Abstract The main purpose of this study was to present an account of the development and examine psychometric properties of Sexual Knowledg and Attitude Scale (SKAS) including construct validity, convergent and discriminant validity, internal consistency, and test-retest reliability. Eight hundred and thirty seven Iranian men and women (385 men, 451 women) participated in this study, voluntarily. All participants were asked to complete the SKAS, The Golombok-Rust Inventory of Marital State Questionnaire (GRIMS), The Romantic Relationship Scale (RRS), and the Mental Health Inventory (MHI-28). The results of explarotary factor analysis supported a single general factor of sexual knowledg and attitude and a two factor structure including Sexual Knowledg and Sexual Attitude. The convergent and discriminant validity of the SKAS were supported by an expected pattern of correlations between the scale and the measures of marital problems, romantic dependency, romantic insecurity, psychological well-being, and psychological distress. All correlation coefficients between the mean scores on the SKAS and scores of the marital problems, romantic dependency, romantic insecurity, psychological well- being, and psychological distress were statistically significant. Coefficient alpha estimates of internal reliability were between .84 and .94 for the SKAS subscales. Test-retest reliability of the SKAS was also calculated at the range of .76-.87. All correlations were statistically significant. It was concluded that the SKAS can be considered as a reliable and valid scale to measure sexual knowledg and attitude in Iranian samples.

Keywords: Sexual Knowledg and Attitude Scale (SKAS), reliability, validity, psychometry

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