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Recently implemented "shift-work equations" based on studies

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Recently implemented "shift-work equations" based on studies [#permalink] New post 03 Dec 2004, 14:59
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Question Stats:

86% (01:59) correct 14% (01:23) wrong based on 102 sessions
Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various
industries.
(A) fatigue among shift workers, and have raised
(B) fatigue among shift workers, and raised
(C) and fatigue among shift workers while raising
(D) lowered fatigue among shift workers, and raised
(E) and fatigue among shift workers was lowered while raising

Highlight below to OA
The best answer, C, grammatically states that the equations... have reduced x, y, and i. and have raised
efficiency. Choices A and B fail to use and to signal that fatigue among shift workers completes the series
begun by have reduced, and so produce awkward and unclear sentences. Both D and E fail to use and to
introduce the last item in the list, which is sleeping in these constructions. In E, while raising has no logical
referent, producing only the absurd statement that fatigue has raised efficiency.

----------------------------------------------
Which one (B) or (C)? Explain? Thanks.
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 [#permalink] New post 05 Dec 2004, 06:20
OA is (C). Can someone explain?
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 [#permalink] New post 05 Dec 2004, 06:26
Answer should be 'C' only.


As per rule of parellelism, it should not be Raised(verb).. Because we are using "sickness" "sleeping on the job" "fatigue among shift workers", So next should also be infinitive raising production efficiency in various industries".
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Re: SC #233 OG - shift-work equations [#permalink] New post 06 Nov 2008, 18:51
bigfernhead wrote:
Can anyone explain why D is wrong?


D is wrong because lowered is redundant.

On the flip side, I thought the answer should be B as C seems NOT to be parallel

reduced X Y and Z, raised A

Looks like this is 10th edition. I did not understand the OE.
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Re: SC #233 OG - shift-work equations [#permalink] New post 06 Nov 2008, 18:52
Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various
industries.
(A) fatigue among shift workers, and have raised
(B) fatigue among shift workers, and raised
(C) and fatigue among shift workers while raising
(D) lowered fatigue among shift workers, and raised
(E) and fatigue among shift workers was lowered while raising

Good question!!
A, B ,D are wrong for using a "," before 'and'.

shift-work equations 'reduced' three things which should be separated by comma.
sickness, sleeping on the job, fatigue among shift workers.
But as "fatigue among shift workers" is the last in the list (of what is 'reduced' by equations) it should have an ",and" before it.

E is wrong because it violated the parallelism : sickness, sleeping on the job, fatigue among shift workers should be all nouns.

C is the best by POE
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Re: SC #233 OG - shift-work equations [#permalink] New post 06 Nov 2008, 19:54
I second Alpha's reasoning

the pattern of the sentence is

F have reduced G,H and I, while raising J.

Only C fits that pattern. E is not parallel.
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Re: SC #233 OG - shift-work equations [#permalink] New post 07 Nov 2008, 06:20
But as "fatigue among shift workers" is the last in the list (of what is 'reduced' by equations) it should have an ",and" before it.

(C) and fatigue among shift workers while raising

It does not have ",and"....

Can you explain this rule in more detail? Thanks.

alpha_plus_gamma wrote:
Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various
industries.
(A) fatigue among shift workers, and have raised
(B) fatigue among shift workers, and raised
(C) and fatigue among shift workers while raising
(D) lowered fatigue among shift workers, and raised
(E) and fatigue among shift workers was lowered while raising

Good question!!
A, B ,D are wrong for using a "," before 'and'.

shift-work equations 'reduced' three things which should be separated by comma.
sickness, sleeping on the job, fatigue among shift workers.
But as "fatigue among shift workers" is the last in the list (of what is 'reduced' by equations) it should have an ",and" before it.

E is wrong because it violated the parallelism : sickness, sleeping on the job, fatigue among shift workers should be all nouns.

C is the best by POE
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Re: SC #233 OG - shift-work equations [#permalink] New post 07 Nov 2008, 07:20
bigfernhead wrote:
It does not have ",and"....

Can you explain this rule in more detail? Thanks.


when you have to list up similar items you should separate them by a comma.
and before the last item in the list you should put ",and" to mark the end of the list.
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Re: SC #233 OG - shift-work equations [#permalink] New post 07 Nov 2008, 07:38
But there is no ",and" in answer choice C.

alpha_plus_gamma wrote:
bigfernhead wrote:
It does not have ",and"....

Can you explain this rule in more detail? Thanks.


when you have to list up similar items you should separate them by a comma.
and before the last item in the list you should put ",and" to mark the end of the list.
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Re: Recently implemented "shift-work equations" based on studies [#permalink] New post 08 Apr 2015, 18:40
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Re: Recently implemented [#permalink] New post 19 Sep 2015, 08:13
Doesn't the comma before the "and" suggest the last item is an Indempendent Clause?

I thought the "and" in the end of a list could not have a comma before it, otherwise it would suggest a new clause would start from there.
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Re: Recently implemented [#permalink] New post 25 Sep 2015, 20:32
Expert's post
The comma before "And" does not necessarily suggest that the last item in the parrallel list be "Independent clause"

AND - is used to join entities

X, & Y - If X is IC then Y needs to be IC to maintain parallelism.

In this case, X,Y, Z, & A - The last element is not parallel with the remaining 3 elements. The last element is out of sync. So, it needs to be removed.

The correct option (C) - does the same. X - Have reduced sickness , Y - Have reduced sleeping, Z - Have reduced fatigue,
A - contrast (represented by While) - Raising production efficiency.
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Re: Recently implemented   [#permalink] 25 Sep 2015, 20:32
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