The present paper examines the relationships between relationship quality and three different types of jealousy, including both partners' levels of jealousy and perceptions of relationship quality. It was expected that jealousy in response to a direct threat to the relationship-that is, reactive jealousy-would be positively related to relationship quality, whereas forms of jealousy that may also be triggered in the absence of such a threat would be negatively related to relationship quality. Three studies were conducted among large community samples of heterosexual married and cohabiting couples (a total of 961 couples), using three different operationalizations of relationship quality. In all three studies both partners' levels of reactive jealousy related positively to relationship quality, whereas in all three studies, both partners' levels of anxious jealousy were negatively related to relationship quality. Findings and clinical implications are discussed.

The present study examined the relation between the type of relationship onset on the one hand and the degree to which partners have similar personalities and relationship quality on the other hand. It was hypothesized that partners who fell in love at first sight, relative to partners who got involved more gradually, entered into intimate relationships more shortly after they met, would have mates with less similar personalities, especially with regard to levels of extraversion, emotional stability and autonomy, and would report relatively low levels of relationship quality. In a sample of 137 married or cohabiting couples, it was found that, as predicted, partners who fell in love at first sight became romantically involved more quickly, and showed more dissimilar personalities with regard to levels of extraversion, emotional stability and autonomy. Partners who fell in love at first sight did not report lower relationship quality. Instead, partner personality trait similarity was related to relationship quality as a function of both relationship onset and specific personality traits. KEY WORDS: love • personality • relationship onset • relationship quality • similarityIt is usually reassuring and comforting to meet others who are like ourselves. Similar others do not only validate our beliefs about the world and ourselves but also reduce the risk of conflicts and disagreements (e.g., Byrne, 1971;Morry, 2005). The so called 'similarity-attraction hypothesis' Journal of Social and Personal Relationships

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The present study examined relations between different aspects of humor and relationship quality. Participants, 114 married or cohabiting heterosexual couples from the general community, with a mean relationship length of 22 years, completed a number of measures assessing these two themes. We expected different aspects of humor of both partners to be positively related to relationship quality. In addition, we expected partners to resemble each other with regard to the different aspects of humor, and similarity with regard to humor to be related positively to relationship quality. The hypotheses were partially confirmed. APIM analyses revealed only one significant actor and one significant partner effect of sense of humor. Partners did resemble each other with regard to sense of humor, but couple similarity with regard to sense of humor was unrelated to relationship quality.

The present study examines the personality characteristics of partners receiving marital therapy. On the basis of previous research, we expected partners in distressed relationships to be more neurotic and more introverted and to have lower self-esteem than partners in nondistressed relationships. 42 individuals receiving marital therapy were recruited and matched against 42 individuals in non-distressed relationships. All expectations were confirmed. Implications for marital therapy are discussed.