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标题: [求助]GWD3-9 [打印本页]

作者: jackychew 时间: 2005-4-6 21:56
标题: [求助]GWD3-9

Q9:

Studies in restaurants show that the tips left by customers who pay their bill in cash tend to be larger when the bill is presented on a tray that bears a credit-card logo. Consumer psychologists hypothesize that simply seeing a credit-card logo makes many credit-card holders willing to spend more because it reminds them that their spending power exceeds the cash they have immediately available.

Which of the following, if true, most strongly supports the psychologists’ interpretation of the studies?

The effect noted in the studies is not limited to patrons who have credit cards.

Patrons who are under financial pressure from their credit-card obligations tend to tip less when presented with a restaurant bill on a tray with credit-card logo than when the tray has no logo.

In virtually all of the cases in the studies, the patrons who paid bills in cash did not possess credit cards.

In general, restaurant patrons who pay their bills in cash leave larger tips than do those who pay by credit card.

The percentage of restaurant bills paid with given brand of credit card increases when that credit card’s logo is displayed on the tray with which the bill is prepared.

作者: jackychew 时间: 2005-4-6 22:03

请问：我的第一感觉也是选B，但是看见E项后，觉得B进行的推理与题干中所述the tips tend to be larger相悖，不妥。因为试想：为何吃饭的都是in good financial status的人呢？若是的话，B就没有意义了；若不是，那么B正确的话，题干则不成立了。（从逻辑思路上说，应该是B项的好，但因为有了E，想得太多反而选E了。）请NN指教本题的制胜思路，或解CR时遇到类似困惑的排疑思路。

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