“…− cohesion may influence the satisfaction of the group members -in a cohesive group, individuals have high morale, high self-esteem, share feelings of security, high level of participation to the group life, etc (Widmeyer & Williams, 1991;Andrews et al, 2008, Marcos et al, 2010Taghizadeh & Shojaie, 2012;Paradis & Loughead, 2012;Carless andDe Paola, 2000, cited in McLeod &von Treuer, 2013;Onag & Tepeci, 2014;Spink et al, 2005, Wolf et al, 2015, cited in Eys & Kim, 2017Haddera, 2016;Filho, 2019); − cohesion may have consequences on performance -positive and negative effects on group performance are reported (Brawley, 1990;Evans & Dion, 1991;Gully, Devine, & Whitney, 1995;Abric, 1996;Chang and Bordia, 2001;Gammage et al, 2001;Carron et al, 2002b and2002c;Shapcott et al, 2006;Chang et al, 2006;Sopa & Pomohaci, 2014;Beal et al, 2003, Mullen & Cooper, 1994, cited in Salas et al, 2015Eys et al, 2015;Muthiane et al, 2015;Smith, 2015;Carron, 2005, Rovio et al, 2009, Shapcott & Carron, 2010, Bruner et al, 2014, cited in Eys & Kim, 2017. − cohesion exercises influences, often negative ones, on group thinking (Janis, 1972;Oberlé, 1995) The new theoretical approaches -in contradiction with the classic models studying the phenomenon of cohesion, discussing cohesion as a result of the interdependence of the individuals with a role in ...…”