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# A dog enthusiast took home two puppies from the dog shelter.

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A dog enthusiast took home two puppies from the dog shelter. [#permalink]

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10 Oct 2012, 15:23
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A dog enthusiast took home two puppies from the dog shelter. He fed one of the puppies super premium canned dog food, while he fed the other a generic brand from the grocery store. The dog fed on the generic brand gained weight twice as fast as the dog fed the super premium brand. Because of the difference in these results, the dog enthusiast concluded that the generic brand actually provided nutrition superior to that of the super premium brand.

Each of the following, if true, would weaken the evidence for the dog enthusiast’s conclusion except for which of the following?

A. A dog will sometimes gain more weight when eating inferior quality food because he must eat more of it to obtain the nutrients he needs.
B. The dogs were of mixed breeds and appeared to be descended from dogs of different sizes.
C. Both dogs ate all of the food given to them at each serving.
D. The dog enthusiast did not give the two dogs equal amounts of their respective foods.
E. The dog who received the super premium dog food suffered from a digestive system disorder that hindered his growth.
[Reveal] Spoiler: OA

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Re: A dog enthusiast took home two puppies from the dog shelter. [#permalink]

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11 Oct 2012, 01:50
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Premise - A dog enthusiast took home two puppies from the dog shelter. He fed one of the puppies super premium canned dog food, while he fed the other a generic brand from the grocery store. The dog fed on the generic brand gained weight twice as fast as the dog fed the super premium brand. Because of the difference in these results

Conclusion - that the generic brand actually provided nutrition superior to that of the super premium brand.

Any option which weakens the conclusion is our answer

A. A dog will sometimes gain more weight when eating inferior quality food because he must eat more of it to obtain the nutrients he needs. (Weakens)
B. The dogs were of mixed breeds and appeared to be descended from dogs of different sizes. (Weakens)
C. Both dogs ate all of the food given to them at each serving. (this has no effect on the conclusion and is thus our answer)
D. The dog enthusiast did not give the two dogs equal amounts of their respective foods. (Weakens)
E. The dog who received the super premium dog food suffered from a digestive system disorder that hindered his growth. (Weakens)

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Re: A dog enthusiast took home two puppies from the dog shelter. [#permalink]

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06 May 2015, 10:38
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: A dog enthusiast took home two puppies from the dog shelter. [#permalink]

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20 Jul 2015, 03:15
kingb wrote:
A dog enthusiast took home two puppies from the dog shelter. He fed one of the puppies super premium canned dog food, while he fed the other a generic brand from the grocery store. The dog fed on the generic brand gained weight twice as fast as the dog fed the super premium brand. Because of the difference in these results, the dog enthusiast concluded that the generic brand actually provided nutrition superior to that of the super premium brand.

Each of the following, if true, would weaken the evidence for the dog enthusiast’s conclusion except for which of the following?.

A. A dog will sometimes gain more weight when eating inferior quality food because he must eat more of it to obtain the nutrients he needs.
This clearly weakens

B. The dogs were of mixed breeds and appeared to be descended from dogs of different sizes.
This will weaken the argument as it says dogs will grow to different sizes not because of food but coz of genes

C. Both dogs ate all of the food given to them at each serving.
This somehow supports one of the many assumptions made by author that both ate same amounts for the time period

D. The dog enthusiast did not give the two dogs equal amounts of their respective foods.
This will weaken the assumption stated above

E. The dog who received the super premium dog food suffered from a digestive system disorder that hindered his growth.
This says the second dog did not grow because of some disease and not coz of food
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Re: A dog enthusiast took home two puppies from the dog shelter. [#permalink]

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27 Jul 2016, 00:31
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Re: A dog enthusiast took home two puppies from the dog shelter.   [#permalink] 27 Jul 2016, 00:31
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