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. 事实：餐厅付现金顾客，帐单盘上面有信用卡LOGO的，会付比较多小费 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. 诠释/假说：看到LOGO --> 让有信用卡的人想起"其实我可以预借现金"(误) 可花的钱比手上有的现金还要多(正) Which of the following, if true, most strongly supports the psychologists' interpretation of the studies? 选支持该诠释的 (A) The effect noted in the studies is not limited to patrons who have credit cards. 诠释讲的是有信用卡的，A选项说这个效应对没有信用卡的人也成立 对该诠释有削弱作用，因为这个选项引申出有信用卡之外的原因使得顾客多付小费 (B) 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. 正解(请参阅前文) (C) In virtually all of the cases in the studies, the patrons who paid bills in cash did not possess credit cards. 几乎所有研究里面付现金的顾客都没有信用卡，也就是说诠释里面所假想的客群 根本不存在(有信用卡却付现金)，一样削弱 (D) In general, restaurant patrons who pay their bills in cash leave larger tips than do those who pay by credit card. 无关选项。付现金的顾客通常比信用卡顾客付更多小费 但该假说是要解释 "看到信用卡LOGO" --> "付较多小费" 之间的连结 完全没提到LOGO (E) 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. 无关选项。上面出现A信用卡的LOGO，餐厅使用A信用卡结帐的比例就会变高。 跟信用卡种类无关，另外也没提到小费多寡 --

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