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About 75% of the people that use computer keyboards suffer from wrist

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About 75% of the people that use computer keyboards suffer from wrist  [#permalink]

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New post 14 Jun 2015, 01:09
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Question Stats:

47% (01:06) correct 53% (01:11) wrong based on 188 sessions

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About 75% of the people that use computer keyboards suffer from wrist pains caused by those keyboards. Therefore, about 75% of the keyboard models on the market need to be replaced by those with designs more suited to human use.

The argument is flawed primarily because the author:


A) forms a conclusion based upon one premise alone

B) does not take into account the fact that some people are more prone to wrist pains than others

C) confuses an item of a certain product with a model of the product

D) ignores the fact that some people have used computer keyboards for much longer than others

E) has not taken into consideration the effect that other strenuous activities may have on a person's fingers


Please help to understand reasoning for this question. Thanks :-D
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Re: About 75% of the people that use computer keyboards suffer from wrist  [#permalink]

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New post 14 Jun 2015, 01:42
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[quote="@sa221047"]About 75% of the people that use computer keyboards suffer from wrist pains caused by those keyboards. Therefore, about 75% of the keyboard models on the market need to be replaced by those with designs more suited to human use.

The argument is flawed primarily because the author:


A) forms a conclusion based upon one premise alone
fairly close answer. Since there is a premise which has been used for conclusion

B) does not take into account the fact that some people are more prone to wrist pains than others
out of scope

C) confuses an item of a certain product with a model of the product
look at the coloured portion. we are talking of 75% people in premise and convert this into 75% keyboard models in conclusion..It may be these 75% people use same model... CORRECT

D) ignores the fact that some people have used computer keyboards for much longer than others
we are talking of wrist pains caused by those keyboards and does not include usage

E) has not taken into consideration the effect that other strenuous activities may have on a person's fingers
out of scope. we are talking of only wrist pains caused by those keyboards and not by anything else
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Re: About 75% of the people that use computer keyboards suffer from wrist  [#permalink]

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New post 14 Jun 2015, 02:03
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sa221047 wrote:
About 75% of the people that use computer keyboards suffer from wrist pains caused by those keyboards. Therefore, about 75% of the keyboard models on the market need to be replaced by those with designs more suited to human use.

The argument is flawed primarily because the author:


A) forms a conclusion based upon one premise alone

B) does not take into account the fact that some people are more prone to wrist pains than others

C) confuses an item of a certain product with a model of the product

D) ignores the fact that some people have used computer keyboards for much longer than others

E) has not taken into consideration the effect that other strenuous activities may have on a person's fingers


Please help to understand reasoning for this question. Thanks :-D



Premise-75% of keyboard users suffer from some wrist pain due to use of those Keyboard.
Conclusion- We need to replace 75% of the keyboards in the market.

That 's a big scope shift and jump!!!!

Do we know that the 75% of the users use the same keyboards that need to be replaced???

What if all the 75% users use only ONE type/model of keyboard????

Hence, C is the answer-confuses an item of a certain product with a model of the product
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Re: About 75% of the people that use computer keyboards suffer from wrist  [#permalink]

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New post 17 Jun 2015, 14:55
About 75% of the people that use computer keyboards suffer from wrist pains caused by those keyboards. Therefore, about 75% of the keyboard models on the market need to be replaced by those with designs more suited to human use.

The argument is flawed primarily because the author:
The author concludes that since 75 percent of the people that use computer keyboards have wrist pain, 75 percent of the keyboards should be replaced. This logic is reasonable only if all the wrist pain sufferers used the same keyboard model. Imagine 100 computer keyboard users, 75 of which had wrist pain. If there were a different keyboard model for each of these 75 people, or even just 5 different models, it would make no sense to replace 75 percent of the keyboards.

A) forms a conclusion based upon one premise alone
not why the argument is primarily flawed
B) does not take into account the fact that some people are more prone to wrist pains than others
no mention of the keyboard
C) confuses an item of a certain product with a model of the product
D) ignores the fact that some people have used computer keyboards for much longer than others
We're concerned with the keyboard itself, rather than its use.
E) has not taken into consideration the effect that other strenuous activities may have on a person's fingers
other strenuous activities are out of scope
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About 75% of the people that use computer  [#permalink]

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New post Updated on: 26 May 2017, 20:12
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About 75% of the people that use computer keyboards suffer from wrist pains caused by those keyboards. Therefore, about 75% of the keyboard models on the market need to be replaced by those with designs more suited to human use.

The argument is flawed primarily because the author:


forms a conclusion based upon one premise alone

does not take into account the fact that some people are more prone to wrist pains than others

confuses an item of a certain product with a model of the product

ignores the fact that some people have used computer keyboards for much longer than others

has not taken into consideration the effect that other strenuous activities may have on a person's fingers
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Originally posted by target2015 on 28 Jun 2015, 03:21.
Last edited by broall on 26 May 2017, 20:12, edited 3 times in total.
Merged topic. Please search before posting question.
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Re: About 75% of the people that use computer  [#permalink]

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New post 01 Jul 2015, 07:48
target2015 wrote:
About 75% of the people that use computer keyboards suffer from wrist pains caused by those keyboards. Therefore, about 75% of the keyboard models on the market need to be replaced by those with designs more suited to human use.

The argument is flawed primarily because the author:


forms a conclusion based upon one premise alone

does not take into account the fact that some people are more prone to wrist pains than others

confuses an item of a certain product with a model of the product

ignores the fact that some people have used computer keyboards for much longer than others

has not taken into consideration the effect that other strenuous activities may have on a person's fingers



I think this question is already being discussed at below thread
about-75-of-the-people-that-use-computer-keyboards-suffer-from-wrist-199880.html

It will be good idea to avoid multiple thread of same question. + it will save your investment of time
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Re: About 75% of the people that use computer keyboards suffer from wrist  [#permalink]

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New post 28 Apr 2017, 15:15
I don't agree with the explanations for D.
what if from 5 minutes of usage - you don't get wrist pain, but from 90 minutes - you get?
clearly - people who use more the computer will get "tired"...I think it's a bad question for practice.
Re: About 75% of the people that use computer keyboards suffer from wrist &nbs [#permalink] 28 Apr 2017, 15:15
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