> about 7% of people were consistent HEs, never endowing their partners with any coin. They discovered that another 9% were quasi-HE (or qHE), giving their part

> about 7% of people were consistent HEs, never endowing their partners with any coin. They discovered that another 9% were quasi-HE (or qHE), giving their partners money a small proportion of the time. About a quarter of people consistently gave them a hefty chunk of change. These people were called Consistent Cooperators or CCs. And everyone else was in the middle, so the researchers called them Ordinary People (or ORDs) According to another notation out there... * the 16% HE+qHE's are called "Sociopaths" * the 60% ORD's care called "Clueless" * the 25% CC's are called "Losers"