Another breakthrough in the study of the obvious......
Parents who succumb to fits of road rage are also more likely to blow a fuse at their children's sporting events, according to U.S. research.
"Taking things personally is a strong trigger for anger"
Those identified as "control-oriented" more often viewed the actions on the field as a personal affront, and reported more feelings of aggression than parents identified as "autonomy-oriented", or less affected by external factors.
You now have scientific research to back you when you think the guy yelling at a Little League umpire is a hotheaded jerk.