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ARGUMENT51 - The 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."
字数:314
用时:00:30:00
日期:2009-9-2 10:08:54
The claim that all patients suffering muscle strain should take antibiotics in their treatment sounds reasonable at the first glance. After all, the arguer does offer some evidence from scientific study. However, several important concerns, which the arguer fails to address in the analysis, may render the argument unconvincing.
First of all, the argument rests on an unreasonable assumption that secondary infections must happen in patients with muscle strain. It is greatly possible that only a part of patients, for example only patients with severe muscle strain may suffer secondary infections. Thus, to advise all patients with muscle strain to take antibiotics may be unnecessary.
In addition, the argument is weakened by the fact that it does not take into account that the inherent difference between the two groups of patients in the study. The arguer does not offer any information concerning with the age, sex and medical record of patients in these two groups. Also ignored by the arguer is the fact that the various majors of the doctors may be another reason of the different average recuperation time. Consequently, without ruling out possibilities mentioned above, the results of the study can not lend strong support to the argument.
Finally, Even if the results of the study is convincing, the arguer is too hasty to draw the conclusion that antibiotic benefits patients with muscle strain. That is because no evidence about side-effects of antibiotic has been provided in the argument. Only if the side-effects of antibiotic to patients with muscle strain are zero or slight, it would be appropriate for patients to take it.
To sum up, the conclusion lacks credibility because the evidence cited in the analysis does no lend strong support to what the arguer claims. To strengthen the arguments, the arguer should have provided more evidence to ensure the effectiveness of the study and establish a clearer relation between antibiotics and patients with muscle strain. |
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