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标题: 这道逻辑题弄不懂 [打印本页]

作者: deezy    时间: 2009-2-9 12:02
标题: 这道逻辑题弄不懂

Guidebook writer:  I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward.  Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently.

 

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

 

  1. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
  2. Hotels built since 1930 can generally accommodate more guests than those built before 1930.
  3. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
  4. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
  5. The average length of apprenticeship for carpenters has declined significantly since 1930

答案是D,但是我觉得答案恰恰支持问题中的结论

请大虾指教


作者: alohabrian    时间: 2009-2-9 12:23
the Author implies that many hotels that were built before 1930  are 
        
falling now and that they have been demolished, so the orignal carpentry of these building is not good.

[此贴子已经被作者于2009-2-9 13:06:41编辑过]

作者: deezy    时间: 2009-2-9 13:00
精彩,多谢
作者: Mayanist    时间: 2009-2-9 13:42
以下是引用deezy在2009-2-9 12:02:00的发言:

Guidebook writer:  I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward.  Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

  1. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
  2. Hotels built since 1930 can generally accommodate more guests than those built before 1930.
  3. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
  4. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
  5. The average length of apprenticeship for carpenters has declined significantly since 1930

答案是D,但是我觉得答案恰恰支持问题中的结论

请大虾指教

Guidebook writer的统计知识非常差,抽样的时候犯了典型的survivorship bias,因为只有那些好的building才可能保留下来(less likely to be disused and demolished,被弃用并摧毁的可能性小),D指出the writer现在看到的是1930年之前建筑物中的少量精品而已。


[此贴子已经被作者于2009-2-9 13:45:59编辑过]





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