“…Men also report more casual sex partners (Baldwin & Baldwin, 1988;Laumann, Gagnon, Michael, & Michaels, 1994;Townsend, 1995;Traeen & Lewin, 1992) and are more receptive to sexual offers than women (Clark, 1990;Clark & Hatfield, 1989;Greitemeyer, 2005). However, several researchers have noted that it is statistically impossible to have a gender gap between male and female numbers of heterosexual STM-partners (Baumeister, Catanese, & Vohs, 2001;Brown & Sinclair, 1999;Pedersen, Miller, Putcha-Bhagavatula, & Yang, 2002;Wiederman, 1997). Several recent studies support this notion, showing that the gender gap in number of STM-partners is not as universal and robust as previously stated (e.g., Cubbins & Tanfer, 2000;Johnson et al, 2001).…”