Inside the Nudge Unit

Inside the Nudge Unit

How small changes can make a big difference

David Halpern

Several studies have indicated that eyes or faces looking at us tend to make us behave more virtuously. Hence, posters with faces looking at us have been shown to increase substantially the likelihood that people will, for instance, clear away their trays in a canteen or use an honesty box in an unsupervised environment, while other images and messages had little effect.

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