In psychologically sustainable environment individuals are supposed to be able to maintain self-esteem, which has been found to be positively correlated with psychological well-being across cultures. In the present study, we focused on the effect of fluctuation in self-esteem and its relationship with motivations for self-improvement and achievement. Undergraduate students were asked to report their daily self-esteem as well as a questionnaire about self-improvement and achievement motivations. The results showed that the fluctuation of daily self-esteem is positively related to both motivation for achievement and self-improvement, indicating that fluctuation of self-esteem can be beneficial for psychological well-being. The result further suggests that individuals to heighten or lower their self-esteem in response to events relevant to self-evaluation in sustainable psychological environment.
self-esteem, self-improvement motivation, achievement motivation, well-being