Imagine walking into a busy mall when someone approaches you with an open hand. “Would you have some coins to take the bus, please?” he asks. But in this case, the person is not a panhandler. The beggar is a PhD. As part of a French study, researchers wanted to know if they could change how much money people gave to a total stranger using just a few specially encoded words. They discovered a technique so simple and effective it doubled how much people gave.http://techcrunch.com/2013/07/13/why-behavior-change-apps-fail-to-change-behavior/
via TechCrunch