In a negotiation experiment (N = 248) sex, equity sensitivity, and gender pairings were used to test six hypotheses. Results indicate that sex and equity sensitivity were predictive of subjects' relationship pr~eren~es~ andsex, but not equity sensitivity, ~as~red~~t~~~e ofsubje~ts ' measured assessment of the re~atio~~hi~ preferences of the opponent. Equity sensitivity was also not signl~cant~y correlated with subjects' satisfaction. Sex and sex within a role (seller versus buyer) was also found to influence settlement amount with males besting their female opponents when in mixed-sex pairs and with male sellers outperforming female sellers. Y%e d~~eren~es between males and females in settlement offers made appeurs to be one explanation for males' success relative to fernares : Suggestions for expanding the range of measured outcomes in negotiation and implications for incorporating individual dfferences into negotiation research are discussed.As one of the basic processes of human behavior, bargaining behavior is prevalent both in interpersonal and in organizations interactions. The study of this basic process has iargely focused on formal negotiations or laboratory settings simulating formal negotiations (see the review by Wall & Blum, 1991). One of the foci of this body of research has been negotiator characteristics and the influence that the characteristics have upon both the negotiation process and outcomes. Studies have found significant effects on the negotiation process or outcomes for some negotiator characteristics including such variables as personality characteristics (