Denny Kerkhoff studied organizational psychology at Ruhr-Uni-Bochum and statistical sciences at Bielefeld University, obtaining a master’s degree in 2016. As a doctoral student at Konstanz University, they conducted research on the estimation quality in three-level random effects models and obtained a Ph.D. in 2023 (supervisors: Prof. Fridtjof W. Nussbeck and Prof. Axel Mayer). Currently, D. Kerkhoff is currently a postdoctoral researcher at Bielefeld University.