Mỗi sinh viên là một tuyên truyền viên tích cực

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Dear Dan,

I'm turning 30 in December, and I want to have a "nontraditional" celebration (kỷ niệm phi truyền thống). I'm thinking about re-creating some economics experiments (thí nghiệm kinh tế học) at my party.

Here's the plan: Lots of alcohol and yummy appetizers (đồ khai vị) at a fancy place here in Dallas. Computers scattered (rải rác) across the room with small apps, each running a different experiment. After all, how many parties do you go to where you get to have fun, have too much to drink and learn something about economics? Any advice?

—Virginia

I really love your idea—and here is a suggestion (gợi ý) for an experiment relating to dishonesty (không trung thực). Give each of your guests a quarter (đồng xu) and ask them to predict whether it will land heads or tails, but they should keep that prediction (dự đoán) to themselves. Also tell them that a correct forecast gets them a drink, while a wrong one gets them nothing.

Then ask each guest to toss the coin and tell you if their guess was right. If more than half of your guests "predicted correctly," you'll know that as a group they are less than honest. For each 1% of "correct predictions" above 50% you can tell that 2% more of the guests are dishonest. (If you get 70% you will know that 40% are dishonest.) Also, observe if the amount of dishonesty increases with more drinking. Mazel tov, and let me know how it turns out!

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