标题: OG Diagnostic test CR-22 求讲解 [打印本页] 作者: huangsiyan 时间: 2011-3-12 07:37 标题: OG Diagnostic test CR-22 求讲解
22. Following several years of declining advertising sales, the Greenville Times reorganized its advertising sales force. Before
reorganization, the sales force was organized geographically, with some sales representatives concentrating on citycenter
businesses and others concentrating on different outlying regions. The reorganization attempted to increase the
sales representatives’ knowledge of clients’ businesses by having each sales representative deal with only one type of
industry or of retailing. After the reorganization, revenue from advertising sales increased.
In assessing whether the improvement in advertising sales can properly be attributed to the reorganization, it would be
most helpful to find out which of the following?
(A) What proportion of the total revenue of the Greenville Times is generated by advertising sales?
(B) Has the circulation of the Greenville Times increased substantially in the last two years?
(C) Among all the types of industry and retailing that use the Greenville Times as an advertising vehicle, which type
accounts for the largest proportion of the newspaper’s advertising sales?
(D) Do any clients of the sales representatives of the Greenville Times have a standing order with the Times for a fixed
amount of advertising per month?
(E) Among the advertisers in the Greenville Times, are there more types of retail business or more types of industrial
business?
现象：Reorganization后，revenue from advertising sales increased
结论：是reorganization导致advertising sales的增长
思路：评价现象/证据对结论的贡献度，需要找出潜在加强/削弱点
A advertising sales所占公司总收入的%，最多只能说明advertising sales对于公司本身的收入结构来说是相对增长了还是减少了。无法加强/削弱结论。
B 两年内发行量的明显上升同样可以导致advertising sales的上升，在一定程度上削弱了reorganization对increased advertising sales的贡献度，从而降低上述结论的可靠性。作者: citidandan 时间: 2011-3-16 06:52
a) Percentage does not equal amount! And we need to find something that could affect the amount of advertising sales and isn't caused by the reorganization.作者: huangsiyan 时间: 2011-3-16 20:09
谢谢ls，俺懂了，俺一直在想加强，没考虑过削弱，谢啦！！！！
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