Argu51 [米国有米]第三次作业

mcdonald-duckUID: 2123471

51The following appeared in a medical newsletter.

"Doctors have long suspected that secondary infections may keep some patients from healing quickly after severe muscle strain. This hypothesis has now been proved by preliminary results of a study of two groups of patients. The first group of patients, all being treated for muscle injuries by Dr. Newland, a doctor who specializes in sports medicine, took antibiotics regularly throughout their treatment. Their recuperation time was, on average, 40 percent quicker than typically expected. Patients in the second group, all being treated by Dr. Alton, a general physician, were given sugar pills, although the patients believed they were taking antibiotics. Their average recuperation time was not significantly reduced. Therefore, all patients who are diagnosed with muscle strain would be well advised to take antibiotics as part of their treatment."

正文：
Based on the contrast of two groups who were given different treatment in terms of antibiotics, the author claims that the antibiotics is helpful during the course of recovery for the patients who are suffering from severe muscle strain. It sounds reasonable at the first sight, but further thinking will reveal the logical flaws in the course of reasoning.

First of all, the test is based on two separate groups who are not declared to be identical whatever in physics states or about how severe their sickness conditions are. From the knowledge of statistics, whether a factor is influential to a system could only be confirmed if and only if the other factors are identical and the number of samples in either group is large enough to come to the statistic conclusion. But neither of the prerequisites is cleared in the course of the author’s reasoning. Thus the result of the contrast may not be correct because it was based on an unscientific means of test. Even if the result is virtually correct, it could merely be a coincidence for such test to come to the same conclusion.

Furthermore, it still might be arbitrary to say there is a connection between the using of antibiotic and the faster recovery speed of the patients even the two groups are identical both in physics states and sickness conditions, because other factors, such as exercise, the mental treatment or the diet, during the treatment of two doctors might have an unproved influence on the final result as well. If these factors did work, then it should be the integrated effect of such factors that explains the difference result of the comparisons.

To sum up, other experiments have to be done in order to prove the definite positive effect of the antibiotics on the treatment of severe muscle strain and at the same time of the arguing convincing.

Words: 314

[ 本帖最后由 mcdonald-duck 于 2006-12-4 17:39 编辑 ]

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Based on the contrast of two groups who were given different treatment in terms of antibiotics, the author claims that the antibiotics is helpful during the course of recovery for the patients who are suffering from severe muscle strain. It sounds reasonable at the first sight, but further thinking will reveal the logical flaws in the course of reasoning.

First of all, the test is based on two separate groups who are not declared to be identical whatever in physics states or about how severe their sickness conditions are.[nice sentence] From the knowledge of statistics, whether a factor is influential to a system could only be confirmed if and only if the other factors are identical and the number of samples in either group is large enough to come to the statistic conclusion. But neither of the prerequisites is cleared in the course of the author’s reasoning. Thus the result of the contrast may not be correct because it was based on an unscientific means of test. Even if the result is virtually correct, it could merely be a coincidence for such test to come to the same conclusion.

Furthermore, it still might be arbitrary to say there is a connection between the using of antibiotic and the faster recovery speed of the patients even the two groups are identical both in physics states and sickness conditions, because other factors, such as exercise, the mental treatment or the diet, during the treatment of two doctors[放到句末] might have an unproved influence on the final result as well. If these factors did work, then[去掉] it should be the integrated effect of such factors that explains the difference result of the comparisons.

To sum up, other experiments have to be done in order to prove the definite positive effect of the antibiotics on the treatment of severe muscle strain and at the same time of the arguing convincing.

总的来说行文流畅，语言上没有什么问题，用词遣句都很到位。只是对于原文的逻辑错误只找出了两个，而且这两个貌似也就是一个，就是两个groups其他因素不同而已。应该还可以多找一点，结尾略有点草率了。总的文章也有点短