The following appeared in a letter from a homeowner to a friend.
“Of the two leading real estate firms in our town— Adams Realty and Fitch Realty— Adams Realty is clearly superior. Adams has 40 real estate agents; in contrast, Fitch has 25, many of whom work only part-time. Moreover, Adams' revenue last year was twice as high as that of Fitch and included home sales that averaged $168,000, compared to Fitch's $144,000. Homes listed with Adams sell faster as well: ten years ago I listed my home with Fitch, and it took more than four months to sell; last year, when I sold another home, I listed it with Adams, and it took only one month. Thus, if you want to sell your home quickly and at a good price, you should use Adams Realty.”
Write a response in which you examine the stated and/or unstated assumptions of the argument. Be sure to explain how the argument depends on these assumptions and what the implications are for the argument if the assumptions prove unwarranted.
五問:
(1)“Adams has 40 real estate agents; in contrast, Fitch has 25, many of whom work only part-time. Moreover, Adams' revenue last year was twice as high as that of Fitch and included home sales that averaged $168,000, compared to Fitch's $144,000”和“ten years ago I listed my home with Fitch, and it took more than four months to sell; last year, when I sold another home, I listed it with Adams, and it took only one month”是事實,“Thus, if you want to sell your home quickly and at a good price, you should use Adams Realty”是結(jié)論,值得反駁嗎?
(2)數(shù)目和質(zhì)量可以同等比較嗎?數(shù)目越多,質(zhì)量就一定越高嗎?例如: Adams的 40個房地產(chǎn)代理的工作經(jīng)驗可能不及 Fitch的 25個代理的工作經(jīng)驗豐富。另外,正式員工的工作能力一定比兼職員工強(qiáng)嗎?
(3)去年的售價高,今年的售價就一定高嗎?平均值能在任何情況下都代表個體值嗎?是否有可能 Fitch的銷售量更多,從而拉低了平均售價呢?
(4)作者使用兩個不同年份的房屋的售出速度來對比兩家代理商的房屋售出速度,這樣是正確的嗎?是否犯了時間軸論證的錯誤?十年之后, Fitch公司是否可能也取得了發(fā)展?
(5)文中對兩家代理商的對比,是否將所有方面都涵蓋了?你能否羅列一兩個可供比較的方面?例如:兩家銷售的房屋類型、地段等。
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