Alfred DeMaris is Professor of Sociology and Statistician for the Center for Family and Demographic Research at Bowling Green State University in Bowling Green, Ohio. His substantive interests are focused on romantic relationships, including issues surrounding premarital cohabitation, the prediction of marital instability, the antecedents and consequences of violence in heterosexual dyads, the antecedents and consequences of extramarital sex and the operation of equity/inequity in marriage. His work in these areas has appeared in Social Forces, Social Psychology Quarterly, Journal of Marriage and Family, Journal of Family Issues, Family Relations, and Journal of Sex Research. His primary specialty in social statistics is regression modeling, in particular, logistic regression. His articles or chapters on this topic have appeared in Social Forces, Psychological Bulletin, The Handbook of Psychology, and Sociological Methods & Research, among other venues. He is also the author of Logit Modeling: Practical Applications (1992, Sage) Regression with Social Data: Modeling Continuous and Limited Response Variables (2004, Wiley), and Converting Data Into Evidence: A Statistics Primer for the Medical Practitioner (2013, Springer).