Market Analyst: Recent research confirms that the main cause

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Market Analyst: Recent research confirms that the main cause [#permalink]

28 Apr 2012, 20:45

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Market Analyst: Recent research confirms that the main cause of bad breath is bacteria
build-up on the tongue. The research also concludes that tongue scrapers, when used
properly, can eliminate up to 40% of the bacteria from the tongue. As the effectiveness of
tongue scrapers becomes more widely known, the market for less effective breath freshening
products, such as mints, gums, and sprays, will decline significantly. Which of the following
provides the best evidence that the analyst’s argument is flawed?
A) Some breath freshening products are advertised to eliminate up to 30% of the bacteria from
the tongue.
b) Tongue scrapers have already been on the market for a number of years.
c) Many dentists recommend regular flossing, and not the use of the tongue scraper, to combat
bad breath.
d) A recent survey shows that 94% of those who regularly purchase breath freshening products
are aware of the effectiveness of the tongue scraper.
e) Some people buy breath freshening products for reasons other than to fight bad breath.

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[Reveal] Spoiler: OA

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Re: CR - Weaken - # 1 [#permalink]

07 May 2012, 10:49

d) A recent survey shows that 94% of those who regularly purchase breath freshening products
are aware of the effectiveness of the tongue scraper.

Because customers already purchased other products before buying the tongue scraper

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Re: CR - Weaken - # 1 [#permalink]

07 May 2012, 19:26

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This is a causal reasoning.

The argument says

Knowing the effectiveness of scrapper (cause) ---------> Decrease in sales of less effective breath freshening
products, such as mints, gums, and sprays (effect)

Option D points out the flaw by saying that "When Cause occured, the EFFECT DID NOT Occur"

Knowing the effectiveness of scrapper -----> more than 94% of the people continue to buy less effective breath freshening products and this says that sales will not decrease.
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Re: CR - Weaken - # 1 [#permalink] 07 May 2012, 19:26

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Market Analyst: Recent research confirms that the main cause

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