Manfred te Grotenhuis (PhD, Sociology, Radboud University Nijmegen, The Netherlands) is an assistant professor of quantitative data analysis at Radboud University Nijmegen and an affiliate of the Interuniversity Center for Social Science Theory and Methodology (ICS). He does research and teaching in inferential statistics, age-period-cohort models, multilevel modeling, event history analysis, and SPSS syntax. Grotenhuis has published extensively in a wide variety of journals, including the "American Journal of Sociology", "American Sociological Review", "Demography", and the "International Jou...