... In all types of relationships, research consistently shows that verbal aggressiveness leads to negative outcomes (Anderson & Martin, 1995;Bekiari, 2012Bekiari, , 2014Bekiari & Manoli, 2016;Bekiari & Sakellariou, 2002;Infante, Myers, & Buerkel, 1994;Infante & Rancer, 1996;Manoli & Bekiari, 2015). Concerning education system, it has been supported that verbal aggressiveness is a demotivating force in the classroom (Gorham & Christophel, 1992) that is negatively related to social, task and physicalattraction (Syrmpas & Bekiari, 2015), perceptions of immediacy (Martin, Weber, & Burant, 1997;Rocca & McCroskey, 1999), student affect toward the course content, the teacher and the recommended course behaviors (Bekiari, 2012;Myers & Knox, 1999;Wrench & Richmond, 2004), motivation climate and satisfaction (Bekiari, 2014;Bekiari, Perkos, & Gerodimos, 2015;Bekiari & Syrmpas, 2015;Claus, Chory, & Malachowski, 2011;Manoli & Bekiari, 2015;Myers, Edwards, Wahl, & Martin, 2007;Myers & Rocca, 2001;Schrodt, 2003), student prosocial fair play (Hassandra, Bekiari & Sakellariou, 2007) and behavior, thinking, motivation Mazer & Stowe, 2016;Richmond & Gorham, 1992). Additionally, students consider teachers verbally aggressive as less reliable than teachers avoid unconstructive communication in the classroom (Bekiari, Koustelios, & Sakellariou, 2000;Mazer & Stowe, 2016;Schrodt, 2003). ...