Studies prove humor can improve your ability to persuade others. Take for example the results of a negotiation study featured in Fortune.com: For half the participants, when setting a final price for a piece of art, the seller smiled and added, “I will throw in my pet frog.” The benefits of the quip were clear: Buyers who heard the joke made greater price concessions than those who didn’t.
When trying to leverage the persuasive power of humor, you can use a witty remark or . . .