The present research aimed to study the correlation between big five personality factors; Neuroticism, extraversion, agreeableness, openness, loyalty and marital adjustment. The population is composed of all married employed teachers of the department of education in Nourabad, within the academic year 2014 - 2015. The sample size includes 154 married teachers (77 couples) who were chosen through simple random sampling. The instrumentation contains NEO-FF-I questionnaire, and twosome compatibility questionnaire (DAS). The data has been respectively collected through these two questionnaires which were related to five factors of personality and marital adjustment. The results of correlation coefficient show that among these five personality factors, Neuroticism has a meaningful and negative correlation with marital adjustment (P<0/001) and, extraversion, agreeableness (P<0/001), loyalty (P<0/005) have a positive and meaningful correlation with marital adjustment. It is noted that there is no correlation between Openness and marital adjustment. Also, the obtained results of regression analysis reveal that among these five factors, Neuroticism and agreeableness are the strongest indicators of marital adjustment respectively which have the power of prediction to a significant level. Undoubtedly, personal features and factors are very essential in marital adjustment so that it must be considered by counselors before marriage. Evaluation of personality features in couples by counselors can play as a key role in selecting the proper spouse and prevent the marital incompatibility and unsatisfactory.

Neuroticism, Extraversion, Agreeableness, Openness, Loyalty, Marital Adjustment