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In an experiment, researchers played a series of musical intervals

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Re: In an experiment, researchers played a series of musical intervals  [#permalink]

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New post 13 Jun 2012, 22:57
Plz elaborate why option C is incorrect
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New post 13 Jun 2012, 23:49
gmatfighter12 wrote:
I eliminated B based on the extreme language and picked A instead.

Isnt language is something you should take into consideration? Thanks.


Per Power Score Critical Reasoning Bible, in a strengthen question you should take all answer choices as true.
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Re: In an experiment, researchers played a series of musical intervals  [#permalink]

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New post 29 Nov 2017, 02:54
+1 for B
in option A, the focus is on older children and adults. Even though they had a general tendency to pay more attention to octaves, fifths, and fourths than to other musical intervals, they may have previous exposure to music from any culture.
I think option B is more strong than option A because in option B stated that none of the babies in the experiment had previous exposure to music from any culture.
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New post 04 Aug 2019, 15:35
deepti1206 wrote:
In an experiment, researchers played a series of musical intervals - two-note sequences - to a large diverse group of six-month old babies. They found that the babies paid significantly more attention when the intervals were perfect octaves, fifths, or fourths than otherwise. These intervals are prevalent in the musical systems of most cultures around the world. Thus, humans probably have a biological predisposition to pay more attention to those intervals than to others.

Which one of the following, if true most strengthens the argument?

A) Several similar experiments using older children and adults found that these subjects, too, had a general tendency to pay more attention to octaves, fifths, and fourths than to other musical intervals.

B) None of the babies in the experiment had previous exposure to music from any culture.

C) All of the babies in the experiment had been exposed to music drawn equally from a wide variety of cultures around the world.

D) In a second experiment, these same babies showed no clear tendency to notice primary colors more than other colors.

E) Octaves, fifths, and fourths were played more frequently during the experiment than other musical intervals were.



I think the answer is "B" because it eliminates any confounding factors that could possibly contribute to a baby recognizing specific intervals. Also, the other answers appear to be wrong...

A: This is a very tempting answer because it provides evidence that other humans have a predisposition for certain intervals. But a glaring problem is that these adults and older children may have been exposed to these intervals through music throughout their lives, which means they were not naturally predisposed.

C: If the babies were already exposed to music, then the music exposure might have been the cause of their predisposition. This means it is not biologically influenced.

D: Unrelated information about a different sense.

E: Also tempting, but the question is about the predisposition towards the notes
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Re: In an experiment, researchers played a series of musical intervals  [#permalink]

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New post 21 Aug 2019, 05:11
GMATPill, great explanation,
but I would just want nightblade354 GMATNinja and gmat1393 to validate the explanation.
Is filling a gap in an argument a better strengthener according to GMAT standards?
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New post 21 Aug 2019, 05:16
sharathnair14, it depends. Strengthen/weaken questions can attack anywhere in the passage. Sometimes it will be the actual premise, other times it will be the space between the premise(s) and conclusion.
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Re: In an experiment, researchers played a series of musical intervals  [#permalink]

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New post 22 Aug 2019, 12:58
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sharathnair14 wrote:
GMATPill, great explanation


That explanation entirely misses the point of the question, so it's unfortunate that it's at the top of the thread. Several of the later explanations are correct. Answer A does not strengthen the argument. The argument is using the hearing of babies to prove that we have a biological predisposition towards certain intervals, as opposed to a culturally learned predisposition towards those intervals. Studying adults or older children, who have already been exposed to cultural influences, tells you nothing about the hypothesis. There's no way to tell studying adults whether their predisposition for fifths and octaves was learned or was biologically innate. So answer A is irrelevant, and it's certainly not a strengthener. Only B is a good answer here, because it tells us that the babies haven't had an opportunity to learn these intervals from cultural exposure.

The right answer to a real GMAT CR question is unambiguous, so there is no rule you should learn about which method of strengthener is preferable when you're debating between two answer choices - you'll never have occasion to use such a rule.
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Re: In an experiment, researchers played a series of musical intervals   [#permalink] 22 Aug 2019, 12:58

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