问问feifei-100的逻辑推理链条

Lucky0506

Questions 100-101

Zelda: Dr. Ladlow, a research psychologist, has convincingly demonstrated that his theory about the determinants of rat behavior generates consistently accurate predictions about how rats will perform in a maze. On the basis of this evidence, Dr. Ladlow has claimed that his theory is irrefutably correct.

Anson: Then Dr. Ladlow is not a responsible psychologist, Dr. Ladlow’s evidence does not conclusively prove that his theory is correct. Responsible psychologists always accept the possibility that new evidence will show that their theories are incorrect.

100. Which one of the following can be properly inferred from Anson’s argument?

A.        Dr. Ladlow’s evidence that his theory generates consistently accurate predictions about how rats will perform in a maze is inaccurate.

B.        sychologists who can derive consistently accurate predictions about how rats will perform in a maze from their theories cannot responsibly conclude that those theories cannot be disproved.

C.        No matter how responsible psychologists are, they can never develop correct theoretical explanations.

D.       Responsible psychologists do not make predictions about how rats will perform in a maze.

E.   Psychologists who accept the possibility that new evidence will show that their theories are incorrect are responsible psychologists.

我想请教大家

1. anson的arguement中，到底什么是前题，什么是结论啊？

2. 选项C如果用充分条件来表示的话，应该如何表示？

谢谢！

[此贴子已经被作者于2005-7-19 18:06:19编辑过]

iwillfly

这题我也不是很懂，请问选什么？

请哪位好心人帮我们解答一下？非常感谢！

vendetta

B,个人意见

况天佑

个人认为Anson的前提是：

1。Dr. Ladlow’s evidence does not conclusively prove that his theory is correct

2。Responsible psychologists always accept the possibility that new evidence will show that their theories are incorrect

结论是：Dr. Ladlow is not a responsible psychologist

答案我也觉得是B

lawyer_1

1。C没有充分必要关系

2。B有充分必要关系：responsible--->can not conclude that...  即Anson的最后一句话（也是该充分必要关系）

3。易混的是E，但E是该充分必要关系的逆命题，故不是MUST BE TRUE

4。该题是MUST BE TRUE题，所以读题重点不在前提和结论，而在于能否推出新的东西，否则只记住信息。