Hanna Rosin's article on the “hookup culture” and how it empowers women disagees with Kay S. Hymowitz, who found that the least empowered women were least likely to marry. The only part of the study that came close to looking at control groups had a sample size of 53:
The researchers found their first day of interviewing so enlightening that they decided to ask the administration if they could stay on campus for four years and track the 53 women’s romantic lives.I won't more than mention that the study might have indicated the opposite of Ms. Rosin's claim.
