About time

Eleven years before its more notorious prison experiment, Stanford University introduced the world to a subtler but just as intriguing exercise – a landmark study in delayed gratification known now as the Stanford Marshmallow Experiment. Children aged between four and six were taken into an empty room, then presented with a treat of their choice – a cookie, marshmallow or pretzel. The children were allowed to eat this treat, but were told that if they could wait for 15 minutes without giving in to temptation, they would be rewarded with a second tasty reward.

About time