“…That they feel competent in solving the problem makes positive contribution to their problem-solving skills (Korkut, 2017;Yenice, 2012). Some studies revealed that having problem solving skill has an effect on decrease in aggression, anger, hostility (Seçer & Ogelman, 2011) and in negative behaviors (Bushman & Peacock, 2010), and on increase in social self-efficacy (Erözkan, 2013), positive emotion (D'Zurilla, Maydeu-Olivares, & Pujol, 2011) and interpersonal relationships (Joseph & Strain, 2010;Sumi, 2012). Negative thinking is referred to as negative approach to the problem.…”