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A recent study of perfect pitch—the ability to identify the pitch of

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A recent study of perfect pitch—the ability to identify the pitch of  [#permalink]

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New post 20 Nov 2018, 07:23
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A recent study of perfect pitch—the ability to identify the pitch of an isolated musical note—found that a high percentage of people who have perfect pitch are related to someone else who has it. Among those without perfect pitch, the percentage was much lower. This shows that having perfect pitch is a consequence of genetic factors.

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

(A) People who have relatives with perfect pitch generally receive no more musical training than do others.
(B) All of the researchers conducting the study had perfect pitch.
(C) People with perfect pitch are more likely than others to choose music as a career.
(D) People with perfect pitch are more likely than others to make sure that their children receive musical training.
(E) People who have some training in music are more likely to have perfect pitch than those with no such training.

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Re: A recent study of perfect pitch—the ability to identify the pitch of  [#permalink]

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New post 21 Nov 2018, 08:57
Akela wrote:
A recent study of perfect pitch—the ability to identify the pitch of an isolated musical note—found that a high percentage of people who have perfect pitch are related to someone else who has it. Among those without perfect pitch, the percentage was much lower. This shows that having perfect pitch is a consequence of genetic factors.

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

(A) People who have relatives with perfect pitch generally receive no more musical training than do others.
(B) All of the researchers conducting the study had perfect pitch.
(C) People with perfect pitch are more likely than others to choose music as a career.
(D) People with perfect pitch are more likely than others to make sure that their children receive musical training.
(E) People who have some training in music are more likely to have perfect pitch than those with no such training.



Please provide the explanation of the choices
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Re: A recent study of perfect pitch—the ability to identify the pitch of  [#permalink]

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New post 27 Nov 2018, 21:24
can anyone explain for this question
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Re: A recent study of perfect pitch—the ability to identify the pitch of  [#permalink]

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New post 02 Dec 2018, 20:23
This is an example of cause-effect type in critical reasoning.

The premise states that " having perfect pitch is a consequence of genetic factors".

Now to solidify this ,in the case of cause effect we need to show that there is no alternative cause which could have this effect.

Option A does exactly that... it shows us that alternate cause(more training than others) is not the cause for perfect pith.
(B) All of the researchers conducting the study had perfect pitch.--Not relevant
(C) People with perfect pitch are more likely than others to choose music as a career.--Again not relevant
(D) People with perfect pitch are more likely than others to make sure that their children receive musical training.-- This Opposite answer hurts the argument by suggesting that children whose
parents have perfect pitch receive more musical training, and may develop perfect pitch as a result
of such training. Because alternate causes weaken the argument, this type of wrong answer choice appears frequently in Strengthen questions.
(E) People who have some training in music are more likely to have perfect pitch than those with no such training.--If anything, this answer may hurt the argument by showing that having perfect
pitch is also correlated with (and may thus be the result of) musical training. However, because we
do not know if such training is the result of having relatives who have perfect pitch, this answer does
not contribute to the causal explanation of the correlation cited by the study.
GMAT Club Bot
Re: A recent study of perfect pitch—the ability to identify the pitch of &nbs [#permalink] 02 Dec 2018, 20:23
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A recent study of perfect pitch—the ability to identify the pitch of

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