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Argument53 第5篇 让砖头来得更猛烈些吧!
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作者:寄托家园作文版普通用户 共用时间:28分11秒 417 words 改后513
从2004年7月30日9时41分到2004年7月30日10时28分
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Thirteen years ago, researchers studied a group of 25 infants who showed signs of mild distress when exposed to unfamiliar stimuli such as an unusual odor or a tape recording of an unknown voice. They discovered that these infants were more likely than other infants to have been conceived in early autumn, a time when their mothers' production of melatonin—a hormone known to affect some brain functions—would naturally increase in response to decreased daylight. In a follow-up study conducted earlier this year, more than half of these children—now teenagers—who had shown signs of distress identified themselves as shy. Clearly, increased levels of melatonin before birth cause shyness during infancy and this shyness continues into later life.
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in this argument, the author claims that increased levels of melatonin cause shyness during infancy and this shyness continues into later life. The assumption is based on the research of 25 infants, besides, a phenomenon of infant born in autumn is given to lend more support to the statement, again a additional follow-up study server as a good reason. At first glance the proposal seems quite reasonable, however, further reflection reveal that it is based on some dubious assumption and overlooks other factors that might account for such phenomenon.
Firstly, the statement unfairly assumes that the tested infant are really shy. for one thing, the number of infants to do research is far from enough, 25 is so small and could not be used as a persuasive research, Compared to millions of infants in the world, the percent of infant showing shy is really limited. Unless given the number of research large enough we cannot believe those infant show shy. For another, Even the number of infant have no problems and do give persuasive information. The statement unfairly equal the result distress to shyness. Actually , mild distress when exposed to unfamiliar stimuli is different from real shy. Thus we would eager to know what shy is. When exposed to some stimuli lots of people will feel uncomfortable not only infant. Further more author do not exclude other phenomenon such as cry , cough, smile and so on. Maybe those phenomena are more obvious than distress.
Secondly, granted that the infants are real show shyness, the statement provide no scientific research evidence to demonstrate the relationship between the melatonin and shyness. The fact that born in autumn and more melatonin provided dose not automatically lead to the conclusion that melotonin is the one and only one reason lead to shyness. There, very likely, are other reasons causing shyness, and when to born is only accident. Are there any other possibility like atmosphere different, distict method of bearing. Even shyness have the relationship with autumn, there may be some other chemistry affect shyness. Dose it has something with infants’ father, thus do nothing with melatonin. Or melatonin is not the only chemistry affect the infant. Without sufficient scientific research we cannot safely come to conclusion.
Last but not the least, even granted that the melatonin dose cause the shyness of infants, again it is unfair to conclude from identifying by oneself to real shy in teenager. Although this is entirely possible, Those who described themselves is not real shyness, maybe because of modest. they do not want told others they are dare enough. Thus the description cannot be equal to real situation. Unless other people or some reasonable evidence show that these people is really shy, the conclusion is unfounded.
To sum up, the statement is poorly supported. To strengthen it the author must convince me—perhaps by way of a more reliable survey—that the tested infant show shyness. The authour must also provide better scientific evidence that it is melatonin cause shyness. Finally, to better assess the argument, I would need to know those teenagers are really shy not because modest. |
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