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# It is widely believed that by age 80

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Joined: 13 Aug 2015
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It is widely believed that by age 80  [#permalink]

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Updated on: 17 Jun 2017, 02:28
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5% (low)

Question Stats:

83% (01:21) correct 17% (01:50) wrong based on 113 sessions

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It is widely believed that by age 80, perception and memory are each significantly reduced from their functioning levels at age 30. However, a recent study showed no difference in the abilities of 80-year-olds and 30-year-olds to play a card game devised to test
perception and memory. Therefore, the belief that perception and memory are significantly reduced by age 80 is false.

The reasoning above is most vulnerable to criticism on the grounds that it fails to consider the possibility that

(A) the study's card game does not test cognitive abilities other than perception and memory

(B) card games are among the most difficult cognitive tasks one can attempt to perform

(C) perception and memory are interrelated in ways of which we are not currently aware

(D) the belief that 80-year-olds' perception and memory are reduced results from prejudice against senior citizens

(E) playing the study's card game perfectly requires fairly low levels of perception and memory

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Originally posted by mkrishnabdrr on 16 Jun 2017, 21:59.
Last edited by broall on 17 Jun 2017, 02:28, edited 1 time in total.
Reformatted question
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Joined: 26 Feb 2016
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Location: India
GPA: 3.12
Re: It is widely believed that by age 80  [#permalink]

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16 Jun 2017, 22:56
Since we are using a game to determine the difference
in abilities(of both perception and memory) between ages 30 and 80,
all we need to find out is an explanation to show that
using the game is not the correct method of gauging the ability.

Of the available options,
playing the study's card game perfectly requires
fairly low levels of perception and memory (Option E)

provides us with a flaw, because if low levels of perception and memory
is enough to play the game to perfection, even with a low ability,
the elders can have significantly reduced ability.
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Re: It is widely believed that by age 80  [#permalink]

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03 Nov 2017, 07:10
IMO option E. it says about the relationship between the premise and conclusion correctly
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Re: It is widely believed that by age 80 &nbs [#permalink] 03 Nov 2017, 07:10
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