“…Several studies have emphasized the effective impact of self-esteem as a third variable (mediator/moderator) in explaining relationships between variables (e.g., Acun-Kapıkıran, Körükçü, & Kapıkıran, 2014;Ammirati, Lamis, Campos, & Farber, 2015;Koruklu, 2015;Savi-Çakar, 2014). According to Robins, Trzesniewski, Tracy, Gosling, and Potter (2002), when it comes to predicting well-being, although optimism and resilience are stable factors, they may change and fluctuate within the steps of self-esteem's development.…”