怎么解答呢这题？donate的!

frankzhiwei · 发表于 2010-12-6 20:45:12

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.

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

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.

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.

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.

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.

答案是A，小弟选了C，求解答~感谢！

sdcar2010 · 发表于 2010-12-6 21:50:02

Basically, a funder-raiser has two options: call a new donor or a frequent donor. As we know from the stimulus, the latter is more likely to donate anyway. If a funder-raiser keeps calling frequent donors, the funder-raiser's success rate will be very high.

A says that when the funder-raiser call new donors, they have the same success rate as those from other universities. So this school's fund-raiser is no better than others in this category. Their overal high success rate is dictated by calling frequent donors, not by expanding successfully of their donor base.

Thus, A supports the conclusion of the argument, which says the fund-raiser did not do a good job with an 80% success rate.

怎么解答呢这题？donate的!

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