The Psychology of Tipping

How can waiters increase their tips? Would you believe psychologists have devoted a great deal of research to this question? We've looked at the effect of smiley faces, touching, crouching, telling jokes, giving customers a fun task to do, and drawing suns on checks (yes, suns). Join me as we take a look at what waiters and waitresses can do to increase the amount of the tip their customers give them.