Cash rewards can help motivate students to achieve good results—but the effect may not last long enough to get some kids to graduation.
Research suggests that to increase contributions, nonprofits can do more than appeal to pity—they can promise to never contact the donor again.
Recent evidence suggests that many people give to others largely to gain a “warm glow”—that satisfied feeling that follows doing a good deed.
Former US President George W. Bush accepted the ALS Ice Bucket Challenge. Leonardo DiCaprio, Mark Zuckerberg, and Kermit the Frog joined in. UK Prime Minister David Cameron and US President Barack Obama paid to avoid it.