evaluation of the psychometric properties scale of dark triad of personality

purpose: the aim of present study was to examining the psychometric properties of the iranian version of short dark triad (sd3) in students. methodology: the study sample consisted of bu-ali sina university students in 2015-2016. 376 students were selected based on multi-stage cluster sampling. to study psychometric characteristics of the scale, dark triad scale was translated with double-translation technique and finally, to evaluate the psychometric properties of the scale, it was administered along with millon clinical multiaxial inventory (mcmi), barratt impulsiveness scale (bis) and narcissistic personality inventory (npi-16). collected data was analyzed and reliability, validity indicators and confirmatory factor analysis were calculated. findings: analysis of the collected data showed that the scale has the reliability of 0.65 to 0.82 alpha coefficients in three subscales, in addition, the concurrent validity of the scale with subscales of psychopathy, narcissism machiavellianism millon clinical multiaxial inventory (mcmi), attentional impulsiveness, motor impulsiveness and non-planning of barratt impulsiveness scale (bis) and narcissistic personality inventory (npi-16) was equal to 0.21, 0.31, 0.52, 0.33, 0.18 and 0.37 respectively. moreover, the results of confirmatory factor analysis supported the factor structure of the questionnaire. short dark triad (sd3) has favored psychometric properties in iranian students.