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Exposure to peanuts in any form causes an allergic reaction in many ch

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Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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Exposure to peanuts in any form causes an allergic reaction in many children. Doctors in the country of Morvonia report that the number of children sent to them for treatment of an allergic reaction to peanut products has increased substantially over the past decade. Therefore, children in Morvonia have either been exposed to more peanut products over that time period or they have become more sensitive to the peanut products over that time period.

The argument above relies on which of the following questionable assumptions?

(A) The population of children in Morvonia has not decreased substantially over the past decade.

(B) The number of stores selling peanut products in Morvonia has not increased dramatically over the past decade.

(C) Children who have an allergic reaction to peanut products are not more likely to be sent to the doctor than they were a decade ago.

(D) There is not a reason for the increased number of children being sent for treatment other than increased sensitivity to peanut products.

(E) Parents in Morvonia are not more worried today about their children developing peanut allergies than they were a decade ago.
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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 03 Jul 2015, 08:19
(A) The population of children in Morvonia has not decreased substantially over the past decade.

this is not the case. we are concerned only of children and their allergy AND how many of them are sent to the doctor. Not the children population as whole

B) The number of stores selling peanut products in Morvonia has not increased dramatically over the past decade

the stores that sell peanuts are not related to our problem

(C) Children who have an allergic reaction to peanut products are not more likely to be sent to the doctor than they were a decade ago.

Yes is the right one. Because if not this assumption we can not make a comparison to the actual situation

(D) There is not a reason for the increased number of children being sent for treatment other than increased sensitivity to peanut products.

other causes of sensistivity is not related to our argument

(E) Parents in Morvonia are not more worried today about their children developing peanut allergies than they were a decade ago.

parents' concern is not our problem

Good job. + 1 kudo
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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 03 Jul 2015, 08:26
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Ans is C..
Conclusion is that children in Morvonia have either been exposed to more peanut products over that time period or they have become more sensitive to the peanut products over that time period

(A) The population of children in Morvonia has not decreased substantially over the past decade. we are only concerned about cases of reaction
(B) The number of stores selling peanut products in Morvonia has not increased dramatically over the past decade.what if they are not bought
(C) Children who have an allergic reaction to peanut products are not more likely to be sent to the doctor than they were a decade ago. correct If we negate this statement, the above mentioned argument will break down.
(D) There is not a reason for the increased number of children being sent for treatment other than increased sensitivity to peanut products. not concerned
(E) Parents in Morvonia are not more worried today about their children developing peanut allergies than they were a decade ago.out of scope
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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 03 Jul 2015, 08:31
Hello,

Firstly this question is just a replica of official guide 13th edition CR question 106. So, I just request you to please check OG also.

Analysis:

Premise 1:

Peanuts causes allergy in many children's

Premise 2:

Doctors report NT (children's allergic to peanuts) > NDB (children's allergic to peanuts) {NT: Number today; NDB: Number decade back}

Conclusion:

Reason behind "premise 2" is either increased exposure to peanuts products or increased sensitivity of children's (I would call the later receptivity)

What could be the possible assumptions (unstated premise) here:

1. There could be improved detection procedures to detect allergy:
In case case even if the number of allergic children's are same but since now detection increased so NT (children's allergic to peanuts) > NDB (children's allergic to peanuts)

2. What if the parents are more concerned now than they were decade ago and hence they report all the cases:
Again in this case NT (children's allergic to peanuts) > NDB (children's allergic to peanuts)

There could be other assumptions also. But now if you see that choice (C) is perfectly aligned with our assumption 2. So C is correct answer.

Hope it helps.

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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 10 Sep 2017, 07:20
bhaskar438 wrote:
Exposure to peanuts in any form causes an allergic reaction in many children. Doctors in the country of Morvonia report that the number of children sent to them for treatment of an allergic reaction to peanut products has increased substantially over the past decade. Therefore, children in Morvonia have either been exposed to more peanut products over that time period or they have become more sensitive to the peanut products over that time period.

The argument above relies on which of the following questionable assumptions?

(A) The population of children in Morvonia has not decreased substantially over the past decade.

(B) The number of stores selling peanut products in Morvonia has not increased dramatically over the past decade.

(C) Children who have an allergic reaction to peanut products are not more likely to be sent to the doctor than they were a decade ago.

(D) There is not a reason for the increased number of children being sent for treatment other than increased sensitivity to peanut products.

(E) Parents in Morvonia are not more worried today about their children developing peanut allergies than they were a decade ago.


Official Explanation



In an assumption question such as this, you should be thinking about alternative explanations for this conclusion. In other words, what other circumstances could explain this increase in trips to the doctor other than more exposure or more sensitivity.

Answer choice (C) addresses exactly one such possibility: what if nothing has really changed, but parents are just sending their kids to the doctor more often than they would have before. If that were true, this argument would be very weak: answer choice (C) eliminates that possibility and thus strengthens the conclusion.

