Manfred te GrotenhuisManfred te Grotenhuis (PhD, Sociology, Radboud University Nijmegen, The Netherlands) is an associate professor of quantitative data analysis at Radboud University Nijmegen and an affiliate of the Interuniversity Center for Social Scince 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 Journal of Epidemiology. He has been teaching statistics to students at Radboud University Nijmegen since 1995 and has written several introductory books on SPSS and statistics. Grotenhuis is the recipient of his university′s biennial teaching award.