An individual's perception of God is shaped by their daily experience and feelings towards deity and is acquired during the individual’s encounter with sacred- relate objects. The aim of the current study was the prediction of life satisfaction from representation of God in medical sciences students. This study has a correlative research design. To accomplish the stated goal 130 students were selected by means of proportional stratified sampling procedure. The image of God Inventory (Lawrence, 1997) and satisfaction with life scale (diener et al., 1985) were administered on them. Analysis of data using a multiple regression analysis revealed that the magnitude of life satisfaction can be predicted from the quality of student's representation of God (R² = 0/20). Moreover, data revealed that students who had a positive and accepting representation of God were higher in life satisfaction than students who had a negative representation of God.

The investigation of personality and emotional determinants in individual attitudes toward life and marital relationship, due to its key role in physical and psychological well-being, has been the object of various research. This research was conducted with the goal of studying the core self-evaluation as a personality trait, on the one hand, and loneliness as an emotional variable, to predict life satisfaction and marital satisfaction in married women. The reseach method is correlation. To this end, 150 participants were selected by convenient sampling from Tehran city. The assessment tools include Loneliness Scale, Relationship Assessment Scale, Satisfaction with Life Scale and Core Self-evaluation Questionnaire. The result of administrating the Pearson's correlation test and analysis of stepwise regression showed a strong positive correlation between core self-evaluation, life and marital satisfaction, and strong negative correlation between loneliness, life and marital satisfaction in married women (P≤0.001). Also, the role of core self-evaluation and loneliness in relation with family and friends to predict life and martial satisfaction was confirmed. Strengthening positive stable components of personality in forms of counseling, intervention and treatment is effective in the beginning and continuation of a successful marriage.