By Emma Young

How can you discourage kids from copying each other on tests? You could always use a simple frame to separate them, or even a ruler to draw an imaginary line between their desks. When these behavioural “nudge” techniques were used in new research published in Current Directions in Psychological Science, they significantly reduced cheating among 5 to 6-year-olds. This shows “that even seemingly unremarkable features of children’s environments can nudge them to act honestly,” write the researchers, led by Li Zhao at Hangzhou Normal University in China.