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In 1973, a remote town first acquired television. Shortly

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In 1973, a remote town first acquired television. Shortly [#permalink] New post 22 Jul 2006, 18:31
00:00
A
B
C
D
E

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In 1973, a remote town first acquired television. Shortly before broadcasts began there, a study was made of children's behavior. A similar study in the same community, after two years of TV, showed that the aggression rate among children of this age had increased by 160%. The conclusion drawn was that TV plays an important role in generating aggressive behavior in children. A second study, covering the same years, was made in two similar communities that had had television for decades. This study showed no change in the aggression rate from 1973 to 1975.

The results of the second study:

A) suggest that the prevalence of violent themes in TV programming may be explained by the tendencies toward violence that are deeply-rooted in human nature.

B) indicate that different social groups may react quite differently to similar stimuli.

C) demonstrate that long-term exposure to TV has no more severe effects than short-term exposure.

D) support the conclusion drawn from the first study.

E) disprove the conclusion drawn from the first study.

please explain
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 [#permalink] New post 22 Jul 2006, 18:37
choose C.
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 [#permalink] New post 22 Jul 2006, 18:40
Vote for C.
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Re: CR: Study of television [#permalink] New post 22 Jul 2006, 19:42
A) suggest that the prevalence of violent themes in TV programming may be explained by the tendencies toward violence that are deeply-rooted in human nature.

out of scope..

B) indicate that different social groups may react quite differently to similar stimuli.

out of scope..

C) demonstrate that long-term exposure to TV has no more severe effects than short-term exposure.

Distortion.. Not quite right..

D) support the conclusion drawn from the first study.

This is best using POE.. Argument says - after being exposed to tv for
long time, there isn't change in behavior over 2 years.. This doesn't
disprove the argument, because these people's behaviour might have already been changed when they were first exposed to TV.

I can't conclusively say this supports the argument because there is no data to prove that difference in their aggression rate before they were first time exposed to TV and their aggression rate 2 years later.

E) disprove the conclusion drawn from the first study.

Wrong.
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 [#permalink] New post 22 Jul 2006, 19:48
I agree with Sharad.
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 [#permalink] New post 22 Jul 2006, 21:50
Must be D

The only thing that can weaken the first study is another reason for increase in aggressive behaviour. Second study is eliminating that reason. That is why second study is supporting the first.

A. Out of scope. No discussion about human nature
B. There is no comparison about teh two communities.
C. No mention of short term or long term effects.
E. This is not at all true.
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 [#permalink] New post 22 Jul 2006, 22:19
Tough call between C and D. For D to be correct we would have to assume that the aggression rates of the children exposed to the TV for decades were already high to begin with.
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 [#permalink] New post 22 Jul 2006, 22:33
GMATT73 wrote:
Tough call between C and D. For D to be correct we would have to assume that the aggression rates of the children exposed to the TV for decades were already high to begin with.



Changing answer.. C must be the correct answer.. Here is the key :
demonstrate that long-term exposure to TV has no more severe effects than short-term exposure.

Do you get it ???

I wasn't somehow very convinced by D when i reached D using POE.. Rereading helped me..

Gr8 job GMATT73..
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 [#permalink] New post 22 Jul 2006, 22:44
what about B? first study is talking about children and another is talking about the communities, but doesn't specify that they were comparing children as well in the 2nd study... :? so I assume that they are comparing children with unknown group (adults perhaps)... so different social groups...
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 [#permalink] New post 22 Jul 2006, 23:02
u2lover wrote:
what about B? first study is talking about children and another is talking about the communities, but doesn't specify that they were comparing children as well in the 2nd study... :? so I assume that they are comparing children with unknown group (adults perhaps)... so different social groups...


Author's tone implies that second study is kind of trying to rebutt or challenge the conclusion mentioned in the argument on the basis of "exposure to TV for longer duration".. So still the base of the argument is "duration of exposure to TV", not the communities..
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 [#permalink] New post 23 Jul 2006, 01:46
The answer is most definitely b/w C and D. I go with D, since C implies a comparison b/w the aggression rates of the communities, but nothing in the question stem points towards this.
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 [#permalink] New post 23 Jul 2006, 02:36
seems for me to be c
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 [#permalink] New post 23 Jul 2006, 14:10
I chose C before going through all the other answers listed here. D cannot be correct, IMO, because we can't say if the study supports the 1st one. One may say it is 'consistent' with it, but 'support' would mean there's some result in study 2 which strengthens study 1. This is clearly missing.
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 [#permalink] New post 24 Jul 2006, 02:09
Will go with D.

The conclusion is TV plays a role in generating agressive behavior. It generated such behavior when introduced in a town with no previous history of TV.

But the other communities in the second study had TV for decades hence the agrresive behavior was already generated and the study proved that there is no change in the behavior.
Hence it is a support for the conclusion from the first study.
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 [#permalink] New post 24 Jul 2006, 02:20
actually no answer is a clear shot.... is the safest
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 [#permalink] New post 24 Jul 2006, 07:41
In 1973, a remote town first acquired television. Shortly before broadcasts began there, a study was made of children's behavior. A similar study in the same community, after two years of TV, showed that the aggression rate among children of this age had increased by 160%. The conclusion drawn was that TV plays an important role in generating aggressive behavior in children. A second study, covering the same years, was made in two similar communities that had had television for decades. This study showed no change in the aggression rate from 1973 to 1975

Will Go with B. If youread the question, you will notice that the same experiment generated different results. Although the fact that they had televesion for years does not change the conculsion in option B.
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 [#permalink] New post 24 Jul 2006, 07:47
I chose B... but the OA is D
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 [#permalink] New post 26 Jul 2006, 07:16
B is the answer
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 [#permalink] New post 26 Jul 2006, 07:22
Its D
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 [#permalink] New post 26 Jul 2006, 07:54
PS_Dahiya, I have a question for you based on your explanation.

You are saying that "
The only thing that can weaken the first study is another reason for increase in aggressive behaviour. "

The first study says that TV has an influence in the agressive behavior, the second study doesn't show another reason for the aggressive behavior, I agree.

What I don't understand is, the second study did not find any change in behavior between 1973 to 1975. Then does it not cast doubt on the first argument?

Please explain.
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  [#permalink] 26 Jul 2006, 07:54
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