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A conservation group in the United States is trying to change the long

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New post Updated on: 03 Dec 2018, 07:42
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Project CR Butler:Day 28:Critical Reasoning (CR2)


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A conservation group in the United States is trying to change the long-standing image of bats as frightening creatures. The group contends that bats are feared and persecuted solely because they are shy animals that are active only at night.

Which of the following, if true, would cast the most serious doubt on the accuracy of the group’s contention?

(A) Bats are steadily losing natural roosting places such as caves and hollow trees and are thus turning to more developed areas for roosting.

(B) Bats are the chief consumers of nocturnal insects and thus can help make their hunting territory more pleasant for humans.

(C) Bats are regarded as frightening creatures not only in the United States but also in Europe, Africa, and South America.

(D) Raccoons and owls are shy and active only at night; yet they are not generally feared and persecuted.

(E) People know more about the behavior of other greatly feared animal species, such as lions, alligators, and snakes, than they do about the behavior of bats.
The Official Guide for GMAT Review, 10th Edition, 2003

Practice Question
Question No.: CR 9
Page: 501

Originally posted by ugimba on 04 Mar 2009, 09:21.
Last edited by gmat1393 on 03 Dec 2018, 07:42, edited 2 times in total.
Edited the question.
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New post 04 Mar 2009, 09:47
A- because it says bats are now moving to more developed area for settling where as the group say bats are shy animals. Shy animals dont move into a area where there are lots of people.

Other choices are all irrelevant
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New post 04 Mar 2009, 09:53
ugimba wrote:
A conservation group in the United States is trying to change the long-standing image of bats as frightening creatures. The group contends that bats are feared and persecuted solely because they are shy animals that are active only at night.
Which of the following, if true, would cast the most serious doubt on the accuracy of the group’s contention?
(A) Bats are steadily losing natural roosting places such as caves and hollow trees and are thus turning to more developed areas for roosting.
(B) Bats are the chief consumers of nocturnal insects and thus can help make their hunting territory more pleasant for humans.
(C) Bats are regarded as frightening creatures not only in the United States but also in Europe, Africa, and South America.
(D) Raccoons and owls are shy and active only at night; yet they are not generally feared and persecuted.
(E) People know more about the behavior of other greatly feared animal species, such as lions, alligators, and snakes, than they do about the behavior of bats.

D?
Argument conclusion: bats are feared solely because they are shy animals that are active only at night.
D weakens it.
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New post 04 Mar 2009, 10:35
the people who picked D.. is D not out side of the argument? because, in the argument description, author talking about bats only right? for Raccoons and Owls that may be the case but for bats, that may not be the case?

I thought A makes more sense because, they are coming closer to developed areas (means they will involve with crowd) says that they are not shy...

where am I missing the point?
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New post 04 Mar 2009, 10:47
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ugimba wrote:
the people who picked D.. is D not out side of the argument? because, in the argument description, author talking about bats only right? for Raccoons and Owls that may be the case but for bats, that may not be the case?

I thought A makes more sense because, they are coming closer to developed areas (means they will involve with crowd) says that they are not shy...

where am I missing the point?


For weaken or strengthen question, you need to focus on the conclusion of the argument. The correct answer choice should impact the conclusion. The conclusion of this argument said the bat is feared solely because it is shy and active only at night. Answer D shows there might be other reasons the bat is feared. The question's focus is not whether the bat is shy or not shy. The focus is whether the bat is feared only because it is shy. (Pay attention to the word solely.)
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New post 04 Mar 2009, 12:03
Eileen, I got it now...i considered only the argument, bat is shy, thats y chose A,
I did not take into account their activity in the night and A does not tell anything about it.

eileen1017 wrote:
ugimba wrote:
the people who picked D.. is D not out side of the argument? because, in the argument description, author talking about bats only right? for Raccoons and Owls that may be the case but for bats, that may not be the case?

I thought A makes more sense because, they are coming closer to developed areas (means they will involve with crowd) says that they are not shy...

where am I missing the point?


For weaken or strengthen question, you need to focus on the conclusion of the argument. The correct answer choice should impact the conclusion. The conclusion of this argument said the bat is feared solely because it is shy and active only at night. Answer D shows there might be other reasons the bat is feared. The question's focus is not whether the bat is shy or not shy. The focus is whether the bat is feared only because it is shy. (Pay attention to the word solely.)
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New post 04 Mar 2009, 12:07
eileen1017 wrote:
ugimba wrote:
the people who picked D.. is D not out side of the argument? because, in the argument description, author talking about bats only right? for Raccoons and Owls that may be the case but for bats, that may not be the case?

I thought A makes more sense because, they are coming closer to developed areas (means they will involve with crowd) says that they are not shy...

where am I missing the point?


For weaken or strengthen question, you need to focus on the conclusion of the argument. The correct answer choice should impact the conclusion. The conclusion of this argument said the bat is feared solely because it is shy and active only at night. Answer D shows there might be other reasons the bat is feared. The question's focus is not whether the bat is shy or not shy. The focus is whether the bat is feared only because it is shy. (Pay attention to the word solely.)



Thank you for your explanation.
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Re: A conservation group in the United States is trying to change the long  [#permalink]

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New post 04 Mar 2009, 22:54
Clearly D
weaken Question
conclusion is
bats are feared and persecuted solely because they are shy animals that are active only at night.

we have to found some shy and active nocturnal (Bat type) who are not feared and prosecuted...

ugimba wrote:
A conservation group in the United States is trying to change the long-standing image of bats as frightening creatures. The group contends that bats are feared and persecuted solely because they are shy animals that are active only at night.
Which of the following, if true, would cast the most serious doubt on the accuracy of the group’s contention?
(A) Bats are steadily losing natural roosting places such as caves and hollow trees and are thus turning to more developed areas for roosting.
(B) Bats are the chief consumers of nocturnal insects and thus can help make their hunting territory more pleasant for humans.
(C) Bats are regarded as frightening creatures not only in the United States but also in Europe, Africa, and South America.
(D) Raccoons and owls are shy and active only at night; yet they are not generally feared and persecuted.
(E) People know more about the behavior of other greatly feared animal species, such as lions, alligators, and snakes, than they do about the behavior of bats.

