The aim of this study was to evaluate factorial analysis, reliability and validity of the Scale of Turkish version of the Why Have Sex Questionnaire (YSEX?) which has been developed by Meston and Buss. The study was carried out with 401 healthy participants who live in the city of Adana and Istanbul. Very good correlation level was obtained for the item-total score. The scale also showed very good internal consistency (Cronbachs alpha: 0.97). According to Explanatory Factorial Analysis four large factors was yielded. Criterion related validity of YSEX? was shown with significant correlation between Eysenk Personality Questionnaire Revised-Abbreviated (EPQ- RA). Internal reliability, item-total correlation, factorial analysis and criterion related validity of the YSEX? indicated that the scale has acceptable reliability and validity for the Turkish population.
Why have sex? (YSEX?) questionnaire, factor analysis, reliability, validity