摘要：Abstract The present study investigates the occurrence of communication and friendship among male and female university students of Sanandaj city by considering their personality traits (Neuroticism, Extraversion, Agreeableness, Openness, and Conscientiousness). Contrary to the other studies in this field, which focused their attention on individual, social, and family factors, this study investigates the role of personality trait on tendency toward accepting these affairs. Research population in this descriptive-correlation study includes male and female university students from Post-diploma to M.A level at state and non-state universities of Sanandaj. Sampling is done by two-phase random cluster sampling method which considers all the samples in second phase in the mentioned cluster (male and female students of each class). Totally 467 university students in 23 cluster or class took part in this study in the second educational semester of 2010-2011. Descriptive results of this study are in accordance with other related studies in this field. Regression analysis of the results proves that neuroticism and extraversion personality trait have a meaningful contribution toward the pre-marital affair with the opposite sex.Pre-marital affair with opposite sex among university students is highly affected by their personality traits.
