It is illogical to infer a second and different effect from : GMAT Critical Reasoning (CR)
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# It is illogical to infer a second and different effect from

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It is illogical to infer a second and different effect from [#permalink]

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17 Jun 2009, 22:21
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It is illogical to infer a second and different effect from a cause which is known only by one particular effect. This is incorrect because the inferred effect must necessarily be produced by some different characteristic of the cause than is the observed effect, which already serves entirely to describe the cause.
Which one of the following arguments makes the same logical error as the one described by the author in the passage?
(A) An anonymous donor gave a thousand dollars to our historical society. I would guess that that individual also volunteers at the children’s hospital.
(B) The radioactive material caused a genetic mutation, which, in turn, caused the birth defect. Therefore, the radioactive material caused the birth defect.
(C) The tiny, unseen atom is the source of immense power. It must be its highly complex structure that produces this power.
(D) The city orchestra received more funds from the local government this year than ever before. Clearly this administration is more civic-minded than previous ones.
(E) If I heat water, which is a liquid, it evaporates. If I heat hundreds of other liquids like water, they evaporate. Therefore, if I heat any liquid like water, it will evaporate
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Re: LSAT - Parallel Structure [#permalink]

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18 Jun 2009, 12:14
Only A goes on the same line.

rest all related outcome of first to the input of second and thus this forms a chain of events. Only A makes unwarranted assumption.
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Re: LSAT - Parallel Structure [#permalink]

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20 Jun 2009, 03:21
IMO E...
really tricky/toughy..

It took me too long to evaluate.

My Explanation:
Error in passage: One cause => one effect and can't be defined by other effects

Same error in (E)
Heat(cause)=> defined by effect(evaporation)
In last the conclusion heat can cause only evaporation(one effect) and nothing else(no other effects)

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Re: LSAT - Parallel Structure [#permalink]

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04 May 2010, 14:02
sudeep wrote:
IMO E...
really tricky/toughy..

It took me too long to evaluate.

My Explanation:
Error in passage: One cause => one effect and can't be defined by other effects

Same error in (E)
Heat(cause)=> defined by effect(evaporation)
In last the conclusion heat can cause only evaporation(one effect) and nothing else(no other effects)

That is not correct. Any more takers??
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Re: LSAT - Parallel Structure [#permalink]

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04 May 2010, 14:23
IMO Only B and E are contenders..
But still not clear with the final answer..!!
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Re: LSAT - Parallel Structure [#permalink]

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05 May 2010, 08:59
i narrowed it to B and D.

picked (D)

what is the OA?
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Re: LSAT - Parallel Structure [#permalink]

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05 May 2010, 09:17
I think ans is A

Cause: charitable
Effect: donation
Just because a peron donates in X also means he would donate in Y
assumption that it is CHARITABLE nature that prompts someone to donate and no other characteristic of a person.
However,if the person donates in X for one reason that reason might not apply for Y
and hence such an argument is wrong.
Very similar to the arg in stimulus where it assumes that only one characteristic of
an cause wholly makes up the effect.This assumption is wrong
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Re: LSAT - Parallel Structure [#permalink]

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11 May 2010, 16:22

I m not able to understand the stimulus.
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Re: LSAT - Parallel Structure [#permalink]

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12 May 2010, 03:14
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IMO B
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Re: It is illogical to infer a second and different effect from [#permalink]

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15 Oct 2012, 22:10
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IMO A.
my take:
The line of reasoning in stem is that X causes Y. Therefore X must also cause Z.
This is almost similar to the reasoning in A.
Hope that helps.
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Re: It is illogical to infer a second and different effect from [#permalink]

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21 Oct 2012, 01:36
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IMO B...can any one explain

OA??

tenaman10 wrote:
It is illogical to infer a second and different effect from a cause which is known only by one particular effect. This is incorrect because the inferred effect must necessarily be produced by some different characteristic of the cause than is the observed effect, which already serves entirely to describe the cause.
Which one of the following arguments makes the same logical error as the one described by the author in the passage?
(A) An anonymous donor gave a thousand dollars to our historical society. I would guess that that individual also volunteers at the children’s hospital.
(B) The radioactive material caused a genetic mutation, which, in turn, caused the birth defect. Therefore, the radioactive material caused the birth defect.
(C) The tiny, unseen atom is the source of immense power. It must be its highly complex structure that produces this power.
(D) The city orchestra received more funds from the local government this year than ever before. Clearly this administration is more civic-minded than previous ones.
(E) If I heat water, which is a liquid, it evaporates. If I heat hundreds of other liquids like water, they evaporate. Therefore, if I heat any liquid like water, it will evaporate

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Re: It is illogical to infer a second and different effect from [#permalink]

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21 Oct 2012, 05:12
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Cause gives effect.
Hence cause can give another effect.

a) Good guy gives to charity.
Hence good guy must also volunteer.

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Re: It is illogical to infer a second and different effect from [#permalink]

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29 Aug 2016, 03:38
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Re: It is illogical to infer a second and different effect from   [#permalink] 29 Aug 2016, 03:38
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