Changes Anyone's Mind With This Trick

On a mission to finally get rid of the clutter in your basement, you decided to have a yard sale. How to get your choice-averse sister to pitch in? Instead of explaining what she would gain by assisting you ("You'll have to first pick on the loot -- it will be fun!"), appeal to her empathetic side ("Ditching all this stuff will make me feel so much more relaxed"). According to research people are more willing to lend a hand when they hear how doing so will help others, rather than how they themselves will profit.