-optimal designs for polynomial growth models with autocorrelated errors. Computational Statistics and Data Analysis, 48(4), 765-778.
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| Moerbeek, M., Piersma, A.H. & Slob, W. (2004). A comparison of three methods for calculating confidence intervals for the benchmark dose. Risk Analysis, 24, 31-40.
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| Moerbeek, M. (2004). The consequence of ignoring a level of nesting in multilevel analysis. Multivariate Behavioral Research, 129-149.
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| Moerbeek, M. (2004). The use of internal pilot studies to derive powerful and cost-efficient designs for studies with nested data. In C. van Dijkum, J. Blasius, H. Kleijer & B. van Hilten (Eds.), Recent Developments and Applications in Social Research Methodology. The Netherlands, Amsterdam.
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| Moerbeek, M. (2004). The use of internal pilot studies to derive powerful and cost-efficient designs for studies with nested data. Proceedings of the American Statistical Association, Social Section [CD-ROM]: Canada, Toronto (2004, August 8 - 2004, August 12).
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| Moerbeek, M., Breukelen, G.J.P. & Berger, M.P.F. (2003). A comparison between traditional methods and multilevel regression for the analysis of multicenter intervention studies. Journal of Clinical Epidemiology, 56(4), 341-350.
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| Moerbeek, M., Breukelen, G.J.P. & Berger, M.P.F. (2003). A comparison of estimation methods for multilevel logistic models. Computational Statistics, 18(1), 19-37.
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| Moerbeek, M., Breukelen, G.J.P., Ausems, M. & Berger, M.P.F. (2003). Optimal sample sizes in experimental designs with individuals nested within clusters. Understanding Statistics, 2(3), 151-175.
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| Geus, T.J., Oude Groen, J., Van der Heijden, P.G.M. & Moerbeek, M. (2003). Zeg nou zelf. Tevredenheid van medewerkers binnen de RO 1998-2002. Amersfoort: Prisma.
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| Moerbeek, M. & Wong, W.K. (2002, July 1). Multiple-objective optimal designs for the hierarchical linear model. Tilburg, 23rd biennual conference of the Society for multivariate analysis in the behavioral sciences.
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| Moerbeek, M. & Wong, W.K. (2002). Multiple-objective optimal designs for the hierarchical linear model. Design and Analysis of Experiments 1 (conference): Vancouver, Canada (2002, July 14 - 2002, July 18).
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| Moerbeek, M. & Wong, W.K. (2002). Multiple-objective optimal designs for the hierarchical linear model. Journal of Official Statistics, 18, 291-303.
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| Moerbeek, M. (). Statiscians of the centuries, C.C. Heyde and E. Seneta (eds) [Book review Statisticians of the centuries]. Kwantitatieve Methoden.
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| Moerbeek, M., Breukelen, G.J.P. & Berger, M.P.F. (2001). Optimal experimental designs for multilevel logistic models. Journal of the Royal Statistical Society, 50(1), 17-30.
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| Moerbeek, M., Breukelen, G.J.P. & Berger, M.P.F. (2001). Optimal experimental designs for multilevel models with covariates. Communications in statistics. Part A, theory and methods, 30(12), 2683-2697.
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- Methodologische en Statistische aspecten van Sociaal Wetenschappelijk onderzoek (Academische master Jeugdstudies).
| Name | dr. Moerbeek, M. (Mirjam) |
| E-mailaddress | M.Moerbeek@uu.nl |
| Phonenumber | +31 30 2531450 |
| Faxnumber | 030-2535797 |
| Visitingaddress | Heidelberglaan 2 3584 CS Utrecht |
| Building | Willem C. Van Unnikgebouw: 516 |
| Roomnumber | |
| Postaladdress | PO Box 80140 3508 TC Utrecht the Netherlands |
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