“…As Fredrickson and Cohn (2008) state, positive affect is the major trigger of active engagement with the learners' environment and his/her will to participate in classroom activities. Following MacIntyre and Gregersen (2012) who posited that positive emotions tend to broaden a person's perspective, opening him/her to absorb the language, some researchers investigated the generalizability of previous studies to the domain of foreign language learning focusing on such factors as emotion (Abdolrezapour, 2017a(Abdolrezapour, , 2017b(Abdolrezapour, , 2018, resilience and positive reappraisals (Chaffee et al, 2014), empathy (Mercer, 2016), flow and anti-flow (Czimmermann & Piniel, 2016), optimism (Gregersen & MacIntyre, 2014), and empathy, emotional intelligence, emotion regulation (Bielak & Mystkowska-Wiertelak, 2020;Oxford, 2020) pointing that these features bring long-term benefits by broadening attention and thinking (Fredrickson & Branign, 2005). However, MacIntyre et al (2019) called for more PP-inspired interventional studies using a wide variety of approaches that seek ways to boost EFL learners' skills.…”