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本帖最后由 elvisxiao 于 2010-5-27 06:23 编辑
Argument53
提纲:1.婴儿表现出紧张并非不熟悉的刺激所致,不排除其他因素,如母亲期间吃的食物还有母亲期间可能有病等等。
2.不排除早秋怀孕的其他原因,而且我们在婴儿期难免会受到刺激,难道说我们都更有可能在早秋怀孕。
3.不能简单的说紧张与害羞有关,因为样本数量太小而且那是孩子自己的判断,我们都知道孩子在teenager时期大多会表现出紧张特别是面对不熟悉的环境。
4.即便上述成立,也不能说明melatonin会导致羞涩,因为在早秋怀孕的并非都表现羞涩,而且害羞是性格因素,并非是影响大脑功能的荷尔蒙所致。
TOPIC: ARGUMENT53 - 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.
WORDS: 595 TIME: 01:08:47 DATE: 2010/5/26 22:50:47
In this argument, the speaker concludes that the increased melatonin cause shyness which, in turn, continues into later life. To justify this claim, the speaker cites the following evidences that a research shows that some unfamiliar stimuli bring infants mild distress, and these infants are more possible to be conceived in early autumn, and more than half of those infants consider themselves as shy during teenagers. However, a careful examination would reveal how groundless the conclusion is.
In the first place, the speaker could not rule out other factors causing the mild distress of infants apart from some unfamiliar simuli. Maybe these suimuli indeed make infants show mild distress, the researcher, however, fail to point out whether surrounding around them do not play a role in the mild distress of infants. It is most likely that what their mothers eat and what mother suffer do influence the infants who show signs of mild distress. Therefore, the result of the research is worth doubting.
Admittedly, the research really substantiate the cause between unfamiliar stimuli and infants who show mild distress, but this indicate unnecessarily that mothers are under pregnant in early autumn more probably. The condition of life mothers live can also affect the pregnant. Moreover, we are hard to avoid suffering unfamiliar stimuli during infants due to mothers' activities. In this case, aren't we all more likely to be conceive in early autumn? The answer is clearly absurd, as we know, there are babies given birth to every season or every month, even every day. Thereby, the discovery of research maybe is misunderstanding.
Additionally, the speaker overlooks that more than half in 25 will not stand for all infants and the self-identification will also not indicate they are really shy. Only 25 infants in total studied in the research is a little data in relation to mass infants in society, so even if 50 percents of them consider themselves as shy, which also does not show that others infants showed signs of mild distress are really shy. And the self-identification is just subjective evaluation , and not behalf of their real character. As a teenager, it is normal to show shyness when facing with other strangers and unfamiliar situation. In this case, the speaker may not assert that these infants is related to their shyness.
Finally, even if we admit that those infants who show mild distress are shy and possible to be conceive in early autumn, but it is presumptuous to judge the cause between the increased melatonin and the shyness according to the above evidences. The speaker will not demonstrate that infants conceives in early autumn are indeed the shy children in after several years; it is possible that the shy teenagers are conceived in other seasons, thus, the melatonin do not nearly have to with the shyness. As the speaker says, the melatonin is a hormone affected some brain functions, the shyness, however, is the category of character which is infants by family conditions and genetics. Even if the melatonin will cause shyness, yet, no other information indicates that this shyness will continues into later life. And with the development of teenagers, they will learn more skills about communication with others, which make them become stronger and calm in some strange situation.
In sum, the argument is not well reasoned. To make it logically acceptable, the speaker would have to demonstrate that other factors will not influence the mild distress of infants. Additionally, the speaker had better provide evidence that the shy children are just the infants who were conceived in early autumn. |
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