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# In 1960’s studies of rats, scientists found that crowding increases

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Manager
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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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12 Mar 2016, 23:20
Hi OptimusPrepJanielle, thanks a lot for the response.. Just a small query, how did you arrive at the following premise?

"2. Rhesus monkeys are the most aggressive in nature"

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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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13 Mar 2016, 00:48
1
rs47 wrote:
Hi OptimusPrepJanielle, thanks a lot for the response.. Just a small query, how did you arrive at the following premise?

"2. Rhesus monkeys are the most aggressive in nature"

Hi rs47,

I think my language made you misunderstand my response. Sorry for that.
The points 1 2 and 3 are the flow of thoughts (taking into account the option C) which I have written before hand and then 4th point restates the assumption.
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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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22 May 2016, 15:57
can a moderator go in and edit the question so that the answer is concealed? defeats the whole point of doing the question
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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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30 Jul 2016, 08:40
1
eyunni wrote:
In 1960’s studies of rats, scientists found that crowding increases the number of attacks
among the animals significantly. But in recent experiments in which rhesus monkeys
were placed in crowded conditions, although there was an increase in instances of
“coping” behavior—such as submissive gestures and avoidance of dominant
individuals—attacks did not become any more frequent. Therefore it is not likely that,
for any species of monkey, crowding increases aggression as significantly as was seen in
rats.

Which of the following, if true, most strengthens the argument?

A. All the observed forms of coping behavior can be found among rhesus monkeys living in uncrowded conditions.

B. In the studies of rats, nondominant individuals were found to increasingly avoid dominant individuals when the animals were in crowded conditions.

C. Rhesus monkeys respond with aggression to a wider range of stimuli than any other monkeys do.

D. Some individual monkeys in the experiment were involved in significantly more attacks than the other monkeys were.

E. Some of the coping behavior displayed by rhesus monkeys is similar to behavior rhesus monkeys use to bring to an end an attack that has begun.

Amongst all types of monkeys rhesus monkey respond aggressively to a wide range of things. Now it means they get angry often and get angry on a lots of things. They are the angriest of all monkeys. Now if the angriest of all (these rhesus) did not responded aggressively to crowding, the other varieties of monkeys which are comparatively more milder and gentler then rhesus will not also respond to the crowding.

An analogy will be IF a gladiator someone can fight with a ferocious tiger without any fear then it is logical to think that he would NOT be afraid to fight with a goat. Similarly if over crowding is not making rhesus (who gets violent easily) aggressive, then other monkeys might not get aggressive either .
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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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26 Jul 2017, 11:27
Merged topics. Please, search before posting questions!
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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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04 Oct 2017, 10:03
I got a modified version of the question in GMATPrep EP2. Please have a look at the below question:

In 1960’s studies of rats, scientists found that crowding increases the number of attacks among the animals significantly. But in recent experiments in which rhesus monkeys were placed in crowded conditions, it was not such attacks that increased significantly,but rather instances of “coping” behavior, such as submissive gestures, avoidance of dominant individuals and huddling with relatives. Therefore the evidence from rhesus monkeys makes it doubtful that crowding significantly increases aggressive impulses in primates.
Which of the following, if true, most seriously weakens the argument?

A. The rhesus monkey is the species of monkey that is most prone to fighting.
B. Coping behavior was adopted by the crowded monkeys to forestall acts of aggression among them.
C. All the observed forms of coping behavior can be found among rhesus monkeys living in uncrowded conditions.
D. Some individual monkeys in the experiment were involved in significantly more attacks than the other monkeys were.
E. Some of the rhesus monkeys in the experiments were subjected to levels of crowding that are unlikely to occur in natural circumstances.

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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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10 Jun 2018, 07:26
eyunni wrote:
In 1960’s studies of rats, scientists found that crowding increases the number of attacks
among the animals significantly. But in recent experiments in which rhesus monkeys
were placed in crowded conditions, although there was an increase in instances of
“coping” behavior—such as submissive gestures and avoidance of dominant
individuals—attacks did not become any more frequent. Therefore it is not likely that,
for any species of monkey, crowding increases aggression as significantly as was seen in
rats.

Which of the following, if true, most strengthens the argument?

A. All the observed forms of coping behavior can be found among rhesus monkeys living in uncrowded conditions.

B. In the studies of rats, nondominant individuals were found to increasingly avoid dominant individuals when the animals were in crowded conditions.

C. Rhesus monkeys respond with aggression to a wider range of stimuli than any other monkeys do.

D. Some individual monkeys in the experiment were involved in significantly more attacks than the other monkeys were.

E. Some of the coping behavior displayed by rhesus monkeys is similar to behavior rhesus monkeys use to bring to an end an attack that has begun.

Prethinking.
We have to find some link between rhezus monkeys and other monkeys.
A. No link. Gives us nothing.
B. Same as A.

C. Nice. So the most agressive monkeys (rhesus) in conditions of crowding do not show more agression. So it is logical that less agressive (all other) monkeys also do not show more agression
D. No link. And 'some' is not representative.
E. Same as D.
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Re: In 1960’s studies of rats, scientists found that crowding increases  [#permalink]

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10 Jun 2018, 07:38
devanshu92 wrote:
I got a modified version of the question in GMATPrep EP2. Please have a look at the below question:

In 1960’s studies of rats, scientists found that crowding increases the number of attacks among the animals significantly. But in recent experiments in which rhesus monkeys were placed in crowded conditions, it was not such attacks that increased significantly,but rather instances of “coping” behavior, such as submissive gestures, avoidance of dominant individuals and huddling with relatives. Therefore the evidence from rhesus monkeys makes it doubtful that crowding significantly increases aggressive impulses in primates.
Which of the following, if true, most seriously weakens the argument?

A. The rhesus monkey is the species of monkey that is most prone to fighting.
B. Coping behavior was adopted by the crowded monkeys to forestall acts of aggression among them.
C. All the observed forms of coping behavior can be found among rhesus monkeys living in uncrowded conditions.
D. Some individual monkeys in the experiment were involved in significantly more attacks than the other monkeys were.
E. Some of the rhesus monkeys in the experiments were subjected to levels of crowding that are unlikely to occur in natural circumstances.

A. It is the same as option C in the original question. See the previous post. It strengthens the argument.
C. Again, no link. Gives us nothing.
D, E are same as in original question.

B. Nice one. Why does this option weaken the argument? Because. See this chain
Monkeys are put in crowded conditions ---> they become more uncomfortable, more agressive ---> it is bad for them ---> so they adopt coping behaviour to forestall acts of agression between them.
So they become more agressive! But by coping behaviour they lessen their agression
Re: In 1960’s studies of rats, scientists found that crowding increases &nbs [#permalink] 10 Jun 2018, 07:38

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