Blumstein and Schwartz (1983) suggested gay relationships were less stable than lesbian or heterosexual. We might expect this because men find sex without emotional commitment more acceptable than women do, however some studies have found the opposite to be the case. Kurdek (2003) found that lesbian relationships were shorter than those of gay men and Gottman et al (2003) also found that most relationship dissolutions were between lesbians. Kurdek's sample was well matched (all couples cohabiting, none with children). All were recruited the same way through adverts in the gay press, however some couples were lost each year. The sample was also predominantely well educated so not representative. Both Kurdek and Gottman's studies were longitudinal which is an advantage.
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