在几项受控研究中，穆莱纳森和沙菲尔让普林斯顿大学的学生玩一个他们有机会“多借”几秒钟的定时电脑游戏，尽管这样做意味着在总体游戏时间中扣除两倍的时间。
In controlled studies, Mullainathan and Shafir asked Princeton University students to play a timed computer game in which they were given the opportunity to “borrow” extra seconds, even though doing so would mean forfeiting double the number of seconds from their overall time.