Mirjam Moerbeek is an Associate Professor at the Department of Methodology and Statistics , Faculty of Social and Behavioural Sciences , Utrecht University , Netherlands. She holds a PhD in Applied Statistics (Maastricht University, 2000) and a MSc in Biometrics (Wageningen Agricultural University, 1996). Her work focuses on statistical power analysis and optimal experimental design for hierarchical and survival data , with over 100 peer-reviewed publications. Education MSc in Biometrics (cum laude), Wageningen Agricultural University (1996) PhD in Statistics, Maastricht University (2000) Research Focus Statistical power analysis Optimal design theory Multilevel modeling Survival analysis Cluster randomized trials Stepped-wedge trials Recent Publications Bayesian sample size determination for longitudinal studies Optimal group sizes in Bayes factor analysis Robustness in cluster randomized trials Cost-efficient designs for social and biomedical sciences Scientific Awards NWO Veni Grant (2003) NWO Vidi Grant (2008) NWO Open Competition Grants (2006, 2022) Ius Promovendi (2023) Organizational Roles President, European Association of Methodology (2023–2025) Vice President, European Association of Methodology (2021–2023) Co-Organizer, International Conference on Multilevel Analysis (2009–2022) Chair, VI European Congress of Methodology (2014) Editorial & Review Activities Editorial Board, PLOS ONE (2014–2017) Peer Reviewer, Tijdschrift voor Psychiatrie Scientific Committee, European Congress of Methodology Consultant for multilevel analysis software









