Effect of Relationship Length on the Experience, Expression, and Perceived Appropriateness of Jealousy

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Abstract
The effect of relationship length on the perceived appropriateness and intensity of the experience and expression of romantic jealousy among American students was explored. Linear increases in perceived appropriateness and intensity of jealousy were predicted. The results largely supported the hypotheses, with jealousy experience, expression, and perceived appropriateness of jealousy expression increasing over time. However, the perceived appropriateness of jealousy experience did not vary significantly across relationship lengths. Ethnic differences in perceptions of appropriateness of jealousy experience and expression were also found.