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本帖最后由 alwayslz 于 2009-3-13 13:28 编辑
TOPIC: ARGUMENT236 - The following appeared as a letter to the editor of a local Solano newspaper.
"The Solano school district should do away with its music education programs. After all, music programs are not especially popular in our schools: only 20 percent of our high school students participated in music programs last year. Furthermore, very few of the Solano district's college-bound students are interested in majoring in music at the university level. Also, when the school district of our neighboring town of Rutherford eliminated its music programs two years ago, the overall grade point average in the high school increased by 10 percent the next year. Surely the money spent on Solano music programs could be better used to improve the quality of traditional academic courses."
Grounding on the survey that less people has complained the replacement of the not-popular books, and assuming that the advice will be positive to the library and the readers, also offering a fact that recent novels are well checked out, the arguer draw a conclusion that the library should to replace the not-popular books to recent novels, which is, nevertheless, not thorough and cogent because it assumes the stated correlation implies causation. The argument is in fact neither well-present nor well-reasoned as it stands, we should discuss the legitimate factors related to the cases above. Therefore, I will turn to 3 aspects to consider as follows.
To begin with, the arguer makes his first assumption: readers can not borrow popular books relying on the fact that recent novels are more popular which readers can hardly borrow them immediately.
Although this is wholly possible, the arguer provides no evidence to bolster this crucial assumption.
The recent novels do not represent the recent books let alone the popular books. Maybe the native readers are willing to read a novel when they spend their leisure time so that the reason why it is popular in the library. However, it does not mean the all popular books in the country are popular alike in the library, therefore, one can still find a popular guidance book of home cooking in library. So, the arguer fails to provide detailed information about the ''popular'' books.
In the second place, just because that replacing-books plan can be positive to some extent does not preclude the fact that it is only a small part of checking-out books, maybe it does not influence the whole popularity of lending books. In addition, even if it is the case, it may just be positive in a short time because the recent books will finally turn to be old, leaving a problem using more shelves to preserve them. It then stands to reason that the plan can not feasible to long interest which is contrary to the given case. So the arguer can not make such conclusion in haste without ruling out all other possible explanations.
Third, even if the arguer can substantiate the foregoing assumptions, the arguer neglects the possibilities from the survey. we are not informed about the size of the sample in the study; maybe it is conducted by 50 people. Besides, the arguer provides no information about what percentage of the readers responded to the survey, the smaller the sample, the greater the possibility for biased results, and the less reliable that readers are sacrificed with the plan.
In sum, while chances are that there still has immense factors affecting the critical result, the precedent cases are well enough to disprove the argument which suffers from a series of poor assumptions. To better evaluate the argument, the arguer must also provide evidence-perhaps by way of reliable study and information-that people are appreciated the plan and which turns out to be profitable in long term.
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