When it comes to casual sex, researchers have long referred back to the seminal 1989 study which suggested that men are more likely to accept a sexual invitation from a stranger than women are. But clever researchers from Johannes Gutenberg-Universität Mainz in Germany didn’t think this painted a fair picture of male vs. female sexual desire — they thought that perhaps the 1989 study left out important cultural context, like the potential for slut-shaming and the possibility of sexual violence that are unfortunately all too real to women.