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Researchers believe that we will ultimately be able to explain all “ps

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Researchers believe that we will ultimately be able to explain all “ps [#permalink]

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25 Apr 2017, 11:03
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Source: Nova GMAT

Researchers believe that we will ultimately be able to explain all “psychic” phenomena. Achieving this goal requires knowledge of how mental images are “sent” and “received” over distance and how senders and receivers interact at a biological level. At present, there is a substantial amount of fundamental knowledge about receiving images and sending images. Thus, as researchers claim, psychic phenomena will soon be explainable.

Which one of the following indicates an error in the reasons in the passage?

(B) The passage fails to describe what is currently known about senders and receivers.
(C) The passage does not indicate that any knowledge has been achieved about how senders and receivers interact at a biological level.
(D) The argument does not indicate whether this information will be useful.
(E) The passage is not specific about what psychic phenomena are being researched.
[Reveal] Spoiler: OA

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Joined: 27 Jan 2017
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Re: Researchers believe that we will ultimately be able to explain all “ps [#permalink]

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08 May 2017, 11:19
IMO - C

2 things are required to explain all “psychic” phenomena
1-- how mental images are “sent” and “received” over distance
2 -- how senders and receivers interact at a biological level

It is given there is enough information to validate point 1 but nothing is mentioned about point 2.
Thus 'researchers claim, psychic phenomena will soon be explainable' is wrong.

This is what option C says... 'The passage does not indicate that any knowledge has been achieved about how senders and receivers interact at a biological level.'
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Re: Researchers believe that we will ultimately be able to explain all “ps [#permalink]

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09 May 2017, 05:53
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here is the argument --

Premise
Explain "psychic" phenomena --> requires knowledge of how mental images are “sent” and “received” over distance and how senders and receivers interact at a biological level

Conclusion
substantial amount of fundamental knowledge about receiving images and sending images --> psychic phenomena will soon be explainable

There are several flaws in this line of reasoning --
1. the conclusion does not talk about "mental images"
2. it does not talk about sending images "over distance".
3. it does not talk about "how senders and receivers interact at a biological level".

We have been asked to indicate a flaw in the reasoning above. The correct answer should talk about one of these points.

Option A - Incorrect

the conclusion does NOT contradict researchers. "Thus, as researchers claim, ..." indicates precisely the opposite.

Option B - Incorrect

"what is currently known about senders and receivers" is not relevant to the conclusion.

this is talked in point #3.

Option D - Incorrect

In fact it does. One necessary condition is knowledge of how mental images are sent and received.

Option E - Incorrect

The specifics of psychic phenomena are not relevant
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Re: Researchers believe that we will ultimately be able to explain all “ps   [#permalink] 09 May 2017, 05:53
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