When you ask someone to do something, be sure to include the statement that they are free to choose to do it or not. Adding this phrase doublesthe likelihood they will do it.
A detailed analysis of more than 22K subjects in 42 separate psychology studies demonstrates this startling result. The simple act of telling people they don’t have to do something makes it much more likely they will. In the studies, subjects donated more money to charity, agreed more readily to....