The new perfume Aurora smells worse to Joan than any

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The new perfume Aurora smells worse to Joan than any [#permalink]

21 Mar 2011, 11:03

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Question Stats:

40% (02:05) correct

60% (02:10) wrong

based on 5 sessions

56. The new perfume Aurora smells worse to Joan than any comparable priced perfume, and none of her friends likes the smell of Aurora as much as the smell of other perfumes. However, she and her friends must have a defect in their sense of smell, since Professor Jameson prefers the smell of Aurora to that of any other perfume and she is one of the world’s foremost experts on the physiology of smell.

The reasoning is flawed because it
A. Calls into question the truthfulness of the opponent rather than addressing the point at issue.
B. Ignores the well-known fact that someone can prefer one thing to another without liking either very much.
C. Fails to establish that there is widespread agreement among the experts in the field.
D. Makes an illegitimate appeal to the authority of an expert.
E. Misrepresents the position against which it is directed.

I donn agree with official answer. Guys please provide explanation for the chosen answer.

[Reveal] Spoiler: OA

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Re: CR question - confused [#permalink]

21 Mar 2011, 11:50

Its A Vs D. A is half right, half wrong. The second half is right "rather than addressing the point at issue". The first half is wrong. Hence D is the answer.

If B catches you then it is also half right and half wrong. The second half is wrong - "without liking either very much."

Manager

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Re: CR question - confused [#permalink]

22 Mar 2011, 03:00

How about C?
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Re: CR question - confused [#permalink]

22 Mar 2011, 05:22

This is an Argument flaw question, these questions ask us to find a logical flaw in the argument. Since the premise cannot be flawed, the flaw will be either in the conclusion or in an assumption underlying the conclusion.

The premise with the question are

Premise A
Professor Jameson is one of the world’s foremost experts on the physiology of smell.
+
Premise B
Professor Jameson prefers the smell of Aurora to that of any other perfume.

Hence the conclusion that
Joan and her friend have defect in sensory organ responsible for smell as they dislike the smell of Aurora.

In the above question the premise deal with the “being an expert on physiology of smell(how we recognize the smell)” to the propensity for particular smell, A false assumption that both are similar instances.
Now going back to the answers :-
D. Makes an illegitimate appeal to the authority of an expert.
Seems most fitting in manifesting the flaw in the argument that Prof. Jameson is an expert of physiology of smell and not the expert of smell.

Re: CR question - confused [#permalink] 22 Mar 2011, 05:22

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The new perfume Aurora smells worse to Joan than any

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