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ARGUMENT221 The following appeared in the editorial section of a student newspaper.
"In a recent survey, most students who were studying beginning Russian gave higher course-evaluation ratings to classes taught by non-native Russian speakers than to classes taught by native Russian speakers. The reason that the non-native speakers were better teachers of Russian is easy to see: the non-native speakers learned Russian later in life themselves, and so they have a better understanding of how the language can be taught effectively. Therefore, in order to improve instruction for all languages and also save money, our university should hire non-native speakers as language instructors instead of trying to find and recruit native speakers."
1.调查不能表明对教授的评价高。调查三方面错误:样本数量及代表性、回答的真实性及选项的倾向
2.长大以后学的不能表明掌握的有效,以及调查即使能反映,也不能说明老师优秀
3.调查只说了初级学生给的评价高,没说所有人,只说了俄语,没说所有语言,草率推广
4.另外,提高语言课程的途径还有其他的,不只是这一种
In this argument, the author reaches the conclusion that their university should hire non-native speakers as language instructors instead of to find and recruit native speakers in order to improve instruction for all languages and also save money. To support this claim, the article point out that the non-native speakers are better teachers of Russian than the native speakers, on the basis of a survey in which the non-native speakers were received higher course-evaluation ratings from students than native speakers. Besides, a reason given to maintain this is that the non-native speakers learned Russian later in life themselves, and so they have a better understanding of how the language can be taught effectively. However, careful scrutiny of the argument reveals statistical and other logical problem, which render it unconvincing.
To begin with, the survey that the argument cites is potentially problematic in three respects. First, we are not informed whether the survey’s respondents were representative of the overall populations of students learning a certain language. What the author quotes is the students of Russian, not other languages without precise number. The smaller the sample and the range, the greater the possibility for biased results, and the less reliable the survey. Second, the content of the survey was not mentioned in the argument, so probably it is the options that have misled students to the tendentious results. Third, it is entirely possible that the responses of students are not their exact willingness which may the reflection of the untrustworthy result.
Even assuming the statistics that the article cites are believable, the claim that the non-native speakers were better than native speakers in instructing cannot stand up. For the consequence of the survey just show that the courses taught by non-native speaker are better received among students, and it is likely that the non-native speakers’ instructions are feasible to understand by students based on the same culture background and similar model of thinking between them, but as for the native speakers, it is hard to say so. In addition, the reason that non-native speakers were better teachers of Russian is irrational, for it is not when speaker study a language that a better understanding depends on, but maybe how hard they learn or their interests on the study.
A third problem with the argument is unconvincing. To strengthen it the author should, assuming the non-native speakers are better in teaching than the native ones, provide strong evidence that besides Russian, other languages are in the same or at least similar state. likewise, it suppose that the statistic about the students’ studying beginning Russian applies equally to those studying all languages. Yet this might not be the case, for a variety of possible reason. Perhaps,students of other languages, such as French or Spanish, granted higher evaluation to the native speaker ,or perhaps students of further language study prefer the native speakers offering them not only the mastery of a language, but also the culture and custom of the language speaking race. Without taking into account these possibilities, the author cannot validate his conclusion.
Finally, there are also other ways to improve instruction for all languages and save money, for instance, to hold contests among students under the teacher’s direction, or call for companies or individuals to give support to their university to improve the facility and instructions.
In conclusion, as it stands the argument is unconvincing; the author, to strengthen it, should provide strong evidence that survey is reliable enough. The author need also give a convincing explanation of non-native speakers’ better instruction of a language. Besides, it is not the conclusion of the survey that can deduce the author’s claim. Finally, it is necessary to rule out all other potential approaches to improve the instructions as well as to save money.
[ 本帖最后由 yewaky 于 2006-5-31 10:08 编辑 ] |
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