A university professor has selected the names at random from a telephone directory, and sent them complete strangers his Christmas cards. Christmas cards addressed to it streaming back, all by people who knew him, and, moreover, have never heard of him.
In another study, researchers Dennis Regan, two individuals trying to sell lottery tickets to unsuspecting workers. An individual is an effort of conscience to all employees before selling to indulgeTickets. The other made a point of rude and negative effects on workers. During a break, the person who has previously bought or not against drinking before getting his chance to buy tickets. The study results showed that the rude person actually sold twice as many games, even if the other was much more beautiful and attractive.
Another time a man was stranded on the side of the road because his car was gonegas. A young man moved and identified himself as a friend of the daughter of a man. He took the man to fill up and then brought him back to his car to thank. Of course, feel the man said: "If you need anything, just ask." Three weeks later, the capital for the offer, the young man asked if the man to give expensive cars. Man is the best of our knowledge, shouted: "Are you crazy?" I do not know if we can trust this child, so do immediately in one piece! "ButThe psychological pressure on its obligation to respect the young man sat against his better intuition for the young and has lent his car.
The pressure to respond is strong enough that when people do not return the favor, they are regarded with contempt and disgust. The acceptance of gifts or favors, will not attempt to return to their gender, as selfish, greedy considered, and heartless. It is often the result of this rigorous internal and external pressure to make sure that people respect the principle ofReciprocity.