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# On the basis of incontestable proof that car safety seats will

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On the basis of incontestable proof that car safety seats will  [#permalink]

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24 Sep 2017, 23:50
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Difficulty:

35% (medium)

Question Stats:

71% (01:42) correct 29% (01:38) wrong based on 361 sessions

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On the basis of incontestable proof that car safety seats will greatly reduce the number of serious injuries sustained by children in car accidents, laws have been passed mandating the use of these seats. Unexpectedly, it has since been found that a large number of children
who are riding in safety seats continue to receive serious injuries that safety seats were specifically designed to avoid, and in the prevention of which they in fact have proven to be effective.

Which one of the following, if true, could by itself adequately explain the unexpected finding reported in the passage?

(A) Many parents are defying the law by not using safety seats for their children.

(B) Children are more likely to make automobile trips now than they were before the introduction of the safety seat.

(C) The high cost of child safety seats has caused many parents to delay purchasing them.

(D) The car safety seat was not designed to prevent all types of injuries, so it is not surprising that some injuries are sustained.

(E) The protection afforded by child safety seats depends on their being used properly, which many parents fail to do.

Source: LSAT

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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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25 Sep 2017, 21:46
E for me . If there was no problem with the seats then it might be the reason that seats were not getting used the way they were designed to be used.
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On the basis of incontestable proof that car safety seats will  [#permalink]

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25 Sep 2017, 22:47
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broall wrote:
On the basis of incontestable proof that car safety seats will greatly reduce the number of serious injuries sustained by children in car accidents, laws have been passed mandating the use of these seats. Unexpectedly, it has since been found that a large number of children
who are riding in safety seats continue to receive serious injuries that safety seats were specifically designed to avoid, and in the prevention of which they in fact have proven to be effective.

Which one of the following, if true, could by itself adequately explain the unexpected finding reported in the passage?

(A) Many parents are defying the law by not using safety seats for their children.

(B) Children are more likely to make automobile trips now than they were before the introduction of the safety seat.

(C) The high cost of child safety seats has caused many parents to delay purchasing them.

(D) The car safety seat was not designed to prevent all types of injuries, so it is not surprising that some injuries are sustained.

(E) The protection afforded by child safety seats depends on their being used properly, which many parents fail to do.

Source: LSAT

Break up :
1. On the basis of incontestable proof that car safety seats will greatly reduce the number of serious injuries sustained by children in car accidents, laws have been passed mandating the use of these seats.
2. Unexpectedly, it has since been found that a large number of children
who are riding in safety seats continue to receive serious injuries that safety seats were specifically designed to avoid, and in the prevention of which they in fact have proven to be effective.

Conclusion : Since safety seats have been designed to save children from injury, it must save children from serious injury. There must be something wrong, it might be possible that parents are not using it properly or not using it at all. But the questions stem says that a large number of children who are riding in safety seats continue to receive serious injuries which means, the safety seats are being used but not used in a proper manner as per the guidelines.

(A) Many parents are defying the law by not using safety seats for their children.
The question stem says that children are getting injured in safety seats. So, safety seats are used.

(B) Children are more likely to make automobile trips now than they were before the introduction of the safety seat.
Even if children are more likely to make automobile trips, the injuries should not increase due to use of safety seat.

(C) The high cost of child safety seats has caused many parents to delay purchasing them.
The question stem says that children are getting injured in safety seats. So, safety seats are used. Same as A.

(D) The car safety seat was not designed to prevent all types of injuries, so it is not surprising that some injuries are sustained.
Even if the seats are not designed to prevent all types of injuries, the no. of injuries should actually decrease..

(E) The protection afforded by child safety seats depends on their being used properly, which many parents fail to do.
Yo. this might be the cause, many parents fail to use the safety seats properly.

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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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26 Sep 2017, 21:58
It is E my answer. What is the OA?
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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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13 Dec 2017, 19:57
broall wrote:
On the basis of incontestable proof that car safety seats will greatly reduce the number of serious injuries sustained by children in car accidents, laws have been passed mandating the use of these seats. Unexpectedly, it has since been found that a large number of children
who are riding in safety seats continue to receive serious injuries that safety seats were specifically designed to avoid, and in the prevention of which they in fact have proven to be effective.

Which one of the following, if true, could by itself adequately explain the unexpected finding reported in the passage?

(A) Many parents are defying the law by not using safety seats for their children.

(B) Children are more likely to make automobile trips now than they were before the introduction of the safety seat.

(C) The high cost of child safety seats has caused many parents to delay purchasing them.

(D) The car safety seat was not designed to prevent all types of injuries, so it is not surprising that some injuries are sustained.

(E) The protection afforded by child safety seats depends on their being used properly, which many parents fail to do.

Source: LSAT

The expected result is that the laws mandating use of car seats proven to improve safety should cause a decrease in number of serious injuries --

The unexpected result is that a large number continue to be in serious accidents.

(A) doesn't explain the unexpected result, because the result happens when the car seats are being used.

(C), for the same reason, doesn't explain anything, because the result is specifically about when the seats are used, and (C) only impacts whether people will have them or not.

(D) does not explain the unexpected result, because the unexpected result has to do with injuries the seat was specifically designed to help avoid.

That leaves (B) and (E) --

(B) is super-tempting, but does not, in and of itself, help explain the unexpected result in the same way that (E) can. Even if the child is on the road more (which would of course increase # of opportunities for injury) -- it doesn't explain why the seat doesn't markedly help prevent injuries it is meant to.

(E) address the unexpected just a bit more specifically.
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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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06 May 2018, 07:51
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We have a first baby boy, his age is only 6 months and 13 days. We are deciding to get the safest car seat for our kid. Please give me a suitable suggestion, where to get these best infant convertible car seats? My husband wanted to get these car seats from here. But I need some better option too. I hope you will share useful suggestions.
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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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06 Aug 2018, 06:38

I couldn't solve this CR because I couldn't comprehend the last line of the argument. Can you help to explain the meaning of the last line?

Quote:
and in the prevention of which they in fact have proven to be effective.

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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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06 Aug 2018, 06:59
pikolo2510 wrote:

I couldn't solve this CR because I couldn't comprehend the last line of the argument. Can you help to explain the meaning of the last line?

Quote:
and in the prevention of which they in fact have proven to be effective.

Hi pikolo2510,

The last line says that the seats are not doing what they are supposed to be doing: They are failing to do the job for which they were designed.

Does this clarify anything?
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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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06 Aug 2018, 07:09
pikolo2510

My two cents:

Quote:
On the basis of incontestable proof that car safety seats will greatly reduce the number of serious injuries sustained by children in car accidents, laws have been passed mandating the use of these seats.

There is no denying to evidence that safety seats will greatly reduce the no of
serious injuries sustained by children in car accidents.
So a law is passed making these seats mandatory.

Quote:
Unexpectedly, it has since been found that a large number of children
who are riding in safety seats continue to receive serious injuries that safety seats
were specifically designed to avoid, and in the prevention of which (serious injuries) they (seat belts) in fact have proven to be effective.

However, something unexpected was found:
Though seat belts are proven to be effective in preventing serious injuries,
somehow still large number of children continue to get serious injuries. What could be the
reason for it to happen?

Can you take further from here?
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Re: On the basis of incontestable proof that car safety seats will  [#permalink]

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06 Aug 2018, 12:43

Understood the meaning now
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Re: On the basis of incontestable proof that car safety seats will   [#permalink] 06 Aug 2018, 12:43
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