A Psychometric Comparison of Three Scales and a Single-Item Measure to Assess Sexual Satisfaction |
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| Authors: | Kristen P. Mark Debby Herbenick J. Dennis Fortenberry Stephanie Sanders Michael Reece |
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| Affiliation: | 1. Department of Kinesiology and Health Promotion , University of Kentucky;2. Center for Sexual Health Promotion , Indiana University;3. Center for Sexual Health Promotion , Indiana University;4. Department of Applied Health Science , Indiana University;5. Division of Adolescent Medicine, Indiana University, Purdue University–Indianapolis;6. Kinsey Institute for Research in Sex, Gender, and Reproduction, Indiana University;7. Department of Gender Studies , Indiana University |
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| Abstract: | This study was designed to systematically compare and contrast the psychometric properties of three scales developed to measure sexual satisfaction and a single-item measure of sexual satisfaction. The Index of Sexual Satisfaction (ISS), Global Measure of Sexual Satisfaction (GMSEX), and the New Sexual Satisfaction Scale–Short (NSSS-S) were compared to one another and to a single-item measure of sexual satisfaction. Conceptualization of the constructs, distribution of scores, internal consistency, convergent validity, test-retest reliability, and factor structure were compared between the measures. A total of 211 men and 214 women completed the scales and a measure of relationship satisfaction, with 33% (n = 139) of the sample reassessed two months later. All scales demonstrated appropriate distribution of scores and adequate internal consistency. The GMSEX, NSSS-S, and the single-item measure demonstrated convergent validity. Test-retest reliability was demonstrated by the ISS, GMSEX, and NSSS-S, but not the single-item measure. Taken together, the GMSEX received the strongest psychometric support in this sample for a unidimensional measure of sexual satisfaction and the NSSS-S received the strongest psychometric support in this sample for a bidimensional measure of sexual satisfaction. |
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