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发表于 2007-2-19 23:46:25
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145.snore,gain weight
145A new study collected data that shows that people who snore are more likely to gain weight than are people who do not snore. It is well known that many people who snore also stop breathing frequently during the night for a few seconds, a condition called sleep apnea. The interruption of breathing wakes the person—often so briefly that the waking goes unnoticed—and can leave the person too tired during the day to exercise. Anyone who snores, therefore, should try to eat less than the average person and to exercise more.
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21:51
In this argument, the arguer concludes that anyone who snores should try to eat less than the average person and to exercise more based on a new study. However, as it stands, the argument suffers from several critical fallacies.
To begin with, the major flaw of the argument is that the arguer bases his reasoning on a statistically dubious study. In the study, there is no hint of random sampling and thorough investigation to ensure the representiveness of the study. Therefore, we have good reasons to doubt that the number of subjects being investigated is limited and cannot represent the general truth. Also, the arguer fails to offer us the sexuality, age and initial health condition of the subjects. Without such important information, study and any further conclusion from the study is lack of credibility.
The second fallacy of the argument is that the arguer unfairly assumes that sleep apnea leads the person too tired during the day to exercise. However, the arguer provides no evidence to substantiate it. It is entirely possible that other phenomena causes these people who do not snore are more likely to be tired,-such as frequent dreams. In addition, commonsense tells us that many other reasons would cause the lack of exercise. For example, the pressure from work, bad felling , and terrible lives habits all have the possibility to make people do not intend to take physical exercise. In short, without ruling out these reasons, the arguer can not convince me that sleep apnea is responsible for the lack of exercise of these people.
The last but not least weak point weakening the argument is that the arguer unfairly assume that “anyone” who snores should try to eat less than average person and to exercise more. However, the arguer fails to inform us that whether anyone who snores eat more, and exercise little than average person. Therefore, it is entirely possible that some snoring persons eat little and exercise more than most average person. In addition, it is likely that not all snoring persons are too weighty and need to lose weight. In this case, the arguer’s conclusion is too general.
To sum up, the argument is logically unacceptable due to the above fallacies. To make the argument more creditable, the arguer would better offer more information about the study and make more reasonable conclusion according to the conditions presented in the argument.
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