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Journalist: In physics journals, the number of articles

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Re: Journalist: In physics journals, the number of articles [#permalink] New post 11 Feb 2012, 10:38
i too am stuck between E and D. can someone explain this properly?
IMO E says particle accelerator research which is not same as stimulus which says research involving particle accelerator. and D seems to negate the reason that low availability of accltrs is the cause.

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Re: Journalist: In physics journals, the number of articles [#permalink] New post 19 Mar 2012, 13:27
E seems to be the strongest one due to the reasons mentioned in the beginning of this thread. Can we have the OA please?
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Re: Journalist: In physics journals, the number of articles [#permalink] New post 19 Mar 2012, 22:47
Straight E its the only one making sense here

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Re: Journalist: In physics journals, the number of articles [#permalink] New post 21 Mar 2012, 18:03
D- even if particle accelerators can be used by multiple groups, they didn't state how many groups there are and how many particle accelerators there are. perhaps if the ratio changed, then maybe we could consider this, but even in the premises they never excluded the possibility of sharing.

B- this one seemed trickier to exclude.. if the time scientists wait is decreasing, one would assume that it can't be the accelerators being broken causing the lower articles.. ie scientists have even faster access. but what if the fact that the accelerator is broken, many groups don't even bother pursuing their experiment and move onto other things. then they technically have zero wait.

say there are 4 researchers waiting 1 day to use a machine, then say the machines are improved so the researchers only have to wait 1/2 day (ans B), well there are still only 4 articles published, although faster perhaps

with E, if their articles aren't even published, then it shows the wait time has no effect on the number of articles.
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Re: Journalist: In physics journals, the number of articles [#permalink] New post 28 Sep 2012, 14:31
mysterio wrote:
ankitranjan wrote:
Journalist: In physics journals, the number of articles reporting the results of experiments involving particle
accelerators was lower last year than it had been in previous years. Several of the particle accelerators at major
research institutions were out of service the year before last for repairs, so it is likely that the low number of
articles was due to the decline in availability of particle accelerators.
Which of the following, if true, most seriously undermines the journalist’s argument?
(A) Every article based on experiments with particle accelerators that was submitted for publication last year
actually was published.
(B) The average time scientists must wait for access to a particle accelerator has declined over the last
several years.
(C) The number of physics journals was the same last year as in previous years.
(D) Particle accelerators can be used for more than one group of experiments in any given year.
(E) Recent changes in the editorial policies of several physics journals have decreased the likelihood that
articles concerning particle-accelerator research will be accepted for publication.

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conclusion : the decrease in number of publication last year was due to unavailability of particle accelerator.
premise 1/ reason : several particle accelerators were out of service


to weaken this argument/conclusion lets look out for an alternate reason leading to conclusion. this is exactly wht option E does, it shows decrease is due to changes in editorial policies.



I chose B, because B tells us that scientists actually had more availably to the particle accelerators bc of decreased wait time. Shouldn't this weaken the argument? Thanks!
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Re: Journalist: In physics journals, the number of articles [#permalink] New post 29 Sep 2012, 13:35
Expert's post
ankitranjan wrote:
Journalist: In physics journals, the number of articles reporting the results of experiments involving particle
accelerators was lower last year than it had been in previous years. Several of the particle accelerators at major
research institutions were out of service the year before last for repairs, so it is likely that the low number of
articles was due to the decline in availability of particle accelerators.
Which of the following, if true, most seriously undermines the journalist’s argument?
(A) Every article based on experiments with particle accelerators that was submitted for publication last year
actually was published.
(B) The average time scientists must wait for access to a particle accelerator has declined over the last
several years.
(C) The number of physics journals was the same last year as in previous years.
(D) Particle accelerators can be used for more than one group of experiments in any given year.
(E) Recent changes in the editorial policies of several physics journals have decreased the likelihood that
articles concerning particle-accelerator research will be accepted for publication.

OA will be given tomorrow.


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My take on this one is pretty similar to the take I had on the Baseball Paradox problem, see baseball-paradox-139713.html#p1126348

The short version is that any time you have a premise that describes some phenomenon and a conclusion that attempts to explain that phenomenon, you should look for alternate explanations.

Since this is a Weaken problem we want an answer that provides one such alternate explanation.

Here, the phenomenon (given as a premise) is that fewer papers were published this year, and some accelerators were down recently. The explanation (conclusion) is that the downtime for the accelerators caused the decrease in published papers. We're looking for an answer choice that would result in a decrease in published papers but has nothing to do with the accelerator down time. Only (E) even comes close to accomplishing this!

The real take-away for this problem (as well as the Baseball Paradox) has nothing to do with the specific problems but rather is about how you should study for Assumptions Family question types on CR. Look for patterns and categories of assumptions and try to generalize everything you do. This will make you much more efficient at brainstorming assumptions and before you know it you'll be accurately predicting most of the correct answers on these problems.

Cheers,
Mark

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Re: Journalist: In physics journals, the number of articles [#permalink] New post 23 Feb 2013, 19:25
I don't see why D couldn't be chosen. E refers to "recent changes" and says that these recent changes *will* affect publication in the future. However, the prompt is talking about a trend that already happened and refers to events that are 1-2 years old, not recent. Why would a change in editorial policies that occurs after the trend affect the amount of articles published last year?

I think D makes sense because if particle accelerators can be used by multiple people in a year, then scientists who would have used the now-broken accelerators can now double up on the working ones. This means that there is not a decline in availability of particle accelerators, so the decrease in articles would have had to come from another source.

Can anyone explain this? The OG guide and the MGMAT video explanation don't even address these concerns.
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Re: Journalist: In physics journals, the number of articles [#permalink] New post 14 Sep 2013, 08:05
nonameee wrote:
For those who are interested, here's why (D) is a wrong answer:

The effect: There were fewer articles reporting the results of experiments involving particle accelerators.

The stated cause (the one we should attack): Some accelerators were unavailable for research.

To refute the cause and effect relationship we need to, for example, find an alternative cause.

(D) doesn't accomplish this because had it been true that other functioning accelerators were available for multiple experiments, the effect would have never occurred in the first place. Well of course if those accelerators hadn't been already used at their full capacities. But even if that were the case, (D) still wouldn't be a great alternative cause of the decline in the number of published articles.

(E) provides an alternative explanation of the stated effect.

The only thing that still bothers me is the word 'lately' in (E). But all in all (E) is a clear winner now.


I also got stuck between D and E, chose D.

"The journalist assumes that lack of access to accelerators is the main reason..."

Undermining this statement option D correctly points out that there cant be any shortage because it can be shared by more than one group....So the reason of declining is something else....

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Re: Journalist: In physics journals, the number of articles [#permalink] New post 08 May 2014, 10:54
Hi!

Can someone pls explain why the correct answer is not D.

I thought if these accelerators can be used for more than one group of experiments then the lack of these accelerators cannot be seen as a reason for the decline of these articles. And that is clearly a flaw in the argument.
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Re: Journalist: In physics journals, the number of articles [#permalink] New post 09 May 2014, 01:40
I really loved the shared information.... Its very helpful for me.... Thanks for sharing.
Re: Journalist: In physics journals, the number of articles   [#permalink] 09 May 2014, 01:40
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