Depth of competition (IMAGE) University of Michigan Caption New research from the University of Michigan has introduced a metric that can quantify the depth of all sorts of competitions, including sports and video games, but also more social "contests," including university rankings and animal hierarchies, or pecking orders. Credit Kraig Sims/University of Michigan Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.