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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Manfred te Grotenhuis Radboud University Nijmegen, Netherlands

Manfred 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 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 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.