0 the idea of using encouragement or suggestions to change people's behaviour while still giving them freedom to make their own decisions, rather than for example using laws, rules, or taxes:
Both Prime Minister David Cameron and President Barack Obama employed nudge theory to advance domestic policy goals.
Organ donation is an example of an area where nudge theory has worked, by asking people to "opt out" rather than "opt in".
Nudge theory has been used as a way to improve hand hygiene among health care workers.
These are instances in which government is involved more directly than nudging theory would suggest.
