“…A bulk of research related to ACT, third and fourth wave approaches, and concepts related to these approaches and positive psychology showed that wellbeing (Dienere, Lucas, & Oishi, 2012;Stuntz, 2019;Yıldırım & Beren, 2019) is facilitated through cognitive flexibility (Creswell, 2017;Fledderus, Bohlmeijer, Smit, & Westerhof, 2010;Visted, Vøllestad, Nielsen, & Schanche, 2018), self-esteem and self-efficacy (Arslan, 2016;Marcionetti & Rossier, 2016), self-assurance (Sommers-Spijkerman et al, 2018), mindfulness (Arslan, 2017;Fredrickson, Cohn, Coffey, Pek, & Finkel, 2008;Tanhan, 2014), and positive affect (Arslan & Tanhan, 2019;LeBlanc, Uzun, & Aydemir, 2019).…”