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A few decades ago it was popular to link dramatic increases

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A few decades ago it was popular to link dramatic increases [#permalink] New post 28 Jul 2011, 14:36
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A few decades ago it was popular to link dramatic increases in urban antisocial behavior with high population density, and to support this with studies of laboratory rats, which exhibit randomly violent behavior under conditions of extreme overcrowding. It has since become obvious that the analogy between rats and humans is simplistic at best, and leaves out considerations like human adaptability and cultural factors that are of key importance in determining human behavior.

Which of the following, if true, best supports the conclusion the author presents in the passage above?

A) Testing new products on laboratory rats has sometimes led to unnecessary alarm about their adverse effects on human health.
B) Rats thrive in the crowded conditions of human urban society.
C) Rats also exhibit unnatural behavior in conditions of extreme isolation.
D) Although rat behavior does change in crowded conditions, what results is not random violence but a new, radically different social order.
E) In some extremely crowded cities there is relatively little antisocial behavior, whereas some sparsely – populated rural communities have very high rates of such behavior.
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Re: CR - 700 level - Rats [#permalink] New post 28 Jul 2011, 19:05
I will go with E . E gives example of difference between human behavior and rats. What is the OA?

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Re: CR - 700 level - Rats [#permalink] New post 28 Jul 2011, 21:58
i think C supports the similarity between rats and human behavior.
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Re: CR - 700 level - Rats [#permalink] New post 28 Jul 2011, 22:22
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The answer should be (E).

The question says that the analogy between humans and rats is simplistic, because of factors like human adaptability and cultural behavior that determine the behavior of humans (and not rats).

(A): Testing new products on rats has no relation to the behavior they exhibit in different conditions. Incorrect.
(B): We cannot determine the response of rats or humans by the behavior of rats in crowded human conditions. Incorrect.
(C): Even if rats exhibit unnatural behavior in crowded conditions, we must have some way of comparing this with what humans do in such conditions to draw a meaningful inference. This information is not provided so we cannot make the comparison. Incorrect.
(D): If rats exhibit not random violence but a new, different social order then this would oppose the author's argument - rats would seem to be exhibiting adaptability, similar to what humans do. It would then become difficult to distinguish between the two. Incorrect.
(E): CORRECT. If there is little violent behavior in some crowded human societies, and higher violent behavior in some sparsely populated communities, it means that human behavior is changing according to adaptation. This is not the behavior exhibited by mice - which seem to consistently exhibit violent behavior in conditions of extreme overcrowding. Therefore this choice elucidates the difference between human and rat behavior.
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Re: CR - 700 level - Rats [#permalink] New post 29 Jul 2011, 11:04
E is the only answer that will weaken the argument if we negate it. IMO E
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Re: CR - 700 level - Rats [#permalink] New post 29 Jul 2011, 17:19
In inference questions we are looking for something that restates the conclusion or supports the evidence given above. Here the evidence is given in opposition of a link between overcrowding and anti-social behavior. Which means density of population does not have a causal relationship to antisocial behavior.

Answer choice E states that there is no relationship between crowding and antisocial behavior. Hence E is correct.
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Re: CR - 700 level - Rats [#permalink] New post 29 Jul 2011, 18:27
+1 for E
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Re: CR - 700 level - Rats [#permalink] New post 17 Aug 2011, 23:52
E should be the asnswer becasue that the only option supports the conclusion
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Re: CR - 700 level - Rats [#permalink] New post 20 Aug 2011, 10:12
+1 E
whts the OA?
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Re: CR - 700 level - Rats [#permalink] New post 20 Aug 2011, 17:05
Ill go for E
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Re: CR - 700 level - Rats [#permalink] New post 24 Aug 2011, 10:43
In my opinion A
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Re: CR - 700 level - Rats [#permalink] New post 24 Aug 2011, 12:41
I vote of E.
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Re: CR - 700 level - Rats [#permalink] New post 28 Aug 2011, 15:19
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Re: CR - 700 level - Rats [#permalink] New post 29 Aug 2011, 01:43
+1 for E.

Its the only option that supports the conclusion.

What is the OA.
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Re: CR - 700 level - Rats [#permalink] New post 30 Aug 2011, 12:53
A) Testing new products on laboratory rats has sometimes led to unnecessary alarm about their adverse effects on human health. OUT OF SCOPE
B) Rats thrive in the crowded conditions of human urban society. IRRELEVANT
C) Rats also exhibit unnatural behavior in conditions of extreme isolation. UNNATURAL OUT OF SCOPE
D) Although rat behavior does change in crowded conditions, what results is not random violence but a new, radically different social order. OUT OF SCOPE
E) In some extremely crowded cities there is relatively little antisocial behavior, whereas some sparsely – populated rural communities have very high rates of such behavior. CORRECT

E IS OA
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Re: CR - 700 level - Rats [#permalink] New post 30 Aug 2011, 14:04
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Re: CR - 700 level - Rats [#permalink] New post 30 Aug 2011, 18:19
+1 E

It shows that overcrowded places not always cause antisocial behavior in humans, unlike in rats.
Therefore, it shows that rats cannot be used as an analogy for human behavior.
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Re: A few decades ago it was popular to link dramatic increases [#permalink] New post 02 Jun 2013, 09:39
ruplun wrote:
bschool83 wrote:
A few decades ago it was popular to link dramatic increases in urban antisocial behavior with high population density, and to support this with studies of laboratory rats, which exhibit randomly violent behavior under conditions of extreme overcrowding. It has since become obvious that the analogy between rats and humans is simplistic at best, and leaves out considerations like human adaptability and cultural factors that are of key importance in determining human behavior.

Which of the following, if true, best supports the conclusion the author presents in the passage above?

A) Testing new products on laboratory rats has sometimes led to unnecessary alarm about their adverse effects on human health.
B) Rats thrive in the crowded conditions of human urban society.
C) Rats also exhibit unnatural behavior in conditions of extreme isolation.
D) Although rat behavior does change in crowded conditions, what results is not random violence but a new, radically different social order.
E) In some extremely crowded cities there is relatively little antisocial behavior, whereas some sparsely – populated rural communities have very high rates of such behavior.



what is the conclusion here?


Author is not in favor of comparison between Rats and Human. Simplistic means simple treatment of complex phenomenon. So, Author is not in favor of this comparison.
It has since become obvious that the analogy between rats and humans is simplistic at best, and leaves out considerations like human adaptability and cultural factors that are of key importance in determining human behavior.

E points out that and therefore must be in agreement with Author
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Re: A few decades ago it was popular to link dramatic increases [#permalink] New post 02 Jun 2013, 13:53
Fact: A few decades ago, dramatic increases in urban antisocial behavior was linked with high population density
Fact: Laboratory rats exhibit randomly violent behavior under conditions of extreme overcrowding
Fact: However, the analogy between rats and humans is simplistic at best ["simplistic at best" means too simple or incomplete]

Conclusion: KEY factors in determining human behavior are Human adaptability and cultural factors, NOT population density.

To strengthen the conclusion, we need to show in crowded cities, there is relatively little antisocial behavior. That will support the conclusion that population density is NOT KEY importance in determining human behavior.

E states exactly the same, hence is correct.

Hope it helps.
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Re: A few decades ago it was popular to link dramatic increases [#permalink] New post 21 Jun 2013, 02:36
My ans is A, the conclusion says that the analogy b/w rats and humans are simplistic best and leaves out the other factors which determine human behaviour and we have to choose an option which strengthens the conclusion, how can it be E
Re: A few decades ago it was popular to link dramatic increases   [#permalink] 21 Jun 2013, 02:36
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