In the experiment (), students played a computer game that () cash behind three doors
appearing on the screen. The rule was the more money you (), the better player you were, given a total of 100 clicks. Every time the students opened a door by () on it, they would use up one click but wouldn't get any money. However, each () click on that door would earn a () sum of money, with one door always () more money than the others. The important part of the rule was each door switch, though having no cash (), would also use up one of the 100 clicks. Therefore, the winning () was to quickly check all the doors and keep clicking on the one with the seemingly highest ().