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Sheila: Health experts generally agree that smoking a

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Director
Joined: 29 Jul 2006
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Sheila: Health experts generally agree that smoking a [#permalink]

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16 Mar 2007, 10:31
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Sheila: Health experts generally agree that smoking a tobacco product for many years is very likely to be harmful to the smokerâ€™s health.
Tim: On the contrary, smoking has no effect on health at all: although my grandfather smoked three cigars a day from the age of fourteen, he died at age ninety-six.
A major weakness of Timâ€™s counterargument is that his counterargument
(A) attempts to refute a probabilistic conclusion by claiming the existence of a single counterexample
(B) challenges expert opinion on the basis of specific information unavailable to experts in the field
(C) describes an individual case that is explicitly discounted as an exception to the expertsâ€™ conclusion
(D) presupposes that longevity and health status are unrelated to each other in the general population
(E) tacitly assumes that those health experts who are in agreement on this issue arrived at that agreement independently of one another

I chose C but the OA is given as A...Whats wrong with C??

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Manager
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16 Mar 2007, 18:11
A: Correct -- the insufficient sample.
C: one person's authority vs. that of the other -- It is good too but not the best.

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16 Mar 2007, 18:25
"describes an individual case that is explicitly discounted as an exception to the expertsâ€™ conclusion "

No where in the passage has it been said the particular example is an exception to the expert's conclusion. So (C) is wrong.

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Director
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16 Mar 2007, 22:42
Isn't Tim stating an exception to the expert's conclusion...he starts with On the Contrary??

Last edited by vineetgupta on 19 Mar 2007, 08:49, edited 1 time in total.

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Director
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17 Mar 2007, 01:03
Easy (A)
_________________

"Education is what remains when one has forgotten everything he learned in school."

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Manager
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17 Mar 2007, 16:40
vineetgupta wrote:
Isn't Tim stating an exception to the exception to the expert's conclusion...he starts with On the Contrary??

Of course Tim's example is a good one, but one example cannot lead a conclusion.

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17 Mar 2007, 16:40
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