(Commentary by W. Bradford Wilcox, professor of sociology and director of the National Marriage Project) Up until now, there hasn’t been a study of the impact of internet fidelity – or the lack thereof – on real-world relationships. So, with a new nationally representative survey from YouGov, The National Marriage Project at the University of Virginia and the School of Family Life at Brigham Young University set out to explore the association between people’s attitudes and behaviors regarding what social scientists call “attractive alternatives” online and the quality of their relationshi...