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# Researchers have discovered that caffeine can be as

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Director
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Researchers have discovered that caffeine can be as [#permalink]

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15 Sep 2005, 18:46
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Researchers have discovered that caffeine can be as physically addictive as other psychoactive substances. Some people find that they become unusually depressed, drowsy, or even irritable if they do not have their customary dose of caffiene. This is significant because as many people consume caffeine as consume any one of the other addictive psychoactive substances.

Which one of the following can be logically concluded from the information above?

A) There is no psychoactive substance to which more people are physically addicted than are addicted caffiene.
B) A physical additction to a particular psychoactive substances will typically give rise to diverse psychological symptoms.
C) Not all substances to which people can become physically addicted are psychoactive.
D) If one is physically addicted to a psychoactive substance, one will become unusually depressed when one is no longer ingesting that substance.
E) If alcohol is a physically addictive psychoactive substance, there are not more people who consume alchohol than consume caffiene.
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Director
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15 Sep 2005, 18:50
E for me. Logic:
Statement: As many people consume caffeine as consume any one of the other addictive psychoactive substances.
Inference: Number of people consuming caffeine is equal to the number of people consuming any other addictive psychoactive substance.
Option E: If alcohol is a physically addictive psychoactive substance, there are not more people who consume alchohol than consume caffiene.

Seems to fit perfectly, what do you think?
Director
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15 Sep 2005, 20:32
Yeah, anandsebastin's logic seems perfect to me.
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16 Sep 2005, 08:44
I go with D.

The argument says that caffeine is as addictive as other psychoactive substances and when one doesn't have caffeine, one becomes unusually depressed. It follows that one is likely to become unusually depressed if one no longer ingests other psychoactive substances.

E is incorrect because it says that "as many people consume caffeine" not more people....
Director
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16 Sep 2005, 21:22
This is a very clear E!
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Cheers, Rahul.

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17 Sep 2005, 00:55
If you interpret it mathematically, i.e.,
if a=b then it must be true a<=b, then you will get E

You only need one sentence (the last one) to choose E

But this is a logical question, D is my choice. As it can be
inferred from the given information (all information, not just the last
sentence). The logic is not comparing quantity here.
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17 Sep 2005, 01:52
again, a different answer. I wud go for B this time...

Feel that shud be the logical conclusion. E cannot be the reason 'coz as many as' does not in any way mean 'more than'.

D also cannot be the answer 'coz the Q stem mentioned that only som people reported of the behavioural traits and so, it cannot be generalized that to every one.

OA/OE Plz
Krishna
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17 Sep 2005, 11:18
I chose E here as well. If follows logically from the passage. Since there are as many people consuming caffiene as ANY other psychoactive substances than the amount of people consuming caffeine is equal to or more than the amount of people consuming any other psychoactive substance.

I didn't chose D because it isn't supported by the passage. The passage gives symptoms ONLY for those who miss their ususal dose of caffeine. D applies one of those symptoms to ALL psychoactive substances. No where in the passage is that stated.
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17 Sep 2005, 11:33
I will choose E.

What's the OA
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hey ya......

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19 Sep 2005, 08:07
Why not A?
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19 Sep 2005, 09:23
gmataquaguy wrote:
Why not A?

Choice A addresses the NUMBER of people who consume caffiene. The passage talks about consumption of caffiene and other p. substances.
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19 Sep 2005, 11:40
a clear E b/c of the last sentence.
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19 Sep 2005, 12:32
clear E.

GA
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19 Sep 2005, 12:35
popew626 wrote:

Choice A addresses the NUMBER of people who consume caffiene. The passage talks about consumption of caffiene and other p. substances.

Verbiage from the passage stem:

This is significant because as many people consume caffeine as consume any one of the other addictive psychoactive substances.

When we say "as many people....." Doesnt this imply that no. of people who consume caffiene > no. of people hooked to any other stuff?
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19 Sep 2005, 13:30
gmataquaguy wrote:
popew626 wrote:

Choice A addresses the NUMBER of people who consume caffiene. The passage talks about consumption of caffiene and other p. substances.

Verbiage from the passage stem:

This is significant because as many people consume caffeine as consume any one of the other addictive psychoactive substances.

When we say "as many people....." Doesnt this imply that no. of people who consume caffiene > no. of people hooked to any other stuff?

Just because you are addicted to something doesn't mean that you consume it.
19 Sep 2005, 13:30
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# Researchers have discovered that caffeine can be as

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