Furthermore, when the options were fixed so that a boy could not give his group more without sacrificing profits for both groups, the boys still chose to maximize the difference in rewards between groups.
This study showed that the boys in question were more interested in going with the option that provided the largest chance of a larger reward than the other groups would receive.
Take an excursion east to the quiet medieval town of Albenga, with its Romanesque-Gothic houses around the 11th- to 14th-century cathedral and early Christian (fifth-century) baptistery.