The other choices are quite tricky, however, as a few of them seem to address other important assumptions. For instance, if the population had increased dramatically then this argument would also be very weak, as that would explain the increase in trips. (A) plays on this but it says “has not DECREASED” dramatically and is thus a difficult sucker choice. (A) would be correct if it said “has not INCREASED”.

For (B), the number of stores does not affect this argument as it does not necessarily affect availability or number sold. Also, since the conclusion is already addressing increased exposure to peanuts, this assumption would not matter.

(D), like A, is very tricky, as it seems to be correct but it is doing the opposite of what it should. If (D) said: “There IS a reason for the increased number of children being sent for treatment other than increased sensitivity to peanut products” then you would want to look at it more carefully. However, even then it would not matter as the argument gives two possible explanations. For (E) your mind might wander toward this choice because you have read about it in the newspaper, but worry by the parents about developing allergies is not relevant to the argument.

Answer is (C).
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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 16 Sep 2017, 08:11
Hello GMATNinja hazelnut carcass

I think both C and D are close

Option D says there is another reason for the increased number of children being sent to the hospital. Isn't this option providing an alternate "cause" for the increase. Though the other reason hasn't been explicitly stated,the "increase" does (nonetheless) have a another reason

Doesn't D weaken the conclusion as well?

Let me know your thoughts, thanks :-)

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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 16 Sep 2017, 09:24
Still not getting why C is correct? If children are not sent to the doctor then what about doctor's report? Both contradict each other.


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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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Premise:
Exposure to peanuts in any form causes an allergic reaction in many children. Doctors in the country of Morvonia report that the number of children sent to them for treatment of an allergic reaction to peanut products has increased substantially over the past decade.

Conclusion:
Therefore, children in Morvonia have either been exposed to more peanut products over that time period or they have become more sensitive to the peanut products over that time period.


This is a typical assumption question, where the author assumes that there could not be any other reasons for the cause of this increase. Therefore we could look for an option, which helps us in proving that there are not other causes.

The argument above relies on which of the following questionable assumptions?

(A) The population of children in Morvonia has not decreased substantially over the past decade.
[Out of Scope: We are more concerned with the increase/decrease of children going to doc and not the overall population. Hence this option can be discarded.]

(B) The number of stores selling peanut products in Morvonia has not increased dramatically over the past decade.
[Even if it hasn't, this cannot be the assumption, because it is not only the stores from where children could have got the allergy. There could be other sources too, from where the exposure could have increased.]

(C) Children who have an allergic reaction to peanut products are not more likely to be sent to the doctor than they were a decade ago.
[Let's negate this sentence to understand it more clearly. Children who have an allergic reaction to peanut products are more likely to sent to the doctor than they were a decade ago. This means that say a decade ago, there were 100 children with allergy, but only 30 were sent. But more they are more likely to go, so even now if there are 100 children, 50 would be sent to doctor. This statement shatters the assumption of the doctor that children are more sensitive now or are exposed more. Since this shatters the argument. Option C has to be the assumption. If this assumption that they are not more likely to be sent to the doctors is correct. Then only can we attribute the increase in children allergy to other factors like exposure and sensitiveness, which is the conclusion of the author.]

(D) There is not a reason for the increased number of children being sent for treatment other than increased sensitivity to peanut products.
[This is not an assumption, because this has already been stated in the argument that children are being sent to doc because of increased sensitivity. And in fact this contradicts the conclusion, because the doctor believes that the increase is because of two factors - sensitivity and exposure. Thus, we can discard this option.]

(E) Parents in Morvonia are not more worried today about their children developing peanut allergies than they were a decade ago.
[The conclusion focuses on the cause of the increase in allergy because of exposure and sensitivity and not on how worried parents are today.]
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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 20 Sep 2017, 05:01
pikolo2510 wrote:
Hello GMATNinja hazelnut carcass

I think both C and D are close

Option D says there is another reason for the increased number of children being sent to the hospital. Isn't this option providing an alternate "cause" for the increase. Though the other reason hasn't been explicitly stated,the "increase" does (nonetheless) have a another reason

Doesn't D weaken the conclusion as well?

Let me know your thoughts, thanks :-)


This statement does not weaken it in my opinion. The author has mentioned that there are in fact two reason because of the increase in number of children - sensitivity and exposure. But this statement mentions only one, which is not correct and cannot be the assumption of the author. :)
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Re: Exposure to peanuts in any form causes an allergic reaction in many ch [#permalink]

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New post 20 Sep 2017, 05:02
goalMBA1990 wrote:
Still not getting why C is correct? If children are not sent to the doctor then what about doctor's report? Both contradict each other.


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Hey,

it is nowhere said that children are not being sent to the doctor. Do read my explanation and let me know if it makes any sense. :)
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Re: Exposure to peanuts in any form causes an allergic reaction in many ch   [#permalink] 20 Sep 2017, 05:02
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