For example, when DMVs ask a person to opt in to organ donation, only around 10% of people volunteer. When they are asked to opt out if they do not want their organs donated, the number of organ donation volunteers jumps to around 100%. Dan explains that this is not because people don’t want to check a box, but because when a decision is difficult to make, people often choose to do nothing -in this case, opting to avoid checking the box whatever that decision means.
