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Two studies explored whether or not personal experiences of romantic jealousy relate to individual differences in personality by means of the Big Five model of personality. Study 1 examined how scores on the Interpersonal Jealousy Scale relate to the Big 5 dimensions of personality. Seventy-one participants were administered the Interpersonal Adjective Scale Revised: Big Five version (IASR-B5;Trapnell & Wiggins, 1990), the Interpersonal Jealousy Scale (IJS; Mathes & Severa, 1981), and a shortened version of the Marlowe-Crowne Social Desirability Scale (Strahan & Gerbasi, 1972). Study 2 examined how reactions to emotional and sexual infidelity relate to the Big-5 dimensions of personality. Seventy-seven participants were administered the IASR-B5 and Marlowe-Crowne Social Desirability Scale, as well as infidelity scenarios that described either an emotional or sexual infidelity situation (Wiederman & Kendall, 1999). Exploratory hypotheses suggesting that Neuroticism, Extraversion and Openness to experience might be predictors of: jealousy (Study 1), and reactions to a partner's commission of sexual and emotional infidelity (Study 2) were not confirmed. The Big-5 dimensions of personality were not related to jealousy scores or reactions to infidelity. The implications of these findings are discussed.

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