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# Student Advisor: One of our exchange students faced multiple

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20 Dec 2011, 01:48
+1 for B.
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21 Dec 2011, 00:29
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+1 if you like my explanation .Thanks

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26 Dec 2011, 08:27
good question , great explanation also
thank you , did not saw B as answer
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07 Jan 2012, 22:18
B
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09 Jan 2012, 08:12
casual reasoning based Qn...
+1 B.( reversal is not true)
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20 Feb 2013, 19:25
Classic case of causal reasoning.

Stated relation is not reversed that weakens the argument.
So that possibility is highlighted and avoided by option (B).

Hence , (B).
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03 Jul 2014, 17:47
Between B and C

B) The programming content of NN IS ....more closely aligned.... Leads me to believe that it's more aligned because they changed their programming. Thus this answer supports the conclusion that more people switch to NN.

C) WW viewers liked NN better than WW. .......If they did like it, then why was the number of viewers lower in the first place?

I understand why C is correct, but I do feel like the tenses they used on the questions confused me.
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31 Jul 2014, 23:18
Go for B

Fact 1: the student argue with her parents
Fact 2: Her GPD declined
Conclusion: 1 --> 2
Assumption: if fact 2 caused fact 1, then we cannot conclude that fact 1 cause fact 2
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03 Aug 2016, 12:30
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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03 Aug 2016, 12:34
fluke wrote:
ankit1234suhane wrote:
assumption is link between premise and conclusion if that is true how come OA is B?. OA B is reversal of conclusion.
Pls explain

Two things happened:
1. The student scored low.
2. The student had arguments with her parents.

While these two evidences seem to be interdependent, they may very well not be.

The student may be scoring low because of a third reason; perhaps she wants to pursue a different career altogether. Perhaps the very cause that triggered event 1 above could have also triggered 2, who knows.

Just because we are presented with two events, we can't deduce that one occurred because of the other.

(B) just reiterates one of the possible assumptions. It's excluding the possibility that event 1 caused event 2. For the conclusion to be true, we must at least make this assumption. There may be 1000 other assumptions to become sure of the conclusion; however, B should be one among those. "After all, an assumption" is what's asked.

Ans: "B"

****************************************************
Note: "B" alone wouldn't be sufficient to validate the conclusion.

The conclusion in plain words is that 'Problems in personal relationships affect academic results'. But B says, that the arguments with family post decline in academic results was not reason for trouble with family'. Aren't the two contradicting each other.
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16 Dec 2016, 21:07
parker wrote:
Great explanation fluke!

This is a classic type of assumption. Anytime you are presented with an observation about two events that CORRELATE, and the conclusion makes a CAUSAL claim, it's a very good idea to check that there were not alternate models of causation that could have explained the observed phenomenon.

Remember that you're looking for a *necessary* assumption for these arguments--without that assumption being true, the argument falls apart. As gmatpassion said above, if you negate choice B the conclusion will no longer hold. That means the positive version of the answer choice must have been necessary to uphold the conclusion. In this case, the argument makes a causal claim (family problems CAUSE academic difficulties) based on the observed correlation between one student's drop in GPA and that student's family difficulties. This observation is of two events that happened at the SAME TIME. CAUSATION, however, implies that one happened BEFORE the other and LED to the other. One possible explanation of the correlation is the conclusion mentioned, but it's just as possible that the reverse model of causation was true (or that some third unknown factor caused both...for example, what if the student developed a psychological disorder that affected both relationships and GPA?)

I don't recommend defaulting to negation for all five choices because it can take some time, but if you're down to 2 answers choices and are having a hard time figuring out which is necessary and which is merely "helpful," negation is a very powerful tool. Here, if we say that the GPA decline WAS the reason for the arguments, then it's not possible for the arguments to have been the reason for the GPA decline (as the original conclusion posits). This must be our answer.

Hi,
thanks for your helpful sulotion, but I am wondering why (C) is not correct. In this case, one of my brainstormed assuption is that "GPA can be the indicator for acedemic ability, which is the intellectual ability (is it right?)". So, when it comes to (C), it meets the assumption that GPA is the accurate measure of intellectual ability. Here, we can use the negation method. Then (C)'s negation is GPA is not the accurate measure of intellectual ability, and that clearly hurts the conclusion based on the above assumption. If GPA cannot reflect the academic ability, how can they say the lower GPA means academic difficulties? -----even stronger than (B)

Is there anything i misunderstood? Thanks for more explanation:)
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20 Dec 2016, 08:44
Jez0612 wrote:
parker wrote:
Great explanation fluke!

This is a classic type of assumption. Anytime you are presented with an observation about two events that CORRELATE, and the conclusion makes a CAUSAL claim, it's a very good idea to check that there were not alternate models of causation that could have explained the observed phenomenon.

Remember that you're looking for a *necessary* assumption for these arguments--without that assumption being true, the argument falls apart. As gmatpassion said above, if you negate choice B the conclusion will no longer hold. That means the positive version of the answer choice must have been necessary to uphold the conclusion. In this case, the argument makes a causal claim (family problems CAUSE academic difficulties) based on the observed correlation between one student's drop in GPA and that student's family difficulties. This observation is of two events that happened at the SAME TIME. CAUSATION, however, implies that one happened BEFORE the other and LED to the other. One possible explanation of the correlation is the conclusion mentioned, but it's just as possible that the reverse model of causation was true (or that some third unknown factor caused both...for example, what if the student developed a psychological disorder that affected both relationships and GPA?)

I don't recommend defaulting to negation for all five choices because it can take some time, but if you're down to 2 answers choices and are having a hard time figuring out which is necessary and which is merely "helpful," negation is a very powerful tool. Here, if we say that the GPA decline WAS the reason for the arguments, then it's not possible for the arguments to have been the reason for the GPA decline (as the original conclusion posits). This must be our answer.

Hi,
thanks for your helpful sulotion, but I am wondering why (C) is not correct. In this case, one of my brainstormed assuption is that "GPA can be the indicator for acedemic ability, which is the intellectual ability (is it right?)". So, when it comes to (C), it meets the assumption that GPA is the accurate measure of intellectual ability. Here, we can use the negation method. Then (C)'s negation is GPA is not the accurate measure of intellectual ability, and that clearly hurts the conclusion based on the above assumption. If GPA cannot reflect the academic ability, how can they say the lower GPA means academic difficulties? -----even stronger than (B)

Is there anything i misunderstood? Thanks for more explanation:)

Hello there , you are not following correct approach . Hope my explanation will help

Student Advisor: One of our exchange students faced multiple arguments with her parents over the course of the past year. Not surprisingly, her grade point average (GPA)over the same period showed a steep decline. This is just one example of a general truth: problematic family relationships can cause significant academic difficulties for our students.

Which of the following is an assumption underlying the general truism claimed by the Student Advisor?
(A) Last year, the exchange student reduced the amount of time spent on academic work, resulting in a lower GPA.
(B) The decline in the GPA of the. exchange student was not the reason for the student's arguments with her parents.
(C) School GPA is an accurate measure of a student's intellectual ability.
(D) If proper measures are not taken, the decline in the student's academic performance may become irreversible.
(E) Fluctuations in academic performance are typical for many students.

Conclusion here : This is just one example of a general truth: problematic family relationships can cause significant academic difficulties for our students.

assumption question requires statement that is required for the argument or conclusion to be true. So option C is irrelevant as it doesnt affect conclusion in any way whereas option B strengthens the conclusion by confirming that reason is not other way possible i.e. GPA decline is not the reason of argument .
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Re: Student Advisor: One of our exchange students faced multiple   [#permalink] 20 Dec 2016, 08:44

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