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发表于 2010-12-8 22:06:57
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TOPIC: ARGUMENT51 - The following appearedin a medical newsletter.
"Doctors have long suspected thatsecondary infections may keep some patients from healing quickly after severemuscle strain. This hypothesis has now been proved by preliminary results of astudy of two groups of patients. The first group of patients, all being treatedfor muscle injuries by Dr. Newland, a doctor who specializes in sportsmedicine, took antibiotics regularly throughout their treatment. Theirrecuperation time was, on average, 40 percent quicker than typically expected.Patients in the second group, all being treated by Dr. Alton, a generalphysician, were given sugar pills, although the patients believed they weretaking antibiotics. Their average recuperation time was not significantlyreduced. Therefore, all patients who are diagnosed with muscle strain would bewell advised to take antibiotics as part of their treatment."
In the argument, the author advocates thatall patients who are diagnosed with muscle strain had better take antibioticsas part of their treatment. To suggest his recommendation, the arguer cites theresults of a study of two groups of patients that one took antibioticsregularly through the treatment meanwhile the other one didn't. Comparing the averagerecuperation time of these two groups, the arguer make the final conclusion.However, the argument suffers from several critical flaws.
To begin with, the hypothesis thatsecondary infections may keep patients from recovering after severe muscle straincouldn't be proved by the results of the study at all. Because of the vaguerelationship between the antibiotics and the secondary infections, a study ofthe function of antibiotics in the treatment for muscle injures couldn't explainanything about how secondary infections plays a negative role in the recoveryafter serious muscle strain. To make the argument acceptable, the author shouldindicate how the antibiotics influence the secondary infections at first.
Secondly, the arguer fails to rule out otherpossible causal factors that may lead to the average recuperation reducing inthe first group. For instance, the doctor for the patients in the first groupis one who specializes in sports medicine and the doctor in the second group isjust a general physician. Apparently, the study lacks the basic equity for thereason that a doctor who has more specialized professional knowledge andexperience in treating for muscle injures may give the patients more helpfuland constructive advises. Furthermore, he or she may instruct the patient to dosome beneficial exercise that contributes to recuperating quickly.
What’s more, we have no idea of how manypatients participate in the study and how the study is conducted. Thus, it isquite questionable that recuperation time of these patients in the study couldrepresent all the patients suffered severe muscle strain. And this will inevitablyundermine the credibility of the results of the study.
Finally, the conclusion is kind of hastilygeneralized. As is well known to us, antibiotics also have a enormous amount ofnegative effects while taking as part of the treatment. Whether it could beadvised to take for all patients who are diagnosed with muscle strain is stilla question that should be thought over and researched.
To sum up, the argument is not wellreasoned as it stands. To strengthen the argument, the arguer has to providesome more sound evidence that the treatments for these two groups are identicalin all aspects expect for the antibiotics. Additionally, give us someinformation about the number of the participants in the study and how serioustheir muscle strains are before the treatments. To make it acceptable, theauthor should explain the effect of the antibiotics both in positive andnegative aspects.
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