About women and lesbian sex, 'an experimental phase in college' is a litany in humor circles.  When it comes to casual sex among women, everyone seems to have an opinion, a statistic, and evidence, be it anecdotal or scientific. And no one is sure how "lesbians" and "lesbian sex" are qualified and quantified in any of these research missions. 

Writing in The Edge, Stephanie Schroeder says that as lesbian sex and homosexuality become more accepted, the popular perception of young lesbians as experimental consumers of casual sex is going away.

Hook-Ups or Hooked Up? The Evolution of Lesbian Sex