“…These findings are also consistent with the results of many previous studies (Rhodes, Couneya, & Bobick, 2001;Conner & Abraham, 2001;Naseri, Pakdaman, & Asgari, 2008;Saklofske, Austin, Rohr, & Andrews, 2007;Arai & Hisamichi, 1998;Potgieter & Venter, 1995;Davis, Elliott, Dionne, & Mitchell, 1991;Yeung & Hemsley, 1997). Sports help in increasing more positive emotions such as happiness, liveliness, optimism and activity (David, Green, Martin, & Slus, 1997;Magnus, Diener, Fujita, & Pavot, 1993) and in decreasing the negative emotions such as fear, worry, anger and guilt (David et al, 1997;Robinson, Ode, Moeller, & Goetz, 2007). These necessities are closely related to the personality traits of extroversion and neuroticism (Nia & Besharat, 2010).…”