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New post 05 Feb 2010, 10:11
Ans is Clearly D. with counter example
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New post 05 Feb 2010, 11:45
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D for me by process of elimination.

A)
certainly offers an alternative theory to why bats may be persecuted - because they come into contact with humans since they are losing their roosting places and moving into human territory. However the main argument is that humans persecute bats because they are shy so this choice does not do anything to cast doubt on that argument

B) - same as A. Good alternative theory that does nothing to address the main reason the group thinks bats are persecuted.

C) Is irrelevant. So they're frightening in Europe, Africa and S.America - so what? It does not address the theory posed in the question (people persecute bats because they are shy)

D) Now this to me seems to offer a counter argument to the theory. Why don't people persecute racoons and owls yet they exhibit the same characteristics as bats?

E) Actually strengthens the argument posed. That people persecute bats because they do not understand them.

My pick: D
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New post 10 Feb 2011, 05:20
The reasoning is : bats are shy => we fear bats.
D says that others such as racoons and owls are shy but we do not fear them. D wins.
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New post 10 Feb 2011, 09:54
answer is D.
it is directly opposite to the conclusion.
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New post 10 Feb 2011, 20:58
ugimba wrote:
the people who picked D.. is D not out side of the argument? because, in the argument description, author talking about bats only right? for Raccoons and Owls that may be the case but for bats, that may not be the case?

I thought A makes more sense because, they are coming closer to developed areas (means they will involve with crowd) says that they are not shy...

where am I missing the point?


This is third family question (weaken question), so answer should be accepted as given even if it is not in the stimulus.. In this question D can be an alternative explantion or more appropriatly a valid counter argument, which will weaken the author conclusion.
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New post 27 Feb 2011, 02:25
I agree. I think bats are shy. They only come out at night and when the are sleeping they cover their face. What a unique characteristic of a shy mammals.
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New post 31 Aug 2011, 07:37
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after reading the cause and affect reasoning chapter in Powerscore Bible i came to the conclusion that if there is an alternate cause for the effect then it should weaken the argument.
here
Bats are shy animal(cause)->bats are persecuted(effect)

choice A gives an alternate cause they come to developed areas.I conder D as an Answer but when i approach the problem after reading Powerscore Bible i choose A.What's the mistake in this approach
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New post 14 Feb 2012, 11:04
I strongly recomend D.
Basically this is a CR could be found in GMAT official guide 11th edition....
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New post 15 Feb 2012, 05:43
(A) Bats are steadily losing natural roosting places such as caves and hollow trees and are thus turning to more developed areas for roosting. --- this doenst state anything against the intention
(B) Bats are the chief consumers of nocturnal insects and thus can help make their hunting territory more pleasant for humans. --- supporting the idea
(C) Bats are regarded as frightening creatures not only in the United States but also in Europe, Africa, and South America. --- supporting the idea
(D) Raccoons and owls are shy and active only at night; yet they are not generally feared and persecuted. --- against the idea
(E) People know more about the behavior of other greatly feared animal species, such as lions, alligators, and snakes, than they do about the behavior of bats. ---- irrelevant

so D is the answer

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Re: A conservation group in the United States is trying to change the long  [#permalink]

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New post 15 Feb 2012, 13:41
I still haven't developed a real strategy towards answering these questions, but when focusing on the question asked, the only answer that seem to be relevant to the argument presented was answer D.
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New post 16 Feb 2012, 03:00
The conclusion in this case is "bats are feared and persecuted" and the support for "why the reason they are feared" is provided by the keyword "because" and its following statement "they are shy animals that are active only at night."

Since its a weaken question lets try and find out an answer choice that dismantles the support structure on which the conclusion is drawn. Lets evaluate each of the answer choices

(A) Bats are steadily losing natural roosting places such as caves and hollow trees and are thus turning to more developed areas for roosting.
# Loosing natural habitat doesnt make bats less shy or nocturnal and thats the prime reason for people to fear them. So this choice doesnt do enough or for that matter any damage to the support statement
(B) Bats are the chief consumers of nocturnal insects and thus can help make their hunting territory more pleasant for humans.
# This shows an advantage of bats living in the vicnity of humans, so doesnt weaken the support structure
(C) Bats are regarded as frightening creatures not only in the United States but also in Europe, Africa, and South America.
# This only restates the conclusion by giving some more inforation that other countries also have the same phenomena
(D) Raccoons and owls are shy and active only at night; yet they are not generally feared and persecuted.
# This contradicts the supporting statements saying that only because an animal is shy and nocturnal doesnt mean people are afraid of it - This is the correct answer
(E) People know more about the behavior of other greatly feared animal species, such as lions, alligators, and snakes, than they do about the behavior of bats.
#Goes out of the scope of the argumnet, irrelevant
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Re: A conservation group in the United States is trying to change the long  [#permalink]

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New post 06 Mar 2012, 20:31
D

Shy & Active at night(Cause) ->> Fear(Effect)

To weaken this relation we will show that cause is there but no effect.

D is correctly expressing this with the example of Raccoons and owls
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Re: A conservation group in the United States is trying to change the long &nbs [#permalink] 06 Mar 2012, 20:31

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