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GWD-10-Q29

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楼主
发表于 2008-7-15 19:27:00 | 只看该作者

GWD-10-Q29

Smithtown University’s fund-raisers succeeded in getting donations from 80 percent of the potential donors they contacted.  This success rate, exceptionally high for university fund-raisers, does not indicate that they were doing a good job.  On the contrary, since the people most likely to donate are those who have donated in the past, good fund-raisers constantly try less-likely prospects in an effort to expand the donor base
            
The high success rate shows insufficient canvassing effort.

A.      Smithtown University’s fund-raisers were successful in their contacts with potential donors who had never given before about as frequently as were fund-raisers for other universities in their contacts with such people.

B.       This year the average size of the donations to Smithtown University from new donors when the university’s fund-raisers had contacted was larger than the average size of donations from donors who had given to the university before.

C.       This year most of the donations that came to Smithtown University from people who had previously donated to it were made without the university’s fund-raisers having made any contact with the donors.

D  The majority of the donations that fund-raisers succeeded in getting for Smithtown University this year were from donors who had never given to the university before.

 More than half of the money raised by Smithtown University’s fund-raisers came from donors who had never previously donated to the university.

请问为什么啊?这道题totally不理解!!  D为什么不对?

请问为什么啊?这道题totally不理解!!  D为什么不对?

推荐
发表于 2010-10-8 20:10:45 | 只看该作者
这是个很典型的用总体规律去deduce 个体的现象的,这类题多数的选项都是说,个体的特征服从于整体
整体的特征就是 On the contrary, since the people most likely to donate are those who have donated in the past, good fund-raisers constantly try less-likely prospects in an effort to expand the donor base, 作者相当于用了一个整体性的common sense 去支持他对个体现象的判断This success rate, exceptionally high for university fund-raisers, does not indicate that they were doing a good job.
这就要说明该学校和其他学校一样是符合mainstream 的A选项就是这个意思
沙发
发表于 2008-7-15 21:04:00 | 只看该作者

题干说的是,S这帮人的总体成功率高不代表他们nb,因为以前捐过的更容易再次捐款,nb的筹款人都是去尝试联系那些成功率更低的捐款人(也就是没捐过的)来拓宽这个捐款群体,(那么越nb的也就总体成功率越低),总体成功率高的(像S这样的)说明找软柿子捏了。所以A说,如果让S这帮人也去联系那些没捐过的人捐款,他们的成功率也和其他人一样(successful as frequently as).

D totally反了,S搞成功的大多数都是软柿子...我想你题干肯定读懂了,只是A选项确实有点搞...找不到正确选项的时候就把读起来最拗口的那个选项再多读几遍,一般就是那个了...


[此贴子已经被作者于2008-7-15 21:04:47编辑过]
板凳
 楼主| 发表于 2008-7-15 21:19:00 | 只看该作者

还是有点不清楚唉。。。。

地板
 楼主| 发表于 2008-7-15 21:27:00 | 只看该作者

Which of the following, if true, provides more support for the argument?

忘了打上问题了

5#
 楼主| 发表于 2008-7-15 21:31:00 | 只看该作者

就是不太明白A为什么对

6#
发表于 2008-7-15 21:55:00 | 只看该作者

我都帮你翻译好了你还不懂啊。。。

在说一遍。题干:S的整体成功率高,那是因为他们专门找那些比较容易成功的人(曾经捐过的人)来联系了,A: 如果让他们去联系难成功的(没捐过的人),成功率也和其他人一样(不高)

7#
 楼主| 发表于 2008-7-15 22:02:00 | 只看该作者

那怎么加强结论了呢?

8#
发表于 2008-7-15 22:20:00 | 只看该作者

Rpd=success rate of getting previous donor to donate, Rnd=success rate of getting new donor, Rt=overall success rate, %pd=no. of previous donor/total contact pool,

Rt=Rpd*%pd+Rnd*(1-%pd)=(Rpd-Rnd)*%pd+Rnd, 如果S的Rnd和别人一样,而Rt高,那么可能是Rpd高或者是%pd高,支持了%pd高的结论。

9#
 楼主| 发表于 2008-7-15 22:58:00 | 只看该作者

你太强了   谢谢 

我正在复习中,想和你一起交流  qq:564334566  

10#
发表于 2008-7-16 00:37:00 | 只看该作者
不客气,我没有在备考,有问题就在这儿问吧
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