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A team of pediatricians recently announced that pet birds ar

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A team of pediatricians recently announced that pet birds ar [#permalink]

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A team of pediatricians recently announced that pet birds are more likely to bite children under age 13 than people of any other age group. The team's finding was based on a study showing that the majority of all bird bites requiring medical attention involved children under 13. The study also found that the birds most likely to bite are cockatiels and parakeets.

Which of the following, if true, would most weaken the pediatricians' conclusion that birds are more likely to bite children under age 13 than people of any other age group?

A. More than half of bird bites not requiring medical attention, which exceed the number requiring such attention, involve people aged 13 and older.
B. The majority of bird bites resulting in the death of the bitten person involve people aged 65 and older.
C. Many serious bird bites affecting children under age 13 are inflicted by birds other than cockatiels and parakeets.
D. Most bird bites in children under age 13 that require medical attention are far less serious than they initially appear.
E. Most parents can learn to treat bird bites effectively if they avail themselves of a small amount of medical information.
[Reveal] Spoiler: OA

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Re: A team of pediatricians recently announced that pet birds ar [#permalink]

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New post 16 Jan 2014, 14:32
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Always be suspicious of findings of studies on the GMAT, as they are typically flawed. Here there is a subtle scope shift. The evidence is that the majority of bird bites requiring medical attention happen to children under 13. However, the conclusion incorrectly discusses bird bites in general (not just the subset of bites requiring medical attention). It is overly broad. Answer choice A weakens effectively here. If more bird bites don't require attention than do, and they are happening to another age group, then this argument comes into serious question. Be on the lookout for scope shifts in critical reasoning!

I hope this helps!!!
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Re: A team of pediatricians recently announced that pet birds ar [#permalink]

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That pet birds are more likely to bite children under age 13 than people of any other age group HAS been derived from the fact that majority of all bird bites requiring medical attention involved children under 13.

To weaken we can attack the assumption joining premise to conclusion.............

A. More than half of bird bites not requiring medical attention, which exceed the number requiring such attention, involve people aged 13 and older....PROVES that pet birds are not more likely to bite children under age 13 but majority of all bird bites requiring medical attention may involve children under 13.....CORRECT ANSWER

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Re: A team of pediatricians recently announced that pet birds ar [#permalink]

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New post 11 Dec 2017, 20:38
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Re: A team of pediatricians recently announced that pet birds ar [#permalink]

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New post 11 Dec 2017, 21:46
hello, i need help in this question.
the modifying words "requiring medical attention" & "not requiring medical attention" refer to what?

2/ how should I interpret A? It seems that children under 13 still have more bites than any other group.

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Re: A team of pediatricians recently announced that pet birds ar   [#permalink] 11 Dec 2017, 21:46
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