“…Teachers' personality and exposure during the lesson have a great impact on students' thinking, motivation, emotions, attitudes, and behavior (Horn, 2002;Infante & Rancer, 1996;Rancer & Avtgis, 2014). Effective teaching and learning conditions are achieved through teachers' positive communication behaviors (Mazer, Murphy, & Simonds, 2007;Scott & Wheeless, 1977). Particularly, teachers can promote affective learning (McCroskey, 1994;Rodriguez, Plax, & Kearney, 1996;Titsworth, 2001), positive classroom climate (Mazer & Hunt, 2008;Myers, 1995;Myers & Rocca, 2001), interpersonal relationships (Frymier & Houser, 2000) and students' motivation (Christophel, 1990;Frymier, 1994;Goodboy & Myers, 2008).…”