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1705136323 16.1.2.2 Value Hierarchies Value hierarchies order values and establish certain values as more important than others. Value hierarchies are important only when values collide. A person who could choose to act on both of two values would have no reason to order those two values hierarchically.
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1705136325 So, for instance, if a debater were to use a value hierarchy to argue about the right to health care, he or she might start with a value hierarchy that places the right to health care higher than the cost of government. The reason that one of those values is placed hierarchically over the other is because the two values might interfere with one another—especially in the case of the right to health care and cost of government where people might not be able to achieve both values and thus would be forced to choose one over the other. Such an argument might be illustrated as follows:
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1705136330 In the example above, the evidence consists of a value hierarchy that places the right to health care over the cost of government. The evidence is then linked to the claim that adopting a system of universal health care is worth the cost of increasing the cost of government. In a great number of debates, arguers find themselves faced with situations where their audiences favor two or more sets of values that seem to collide. In those situations, debaters must determine the proper hierarchy of values and use it as evidence for their positions.
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1705136332 16.1.2.3 Value Categories Value hierarchies can be thought of as existing in different categories. Philosophers Perelman and Olbrechts-Tyteca sorted hierarchies into six categories: quantity, quality, order, existence, essence, and person (1969: 85-94). Some hierarchies simply are founded on the category of quantity. That category assumes that more is better than less, thus, more money is higher on the hierarchy than less money. On the other hand, a person whose value hierarchies are organized according to quality probably will argue for something based on its uniqueness or irreplaceability. Therefore, according to the category of quality, the unique or rare is valued more than the common and replaceable. The dispute about global climate change can be used to illustrate the category of quality. The category of quality could be used to assert the importance of the irreplaceable (the environment) over the replaceable (the economy). A debater might use evidence consisting of quality to support a claim that protecting the environment is more important than sustaining the economy. A damaged economy can be restored, but a damaged environment is much more difficult to repair. Thus, the values associated with the environment are unique and irreplaceable. An example of such an argument using evidence from this value category is illustrated below:
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1705136337 Books about debating rarely treat the last three categories (values, value hierarchies, and value categories) as evidence. Nevertheless, they are important forms of evidence when debating propositions that require evaluation. In addition, because evaluation is central to argumentation and debate, those three categories are quite important.
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1705136339 思辨精英:英语辩论-构筑全球视角 [:1705132482]
1705136340 16.2 Citing and Documenting Evidence
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1705136342 Before concluding this chapter about evidence, a few words about citing and documenting evidence are important. The claim, since the debater creates it, can be considered the creative work of the debater. On the other hand, evidence usually does not consist of material created by the debater, but rather of material that is found using some formal or informal method of research. Thus, evidence is usually supporting material that is external to the debater; it is discovered rather than created. For that reason, the debater has an obligation to inform opposing debaters, judges, and audiences where the evidence was discovered. If the evidence consists of personal observations, the debater is obliged to let others know about the nature of those personal observations. If, as is frequently the case, the evidence was discovered by reading and surveying relevant publications on the subject, the debater is obliged to inform others where the evidence was found. How much detail should the debater report when citing the evidence? A good rule of thumb is that the debater should be prepared to provide sufficient detail that would allow the listener (or reader) to find the evidence on their own. The debater should be prepared to offer the name(s) of the author, the title of the book, magazine, or document from which the evidence was extracted, the title of the article in the book or magazine, the date of the article, and the pages on which the information appeared.
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1705136344 Most who listen to an oral argument do not expect to hear all of the citation for every piece of evidence, but they do expect that the debater would provide the complete citation if requested. So, a debater might say something like “According to a study conducted in 1975 by Professor Samuel Peltzman…” with the expectation that he or she would present the rest of the citation on request. In a written argument, the arguer needs to present the entire citation in the text. The difference between oral and written argument with regard to citing evidence is that a reader cannot always ask the arguer for a citation because the writer and reader may not be in the same physical location. On the other hand, speaker and listener are almost always physically together, so the need to present the entire citation orally is reduced. The important point about citing and documenting evidence is that the debater needs to present or at least be prepared to present enough information so that the listener can find the evidence using only the citation that the debater presents.
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1705136346 思辨精英:英语辩论-构筑全球视角 [:1705132483]
1705136347 16.3 Summary
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1705136349 In summary, evidence is the starting point of any argument. Categories of evidence discussed in this chapter include facts, theories, presumptions, values, value hierarchies, and value categories. Much remains to be said about evidence in debate. How does the debater research evidence? How does the debater go about selecting evidence for an argument? How does a debater criticize and evaluate the quality of evidence? We will consider those and other important questions later in this book.
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1705136351 总而言之,论据是论证过程的起点。本章中我们讨论了各种类型的论据,包括事实、理论、设想、价值判断、价值等级以及价值类别。然而还有很多内容有待挖掘,比如说,辩手们如何搜集论据?如何选取合适的论据为论点服务?如何评估论据的质量?在接下来的章节中,我们将进一步探讨这些及其他重要问题。
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1705136353 思辨精英:英语辩论-构筑全球视角 [:1705132484]
1705136354 16.4 Terms and Concepts from Chapter 16
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1705136356 Check your memory and comprehension by describing or defining these key terms and concepts:
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1705136358 · Facts
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1705136360 · Theories
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1705136362 · Presumptions
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1705136364 · Values
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1705136366 · Value hierarchies
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1705136368 · Value categories
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1705136370 思辨精英:英语辩论-构筑全球视角 [:1705132485]
1705136371 16.5 Discussion Questions for Chapter 16
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