The Hungarian Version of Sociosexual Orientation Inventory Revised (SOI-R): Sex and Age Differences

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Abstract
Affectionless, uncommitted sexual behavior was formerly interpreted in psychology as a function of individual decisions, a kind of intrapsychic variable. Sociosexual orientation is directly linked to reproductive success, so among other issues, measuring sociosexual orientation has been of great interest for evolutionary scientists. Most recently Penke and Asendorpf (2008) prepared the revised version of Sociosexual Orientation Inventory (SOI-R), which has been used in dozens of studies since its publication. The aim of the current study was to test the usability of the Hungarian version and to analyze the factor structure and internal reliability of the inventory. It was translated and the structure was analyzed on a Hungarian sample (n = 1345, females = 832, males = 513; age: M = 26.37 years, SD = 8.75, range: 16-74). Our results show that the Hungarian version has the same three-factor structure as proposed by Penke and Asendorpf (2008) and is a reliable inventory for further studies of sociosexuality. The sociosexual scores of the two sexes statistically differ in the expected direction: women show lower SOI scores than men. Sociosexual desire decreases with age, whereas older participants report less restricted sociosexual behavior. Sociosexual attitude is uneffected by age. Results are discussed from both evolutionary and life-span developmental points of view.

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