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狗主是不是这个 狗主辛苦了
作文考古 2015 10-11月 http://forum.chasedream.com/thread-1220946-1-2.html
1.服装店和音乐店
>>> 考古原题
The following appeared in a memorandum from the owner of Carlo's Clothing to the staff:
"Since Disc Depot, the music store on the next block, began a new radio advertising campaign last year, its business has grown dramatically, as evidenced by the large increase in foot traffic into the store. While the Disc Depot's owners have apparently become wealthy enough to retire, profits at Carlo's Clothing have remained stagnant for the past three years. In order to boost our sales and profits, we should therefore switch from newspaper advertising to frequent radio advertisements like those for Disc Depot."
>>> 参考思路
1. 错误类比:DD music store与C的服饰店无可比性,不能说广告就适用C的服饰店。买cd的人也许经常通过radio了解歌曲,但是买衣服的人很少通过radio来了解衣服。
2. 无根据假设:不能根据人流量大就假设销售量增加,万一只是看一看不买呢?
3. 因果关系:没有说电台广告与业务量增长有必然因果关系。Other factors other than the radio advertisement that may contribute to the business growth of Disc depot should be considered and ruled out. 比如促销,请了明星做活动等等。
4. 错误比较-时间纵向:一年前好用不代表现在好用。
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