PERSONALITY AND SOCIAL PSYCHOLOGY BULLETIN Bleske-Rechek, Buss / OPPOSITE-SEX FRIENDSHIP Opposite-Sex Friendship: Sex Differences and Similarities in Initiation, Selection, and Dissolution

The authors hypothesized that people form opposite-sex friend-ships (OSFs), in part, to acquire long-term mates (both sexes), to gain short-term sexual access (men more than women), and to gain physical protection (women more than men). In Study 1, men and women evaluated reasons for initiating OSFs, charac-teristics preferred in an OSF, and reasons for ending OSFs. Study 2 extended the framework to include individual differ-ences in sociosexual orientation. Compared with women, men judged sexual attraction and a desire for sex as more important reasons for initiating OSFs, reported a preference for sexual attractiveness when selecting OSFs, and judged the lack of sex as a more important reason for dissolving OSFs. Women judged physical protection as a more important reason for initiating OSFs and the lack of it as a more important reason for dissolving them. Across sex, people with an unrestricted sexual style were more likely to perceive OSFs as opportunities for sex. Discussion addresses the implications of the results for understanding con-flict in OSFs. Why do people form opposite-sex friendships? And why do some opposite-sex friendships end? Although a number of relationship researchers have explore