In the other experiment, which used 13 groups, the researchers explored how the presence of an animal altered players' behaviour in a game known as the prisoner's dilemma.
But she also found many instances in which people escaped the prisoner's dilemma.
paradox of prisoner's dilemma
This poses “something of a prisoner's dilemma”, said one World Bank official attending a recent CAREC conference in Urumqi.
Raise the stakes: The prisoner's dilemma is based on the fact that the reward of defecting is far larger than cooperating.
It is a classic prisoner's dilemma: everyone would be better off if everyone hung back, but each individual does better for himself by pushing forward.
