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In an experiment, volunteers walked individually through a dark, aband

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In an experiment, volunteers walked individually through a dark, aband [#permalink]

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In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Which of the following, if true, would most seriously weaken the researchers’ reasoning?

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural.
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie.
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences.
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.
E. The researchers did not believe that the theater was haunted.

OG Verbal 2017 New Question(Book Question: 180)
[Reveal] Spoiler: OA

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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P1 :- two groups
P2 :- first group has been told theater is haunted
P2 :- second been told that it was under renovation
P3 :- First half reported significantly more unusual

conclusion :- it is because of prior expectations.
Basically author is assuming they actually believe the statement
B is just opposite as it says they don't believe the author

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 18 Sep 2016, 03:02
The important part of the conclusion is reports of ... generally result from prior expectations of such experiences.

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural.
Irrelevant, this does not support conclusion as the second half were not expecting the theater to be haunted
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie.
Possible candidate, assumption is that first group would assume that it was actually haunted
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences.
Plausible but not relevant to conclusion
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.
Irrelevant
E. The researchers did not believe that the theater was haunted.
Irrelevant

This leaves only B as the answer

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 05 Nov 2016, 21:31
AbdurRakib wrote:
In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Which of the following, if true, would most seriously weaken the researchers’ reasoning?

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural.
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie.
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences.
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.
E. The researchers did not believe that the theater was haunted.

OG Verbal 2017 New Question(Book Question: 180)


Hi,

I cannot understand, why option B is the answer. The argument has cause and effect relation in the conclusion, which says that the prior expectation of supernatural activity made them experience unusual activity. Hence,

Prior expectation-> unusual experience.
Hence if we prove that something else lead to unusual experience, we can weaken the argument. Option C, says each participant had prior belief of supernatural experience. Hence it could be prior belief of supernatural experience that could cause such experience not the expectation of supernatural activity.

Please, help why my reasoning is flawed and why B is OA.

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 06 Nov 2016, 11:36
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1988achilles wrote:
AbdurRakib wrote:
In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Which of the following, if true, would most seriously weaken the researchers’ reasoning?

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural.
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie.
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences.
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.
E. The researchers did not believe that the theater was haunted.

OG Verbal 2017 New Question(Book Question: 180)


Hi,

I cannot understand, why option B is the answer. The argument has cause and effect relation in the conclusion, which says that the prior expectation of supernatural activity made them experience unusual activity. Hence,

Prior expectation-> unusual experience.
Hence if we prove that something else lead to unusual experience, we can weaken the argument. Option C, says each participant had prior belief of supernatural experience. Hence it could be prior belief of supernatural experience that could cause such experience not the expectation of supernatural activity.

Please, help why my reasoning is flawed and why B is OA.

Regards


Option C does not state that the first group had significantly more people who had prior belief in supernatural. Rather this option indicates that both the groups were diverse (each group varied considerably in their prior beliefs) and hence the result was not biased because of some particular trait in a particular group. Thus option C in a way strengthens the argument.

Option B. If the volunteers in the first group did not believe the statement that the theater was haunted, then they would not have had any expectation for supernatural experiences. Thus their report ( significantly more unusual experiences ) was not caused by their expectation, but by something else. This option is therefore a weakener.

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 08 Dec 2016, 19:36
sayantanc2k wrote:
1988achilles wrote:
AbdurRakib wrote:
In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Which of the following, if true, would most seriously weaken the researchers’ reasoning?

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural.
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie.
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences.
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.
E. The researchers did not believe that the theater was haunted.

OG Verbal 2017 New Question(Book Question: 180)


Hi,

I cannot understand, why option B is the answer. The argument has cause and effect relation in the conclusion, which says that the prior expectation of supernatural activity made them experience unusual activity. Hence,

Prior expectation-> unusual experience.
Hence if we prove that something else lead to unusual experience, we can weaken the argument. Option C, says each participant had prior belief of supernatural experience. Hence it could be prior belief of supernatural experience that could cause such experience not the expectation of supernatural activity.

