Everyone likes things that are free, and businesses often give things for free to customers as a way of getting more people to pay attention to their products.
Ariely, a scientist from MIT, did an experiment on what people would do when _21_ things that were free. He _22_ a group of students two kinds of chocolates: the good one for 15 cents each and the poor one for 1 cent each. The good chocolate was worth ＄1,00, so 15 cents was very cheap, _23_ the poor quality chocolate was worth 5 cents, so _24_ it for 1 cent wasn’t very cheap.
Most people chose the high quality chocolate for 115 cents. That’s not a _25_. But then Ariely lowered the _26_ of both pieces of chocolate by 1 cent. If people were _27_ correctly, then they should _28_ choose the good quality chocolate. But that _29_ what happened. Most people chose the free chocolate. This doesn’t make sense in our _30_ way of understanding economic behavior (经济行为).
What is happening here? Ariely _31_ that people want to get a good bargain, but they also want to reduce risk (风险). That is, they want to _32_ the chance of making a _33_. If you pay 14 cents for a piece of chocolate, and then you don’t _34_ like it, when you have it, you have lost 14 cents. But when something is free and you don’t like it, you haven’t lost anything. People would _35__ not to take a risk over getting a better bargain. 【題組】24. (A) getting (B) holding (C) eating (D) making
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