“…Finally, results are in accordance with other studies supporting that verbal aggressiveness is negatively related with students' intrinsic motivation and instructors' responsiveness (Bekiari, 2012(Bekiari, , 2014Bekiari, Perkos, & Gerodimos, 2015;Hamilton & Hample, 2011) and positively related with assertiveness (Bekiari & Pylarinou, 2017). Additionally, it is revealed that instructors' personality plays a determinant role in students' behavior, emotions, tactics and attitudes (Horn, 2002;Infante & Rancer, 1996;Rancer & Avtgis, 2014). Moreover, perceived verbal aggressiveness proved to be the most important predictor of students' Machiavellianism, which is in accordance with previous findings showing that instructors' verbal aggressiveness is positively related with students' Machiavellian tactics, such as amoral manipulation, desire for status, desire for control, distrust and antisocial fair play behaviors, such as gamesmanship and cheating (Bekiari, 2017;Hassandra, Bekiari, & Sakellariou, 2007).…”