Please, help why my reasoning is flawed and why B is OA.

Regards


Option C does not state that the first group had significantly more people who had prior belief in supernatural. Rather this option indicates that both the groups were diverse (each group varied considerably in their prior beliefs) and hence the result was not biased because of some particular trait in a particular group. Thus option C in a way strengthens the argument.

Option B. If the volunteers in the first group did not believe the statement that the theater was haunted, then they would not have had any expectation for supernatural experiences. Thus their report ( significantly more unusual experiences ) was not caused by their expectation, but by something else. This option is therefore a weakener.


Option D states that the unusual experiences had a cause that didn't involve supernatural. So, if the reports themselves don't contain supernatural events, then how the researcher could conclude anything? Doesn't option D undermine the conclusion. I totally understand why B is the option, but I am confused about D.

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 08 Dec 2016, 23:47
abhishekaqsais wrote:
sayantanc2k wrote:
1988achilles wrote:
[quote="AbdurRakib"]In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Which of the following, if true, would most seriously weaken the researchers’ reasoning?

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural.
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie.
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences.
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.
E. The researchers did not believe that the theater was haunted.

OG Verbal 2017 New Question(Book Question: 180)


Hi,

I cannot understand, why option B is the answer. The argument has cause and effect relation in the conclusion, which says that the prior expectation of supernatural activity made them experience unusual activity. Hence,

Prior expectation-> unusual experience.
Hence if we prove that something else lead to unusual experience, we can weaken the argument. Option C, says each participant had prior belief of supernatural experience. Hence it could be prior belief of supernatural experience that could cause such experience not the expectation of supernatural activity.

Please, help why my reasoning is flawed and why B is OA.

Regards


Option C does not state that the first group had significantly more people who had prior belief in supernatural. Rather this option indicates that both the groups were diverse (each group varied considerably in their prior beliefs) and hence the result was not biased because of some particular trait in a particular group. Thus option C in a way strengthens the argument.

Option B. If the volunteers in the first group did not believe the statement that the theater was haunted, then they would not have had any expectation for supernatural experiences. Thus their report ( significantly more unusual experiences ) was not caused by their expectation, but by something else. This option is therefore a weakener.


Option D states that the unusual experiences had a cause that didn't involve supernatural. So, if the reports themselves don't contain supernatural events, then how the researcher could conclude anything? Doesn't option D undermine the conclusion. I totally understand why B is the option, but I am confused about D.[/quote]
Hi,

The unstated assumption is that the first group of people believed in researchers story before entering the area. You need to find something that refutes this assumption. Option D just states that the causes may not be supernatural. These are the author's words and the participants may not feel the same. Therfore option D is out of scope for the current argument

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 02 Jan 2017, 23:18
Hi, How can we rule out option D? My thinking was that if there was indeed some experience that was not supernatural then it undermines the conclusion that prior expectations of such experiences was the cause?
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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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rakaisraka wrote:
Hi, How can we rule out option D? My thinking was that if there was indeed some experience that was not supernatural then it undermines the conclusion that prior expectations of such experiences was the cause?
Thanks


It is not stated that only the volunteers of the second group understood that there was some natural reason for the experience. Therefore the reason for more unusual experiences for the first group cannot be attributed to the fact that the second group, but not the first group, understood that actual reasons were not supernatural. Thus the reason for more unusual experience from the first group can still be attributed to the fact that the first group expected something unusual. Hence option D does not weaken the conclusion.

(Note: As long as it is not given that the volunteers were aware of the natural reason for the experience, it is not important whether the experiences were actually because of supernatural reason or natural reason.)

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 25 May 2017, 09:39
Hi sayantanc2k,

Can you take an example to help understand this logic for option D ?

sayantanc2k wrote:
rakaisraka wrote:
Hi, How can we rule out option D? My thinking was that if there was indeed some experience that was not supernatural then it undermines the conclusion that prior expectations of such experiences was the cause?
Thanks


It is not stated that only the volunteers of the second group understood that there was some natural reason for the experience. Therefore the reason for more unusual experiences for the first group cannot be attributed to the fact that the second group, but not the first group, understood that actual reasons were not supernatural. Thus the reason for more unusual experience from the first group can still be attributed to the fact that the first group expected something unusual. Hence option D does not weaken the conclusion.

