Analyzing the neutrality of referees during 12 German premier league (1. Bundesliga) soccer seasons, this paper documents evidence that social forces influence agents’ decisions. Referees, who are appointed to be impartial, tend to favor the home team by systematically awarding more stoppage time in close matches in which the home team is behind. They also favor the home team in decisions to aw...

This study aimed to describe the work-rate profiles of referees during soccer matches and record heart-rate responses during these games. Using video-recordings 14 referees were observed and their heart rates during the games were monitored by short-range radio telemetry. These included 11 football league matches. The exercise intensity was largely submaximal with a change in activity every 6 s...

Between January 2009 and October 2013, 49 states and the District of Columbia passed laws focusing on mitigating the consequences of traumatic brain injuries (TBIs) in organized youth sports. Using historical, contextual, and empirical methods, this Article describes the content, goals, and structure of youth sports TBI laws, while hypothesizing about their underlying legislative logic and long...

This research is motivated by the problem that there are still referees who do not know about philosophy and their role as volleyball referees, besides should continue to develop themselves in terms of knowledge duties continuing practice leading matches or taking refereeing courses upgrading. study aims determine referee's referee a match. method uses descriptive quantitative with survey techn...