“…Studies by Keller et al (2013Keller et al ( , 2014Keller et al ( , 2015 and Kunter et al (2008Kunter et al ( , 2011Kunter et al ( , 2013 found that teacher enthusiasm correlated with the high quality of teaching and positive outcomes of learning (i.e., enjoyment of students in learning). Additionally, Frenzel et al (2009) and Kim and Schallert (2014) found that perceived teacher enthusiasm can predict learning enjoyment and interest in students. Additionally, interest in learning was found to set significant precedents for boredom experienced by students (Daschmann et al, 2014), and interests in specific tasks were found to be negatively correlated with boredom (Tanaka and Murayama, 2014).…”