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In an experiment involving taste, researchers had

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In an experiment involving taste, researchers had [#permalink] New post 10 Aug 2009, 06:13
00:00
A
B
C
D
E

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Question Stats:

50% (02:39) correct 50% (00:56) wrong based on 9 sessions
In an experiment involving taste, researchers had participants try two versions of a cola, one regular and another, called “cola extra,” to which a secret ingredient had been added. The researchers found that, when the tasters did not know that the secret ingredient was white vinegar, they preferred “cola extra” by a margin of almost two to one. However, when tasters were told the identity of the secret ingredient before drinking, they preferred the cola without vinegar 98% of the time.

Which of the following, if true, forms the best basis for an explanation of this outcome?

a Most consumers are excited by the possibility of tasting a “secret ingredient” and will always prefer that choice.
b For most consumers, expectation strongly influences the ability to accurately distinguish flavors.
c Most cola drinkers prefer beverages without vinegar, even when they do not know vinegar is present.
d Researchers skewed results by telling participants in the second group what the secret ingredient was.
e The first group of taste testers was disproportionately composed of people who enjoy the taste of vinegar.

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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 06:27
IMO A
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 06:38
Aleehsgonji wrote:
IMO A


try again mate

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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 06:56
I thought about A, but if it is not A, perhaps E :roll:
B talks about ability to distinguish and doesn't gives account for preferance
C the fact that most coca cola drinkers prefer beverages without vinegar, doesn't explain why the group of testers chose cola with vinegar.

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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 07:03
IMO B. OA?
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 07:04
B seems correct....
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 07:08
Any more takers?

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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 07:25
A is my pick
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 07:28
(c)
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 07:30
I go with E or wait may be B no no E ... actually I think it is B .... darn GMAT doesnot allow me to go back and correct my answers :(
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 08:33
Another B...whats the OA...
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 08:47
one more for B
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 11:05
noboru wrote:
In an experiment involving taste, researchers had participants try two versions of a cola, one regular and another, called “cola extra,” to which a secret ingredient had been added. The researchers found that, when the tasters did not know that the secret ingredient was white vinegar, they preferred “cola extra” by a margin of almost two to one. However, when tasters were told the identity of the secret ingredient before drinking, they preferred the cola without vinegar 98% of the time.

Which of the following, if true, forms the best basis for an explanation of this outcome?

a Most consumers are excited by the possibility of tasting a “secret ingredient” and will always prefer that choice.
b For most consumers, expectation strongly influences the ability to accurately distinguish flavors.
c Most cola drinkers prefer beverages without vinegar, even when they do not know vinegar is present.
d Researchers skewed results by telling participants in the second group what the secret ingredient was.
e The first group of taste testers was disproportionately composed of people who enjoy the taste of vinegar.


IMO, B.
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Re: white vinegar VOL II [#permalink] New post 10 Aug 2009, 16:50
went with A, but you are right, possibility of tasting a secret ingredient does not suggest change in ability to distinguish flavors...i guess B is correct
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Re: In an experiment involving taste, researchers had [#permalink] New post 05 Apr 2013, 21:29
yes the OA is B. Today i faced this question in Gmat club test and i also picked the trap ans A.
A : "Always prefer that choice": means tester has given them options : "want to test 'cola' or 'cola extra'" - they will say "why cola!! let's taste cola extra ...sounds really exciting" :drunk ...but this is not at all related to what they will say after testing the same.

B: fills the lacuna in above scenario. clear winner.

Just a request Moderators can u please add the OA in the question
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Re: In an experiment involving taste, researchers had [#permalink] New post 05 Apr 2013, 22:40
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First of all, thanks Noboru for a very good question!

IMO: answer is B.

Analyze the question
According to Power score CR Bible, there's no conclusion here, only facts. Hence, this is the MUST BE TRUE question. If you understand the type of question and how to solve it, that helps you shorten your time.
There are two types of correct answer for must be true question.
- Paraphrase Answers: Restate a portion the stimulus.
- Combination answers, answers that are the sum of two or more stimulus statements.

Apply:
Fact 1: No information about secret ingredient, vinegar, --> consumption of extra cola increases
Fact 2: there's information about vinegar added --> consumers prefer regular cola 98% of the time.
Combine: consumers expect more quality ingredient to be added to "extra cola". when they know the secret ingredient is not superior as they thought, they don't use "extra cola" any more.
It means expectation affects the purchasing decision.
That is exactly stated in B.

Why other four are incorrect.
a Most consumers are excited by the possibility of tasting a “secret ingredient” and will always prefer that choice. - WRONG - because this is exaggerated answer (favorite trap of GMAC)
c Most cola drinkers prefer beverages without vinegar, even when they do not know vinegar is present. - WRONG - because consumers did like extra cola, when they didn't know vinegar was added.
d Researchers skewed results by telling participants in the second group what the secret ingredient was. - WRONG - out of scope
e The first group of taste testers was disproportionately composed of people who enjoy the taste of vinegar - WRONG - out of scope, the question doesn't say about the ratio.

Hope it's clear.
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Re: In an experiment involving taste, researchers had [#permalink] New post 26 Apr 2014, 10:06
pqhai wrote:
First of all, thanks Noboru for a very good question!

IMO: answer is B.

Analyze the question
According to Power score CR Bible, there's no conclusion here, only facts. Hence, this is the MUST BE TRUE question. If you understand the type of question and how to solve it, that helps you shorten your time.
There are two types of correct answer for must be true question.
- Paraphrase Answers: Restate a portion the stimulus.
- Combination answers, answers that are the sum of two or more stimulus statements.

Apply:
Fact 1: No information about secret ingredient, vinegar, --> consumption of extra cola increases
Fact 2: there's information about vinegar added --> consumers prefer regular cola 98% of the time.
Combine: consumers expect more quality ingredient to be added to "extra cola". when they know the secret ingredient is not superior as they thought, they don't use "extra cola" any more.
It means expectation affects the purchasing decision.
That is exactly stated in B.

Why other four are incorrect.
a Most consumers are excited by the possibility of tasting a “secret ingredient” and will always prefer that choice. - WRONG - because this is exaggerated answer (favorite trap of GMAC)
c Most cola drinkers prefer beverages without vinegar, even when they do not know vinegar is present. - WRONG - because consumers did like extra cola, when they didn't know vinegar was added.
d Researchers skewed results by telling participants in the second group what the secret ingredient was. - WRONG - out of scope
e The first group of taste testers was disproportionately composed of people who enjoy the taste of vinegar - WRONG - out of scope, the question doesn't say about the ratio.

Hope it's clear.
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How is this a Must Be True question? The question stem is not even remotely close to that of a Must Be True question. It is closer to a Paradox question, which also is fact-based, than it is to a Must Be True question.
Re: In an experiment involving taste, researchers had   [#permalink] 26 Apr 2014, 10:06
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