“…In team settings, meta-analytic reviews have demonstrated that collective efficacy has a medium to strong effect on team performance (Gully, Incalcaterra, Joshi, & Beaubien, 2002;Stajkovic, Lee, & Nyberg, 2009) and therefore we might also expect team attributions to influence team performance through changes in collective efficacy. Activation and variation in testosterone levels have also been shown to predict decisions to compete again (Mehta & Josephs, 2006), levels of cooperation (Mehta, Wuehrmann, & Josephs, 2009) and approachavoidance behaviours (Mehta, Jones, & Josephs, 2008).…”