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SSS 2010-09-13

时间:2010-10-08 05:40来源:互联网 提供网友:xn0006   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American’s 60-Second Science. I’m Christopher Intagliata. Got a minute?

On September 10th we reported that people will pay more for snacks within reach. Now, another finding for the shopping science files—when you're trying to decide between two snacks on the shelf, chances are you'll choose the one you look at just a fraction of a second longer. The study appears in the journal Nature Neuroscience.

Researchers recruited 39 students who are self-professed snack food junkies. They had the students fast for three hours, before rating the tastiness of snack foods like candy and chips. Then they asked the students to choose between pairs of snack foods they had previously1 rated as more or less equally desirable. And they tracked the subject’s eye movements

Just like when you're hovering2 in front of a grocery store shelf, the students looked back and forth3 several times, usually glancing first at the snack on the left. But 70 percent of the time, they ended up choosing the snack food they looked at for just a half-second longer. Which probably confirms something packaging designers have known for a while now—flashy, eye-catching wrappers could lure4 us into studying a snack for a bit longer—and, they hope, throwing it in our cart.

Thanks for the minute for Scientific American’s 60-Second Science. I’m Christopher Intagliata.


点击收听单词发音收听单词发音  

1 previously bkzzzC     
adv.以前,先前(地)
参考例句:
  • The bicycle tyre blew out at a previously damaged point.自行车胎在以前损坏过的地方又爆开了。
  • Let me digress for a moment and explain what had happened previously.让我岔开一会儿,解释原先发生了什么。
2 hovering 99fdb695db3c202536060470c79b067f     
鸟( hover的现在分词 ); 靠近(某事物); (人)徘徊; 犹豫
参考例句:
  • The helicopter was hovering about 100 metres above the pad. 直升机在离发射台一百米的上空盘旋。
  • I'm hovering between the concert and the play tonight. 我犹豫不决今晚是听音乐会还是看戏。
3 forth Hzdz2     
adv.向前;向外,往外
参考例句:
  • The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。
  • He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。
4 lure l8Gz2     
n.吸引人的东西,诱惑物;vt.引诱,吸引
参考例句:
  • Life in big cities is a lure for many country boys.大城市的生活吸引着许多乡下小伙子。
  • He couldn't resist the lure of money.他不能抵制金钱的诱惑。
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