Investigating the relationship between the satisfaction of basic psychological needs and satisfaction with life: the mediating role of motivation and psychological capital

Abstract The purpose of this study was to investigate the relationship between basic psychological needs and life satisfaction as well as the mediating role of Achievement motivation and psychological capital. The method used in this study was correlational, the path analysis. To do this research, 201 male and female students (110 girls and 91 boys) from Tehran University were selected by available sampling method And responded to the Basic psychological needs, Life satisfaction, Achievement motivation, psychological capital. Data analysis was done using R software. The results showed that the designed model was well fited to the data. According to the findings of this study, the relationship between basic psychological needs and life satisfaction was positively and significantly evaluated. In addition to direct impact, basic psychological needs and life satisfaction through intermediate variables Achievement motivation and psychological capital also have an indirect relationship.In general, we can approve the positive role of these factors in process of life.