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求问一道逻辑题

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发表于 2017-11-15 21:24:40 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
这道题有一点小问题想请教大家

Psychologist: In a study, researchers gave 100 volunteers a psychological questionnaire designed to measure their self-esteem. The researchers then asked each volunteer to rate the strength of his or her own social skills. The volunteers with the highest levels of self-esteem consistently rated themselves as having much better social skills than did the volunteers with moderate levels. This suggests that attaining an exceptionally high level of self-esteem greatly improves one’s social skills.

The psychologist’s argument is most vulnerable to criticism on which of the following grounds?

A. It fails to adequately address the possibility that many of the volunteers may not have understood what the psychological questionnaire was designed to measure.
B. It takes for granted that the volunteers with the highest levels of self-esteem had better social skills than did the other volunteers, even before the former volunteers had attained their high levels of self-esteem.

C. It overlooks the possibility that people with very high levels of self-esteem may tend to have a less accurate perception of the strength of their own social skills than do people with moderate levels of self-esteem.

D. It relies on evidence from a group of volunteers that is too small to provide any support for any inferences regarding people in general.

E. It overlooks the possibility that factors other than level of self-esteem may be of much greater importance in determining the strength of one’s social skills

这道题选C,我也选对了,但是对B有一点质疑。想请问大家B选项错的原因是不是因为这个psychologist没有take for granted这个有更好skills的人在high esteem之前就有很好的skills了?

如果这道题换一个问法 问以下哪个可以weaken psychologist的结论的话,B就会削弱这个结论。因为B刚好可以说明那些回答自己的social skills高不是因为他们自信,因为在他们自信之前他们的skills就很好。

谢谢大家能抽时间帮我解答








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沙发
发表于 2017-11-16 09:24:40 | 只看该作者
这基本是一个 flaw的题目,你要是挑错也是基于论证本身。。。B选项是一个可能在实验中发生的问题,但是从论证本身却没能体现这个flaw。 在powerscore那本书里,点出几个问题类型如must be ture, main point,method of reasoning, flaw和 parallel reasoning这一类问题是基于论证本身,不包含外界可能信息的情况。 个人意见哈~
板凳
 楼主| 发表于 2017-11-16 09:58:01 | 只看该作者
pnwong 发表于 2017-11-16 09:24
这基本是一个 flaw的题目,你要是挑错也是基于论证本身。。。B选项是一个可能在实验中发生的问题,但是从论 ...

嗯嗯,同意你的说法!谢谢回复
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