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Argument17
The following appeared in a letter to the editor of the Walnut Grove town newspaper.
"Walnut Grove's town council has advocated switching from EZ Disposal (which has had the contract for trash collection services in Walnut Grove for the past ten years) to ABC Waste, because EZ recently raised its monthly fee from $2,000 to $2,500 a month, whereas ABC's fee is still $2,000. But the town council is mistaken; we should continue using EZ. EZ collects trash twice a week, while ABC collects only once. Moreover, EZ—which, like ABC, currently has a fleet of 20 trucks—has ordered additional trucks. Finally, EZ provides exceptional service: 80 percent of respondents to last year's town survey agreed that they were 'satisfied' with EZ's performance."
Analyse:
Backgroud: EZ Disposal raise its price from $2000 to $2500, the author of this letter heard that the town coucil was about to replace it with ABC Waste, so he write to express his attitude.
conculsion: The council should still use EZ
reason: EZ is worthy the price
assumption: EZ would do a better job than ABC, and what the residents of WG benefit from EZ would excess the extra fee.
Evidence: EZ collects trash twice a week, while ABC collects only one
EZ would own more trucks than ABC soon
EZ received an 80-percent praise in the last year’s town survey
Oppose: 1. The assumption lacken sufficient evidences
2. Fail to role out other possible reason for replacing EZ
TIME NOT LIMITED 2HOURS
The author of this letter argued that Walnut Grove's town council should stick to EZ Disposal although it recently raised its price. However, the author provided no efficient evidence to support his assumption that EZ Disposal would worth the price, and failed to rule out other possible reason for EZ Disposal to be repalced. I will discuss these flaws in turn.
The argument relies on the assumption that EZ would do a better job than ABC, and what the residents of WG benefit from EZ would excess the extra fee. The author tried to convince us by listing three tempting facts, which turn out to be unpersuasive. First, the fact that EZ collects trash twice a week, while ABC collects only once provides no justification that the residents would benefit from the extra one. Probably the trash amount in WG is so small that a once-a-week collection can just meet the residents’ need.
Second, the mere fact that EZ would own more trucks than ABC is insufficient evidence to conclude that EZ could be more efficient than ABC. As the collection of trash is always done according to the scheduel, if ABC can stick to the scheduel as well as EZ does, owning more cars contributes little to the claim that EZ’s service would be superior to ABC’s. In addition, It is entirely possible that the trucks are ordered for their new business in other areas. If so, the author’s argument would be seriously weakened.
Third, the statistical evidence involving an 80-percent praise in the last year’s town survey is too vague to be infoemative. We donot know whether the responders of the survey are quantitatively enough to represent the whole attitude of the residents in WG towards EZ Disposal, or the majority of the responders are residents who are content with the service provided by EZ Disposal. Lacking more specific information about how the survey was conducted, the author cannot convincing us that the residents of WG are really satisfied.
Finally, the author fails to consider and rule out other factors that might account for the replacement of EZ Disposal. Maybe EZ Disposal is a traditional trash collected company, whereas ABC Waste is a envirmental company using up-to-date technology in recycling; maybe the rise of price in EZ Disposal is merely due to its ten-year contract with the town, by which the company owns a priority to other companies in this area. Without further investigation any claims made about the necessarity of replacement are doubtful.
In final analysis, the conclusion is not well reasoned. To strengthen the argument, the author would have to provide more suffient evidence concerning the service provided EZ Disposal is indeed superior to ABC Waste. To better evaluate the argument, we need more informention regarding the real public praise of EZ Disposal.
[ 本帖最后由 DIDOROSE 于 2007-1-2 10:55 编辑 ] |
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