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发表于 2010-4-25 12:46:21
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In this argument, the author suggestes that all patients are diagnosed with muscle strain should take antibiotics for secondary infections. A study of two groups of patients cited by author to support his suggestion. In the study, one group is treated by Dr.Nesland with the antibiotics recovering faster than another group which is treated by Dr. Alton with sugar pills.However, as the following shows the argument is logically flawed in several respects which render it unwarranted.
To begin with, the study is operated by two different doctor specilizing in different fields.This method of studying weaken the strengthen of conclusion.Dr. Newland specializes in sports medicine, while Dr.Alton is a general doctor. It is entirely possilble that Dr . Newland is skilled in curing the secondary infectios of muscle strain, which will reveal the effectiveness of antibiotics. Unless the author provide the eviedence that these two author applied same method to cure patients, the conclusion is weakened by this respect.
Morever,even if the doctors in the study are same, the author hasn’t eliminated the disparity of two groups patiens.There is the posibility that the patients in the first group has the better ability to recover form any muscle, or maybe they are the special sample such as sportsman, even they suffer from the severe strain, they can recover faster than ordianary people which is the sample in the second group.There isn’t any reference about the condditions of the patients. The conclusion can be strong enough if the sample with little discrepency.
Additionally, the conclusion that all patiens with such strain should take antibiotis is too absolute.Different people are characterised with different types of physicle conditions, the author just cites the effectiveness of healing, with no consideration about the negative effect about antibiotics for healing.If the antibiotics are not sutiable for some special groups of people, such as the ones are allergy with this medicine, it is all possibile to lead to severe problems, let alone helping patients to recover quickly.As the author cannot eliminate this possibiliy, author concludes too hastily to convince me that all patients should take anibiotic.
Finally, the sugar pills for sedond group are dubious as the author also doesn’s consider its negative effect.Though the recuperation of the patiens in the second group was not significantly reduced, if they are not given the sugar pills, maybe they will recover faster than the first group.Thus, the study cited by the author is not sufficient to support the conclusion.
To sum up, the reasoning in this argument is flawed in several respects:1.the difference about the doctors, as well as the patients sample is not taken into consideratio.2.the negative effect about the antibiotic, also the sugar pills is are also be negaletd. If the author wants to convince us that all patiens with muscle strain shoule take antibotics, he needs to give us the evidence that doctors operates the study in the same method.Also the samples are in the same physical condition.Furthermore ,the negative effect of the medicine in the study are also needed to be emliminated. If all flaws are corrected, the conclusion will strong enough for readers to accept. |
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