Optimism mediates the relationships between meaning in life and subjective and psychological well-being among late adolescents

background The concepts of meaning in life and well-being appear to have structural and functional connections, which become even more noticeable when examining their role in individuals’ daily functioning. One of the prospective variables which can play a mediational role between meaning in life and subjective and psychological well-being may be optimism, which also holds an important motivational value for young people. The aim of this study was to examine the predictive value of meaning in life and optimism, and indirect effects between meaning in life and subjective and psychological well-being among Polish late adolescents within the self-concordant model.