(Note: As long as it is not given that the volunteers were aware of the natural reason for the experience, it is not important whether the experiences were actually because of supernatural reason or natural reason.)

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In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 12 Aug 2017, 21:17
AbdurRakib wrote:
In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Which of the following, if true, would most seriously weaken the researchers’ reasoning?

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural.
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie.
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences.
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.
E. The researchers did not believe that the theater was haunted.

OG Verbal 2017 New Question(Book Question: 180)


D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural.

My understanding for option D.
This option is simply stating that CAUSE for each unusual experience reported by the volunteers(both the first and second half) did not involve the supernatural. But are the volunteers themselves aware of the cause?? :?: :?: The volunteers are simply reporting the unusual experience and that too the first half reported significantly more unusual experiences than the second did. These volunteers specifically the first half of the volunteers had been told that the theater was haunted, so they may believe that the cause of each unusual experience that they are experiencing was due to supernatural. This in turn supports the conclusion that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Can someone explain option D in more detail? VeritasPrepKarishma, can you please review my explanation?
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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 23 Aug 2017, 09:26
B is correct - If none of the volunteers believed the researchers' claim that the theater was haunted, then the implicit assumption that several of those volunteers expected supernatural experiences in the theater is flawed, and so the inference that their prior expectations probably account for their reports of supernatural experiences is flawed.
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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 23 Aug 2017, 10:23
In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Which of the following, if true, would most seriously weaken the researchers’ reasoning?

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural. -The second group weren't told that the place was haunted. Out of scope.
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie. -Correct. If all the members of the first group thought that what they were told is a lie, then they didn't have any expectation.
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences. -This is a strengthener.
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural. -We are not worried about the cause.
E. The researchers did not believe that the theater was haunted. -The argument is about the volunteers.
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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 08 Sep 2017, 00:50
pikolo2510 wrote:
Hello experts,

Can you explain why option D is incorrect?


The point of the passage is not what actually caused the unusual events, even if there have been any, but whether the inference drawn from those events, as felt by the representative of the experiments, can be attributed to the prior experience of such knowledge.

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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 10 Sep 2017, 11:50
In an experiment, volunteers walked individually through a dark, abandoned theater. Half of the volunteers had been told that the theater was haunted and the other half that it was under renovation. The first half reported significantly more unusual experiences than the second did. The researchers concluded that reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

Type - weaken
Boil it down - reports of encounters with ghosts and other supernatural entities generally result from prior expectations of such experiences.

A. None of the volunteers in the second half believed that the unusual experiences they reported were supernatural. - Incorrect - second group was not told about the haunting
B. All of the volunteers in the first half believed that the researchers’ statement that the theater was haunted was a lie. - Correct - If this is true , then people of first group did not have prior expectations
C. Before being told about the theater, the volunteers within each group varied considerably in their prior beliefs about supernatural experiences. - Incorrect - it tells that groups there was variations even in the people in the two groups
D. Each unusual experience reported by the volunteers had a cause that did not involve the supernatural. - Irrelevant - cause is not relevant
E. The researchers did not believe that the theater was haunted. - Irrelevant

Answer B
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Re: In an experiment, volunteers walked individually through a dark, aband [#permalink]

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New post 05 Oct 2017, 06:13
AnubhavK wrote:
B is correct - If none of the volunteers believed the researchers' claim that the theater was haunted, then the implicit assumption that several of those volunteers expected supernatural experiences in the theater is flawed, and so the inference that their prior expectations probably account for their reports of supernatural experiences is flawed.



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Re: In an experiment, volunteers walked individually through a dark, aband   [#permalink] 05 Oct 2017, 06:13
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