“…We can talk today about a coherent system of ideas on the sports group psychology. Most research on the small sports group focuses on the system of preferential relationships, the team cohesion and dynamics (Carron, Bray, & Eys, 2002;Esfahani, Soflu, & Assadi, 2011), the leadership typology and task cohesion (Smith, Arthur, Hardy, Callow, & Williams, 2013) or on cohesion, intra-team communication and team member satisfaction and desire to remain (Onağ & Tepeci, 2014). Building a homogeneous, cohesive sports group is one of the priority objectives in the activity carried out by the teacher-coach, because, as stated by Carron et al (2002), the connection between cohesion and performance is reciprocal, meaning that strong cohesion increases team performance, and team success increases group cohesion.…”