mgmat test set 6

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thephoenix: Legendary Member; Posts: 1560; Joined: Tue Nov 17, 2009 2:38 amFollowed by: 5 members; Thanked: 137 times

by thephoenix » Mon Feb 22, 2010 5:54 am

The relationship between cell phone use and the incidence of brain tumors is still unclear, this is because some studies show a causal relationship while others do not.

a.is still unclear, this is because some studies show

b.is still unclear; some studies show

c.are still unclear because some studies show

d.is still unclear because: some studies show

e.is still unclear; the reason is that some studies show

my ans differs from OA

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Source: Beat The GMAT — Sentence Correction | Mon Feb 22, 2010 5:54 am

harsh.champ: Legendary Member; Posts: 1132; Joined: Mon Jul 20, 2009 3:38 amFollowed by: 6 members; Location: India; Thanked: 64 times; GMAT Score:760

by harsh.champ » Mon Feb 22, 2010 6:01 am

thephoenix wrote:The relationship between cell phone use and the incidence of brain tumors is still unclear, this is because some studies show a causal relationship while others do not.

a.is still unclear, this is because some studies show-" ; " should be there instead of " , " .

b.is still unclear; some studies show

c.are still unclear because some studies show

d.is still unclear because: some studies show -" : " should not follow "because".

e.is still unclear; the reason is that some studies show-Most appropriate.

my ans differs from OA

IMO E should be the answer.

Whats the OA and ur answer??

It takes time and effort to explain, so if my comment helped you please press Thanks button

Just because something is hard doesn't mean you shouldn't try,it means you should just try harder.

"Keep Walking" - Johnny Walker

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harshavardhanc: Legendary Member; Posts: 526; Joined: Sat Feb 21, 2009 11:47 pm; Location: India; Thanked: 68 times; GMAT Score:680

by harshavardhanc » Mon Feb 22, 2010 6:59 am

thephoenix wrote:The relationship between cell phone use and the incidence of brain tumors is still unclear, this is because some studies show a causal relationship while others do not.

a.is still unclear, this is because some studies show

b.is still unclear; some studies show

c.are still unclear because some studies show

d.is still unclear because: some studies show

e.is still unclear; the reason is that some studies show

my ans differs from OA

I think, the reason is that is redundant in E. IMO B. The second half tells why the relationship is unclear.

Regards,
Harsha

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harsh.champ: Legendary Member; Posts: 1132; Joined: Mon Jul 20, 2009 3:38 amFollowed by: 6 members; Location: India; Thanked: 64 times; GMAT Score:760

by harsh.champ » Mon Feb 22, 2010 7:01 am

I still think it is E only.

Hey thephoenix,
Can we have the OA plz??

It takes time and effort to explain, so if my comment helped you please press Thanks button

Just because something is hard doesn't mean you shouldn't try,it means you should just try harder.

"Keep Walking" - Johnny Walker

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nox104: Senior | Next Rank: 100 Posts; Posts: 69; Joined: Tue Sep 09, 2008 2:18 pm; Thanked: 3 times

by nox104 » Mon Feb 22, 2010 7:35 am

IMO B over E.

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prinit: Master | Next Rank: 500 Posts; Posts: 183; Joined: Sun Oct 12, 2008 8:13 pm; Location: Greater NYC; Thanked: 14 times

by prinit » Mon Feb 22, 2010 8:22 am

harsh.champ wrote:
thephoenix wrote:The relationship between cell phone use and the incidence of brain tumors is still unclear, this is because some studies show a causal relationship while others do not.

a.is still unclear, this is because some studies show-" ; " should be there instead of " , " .

b.is still unclear; some studies show

c.are still unclear because some studies show

d.is still unclear because: some studies show -" : " should not follow "because".

e.is still unclear; the reason is that some studies show-Most appropriate.

my ans differs from OA
IMO E should be the answer.

Whats the OA and ur answer??

My pick is A. Can we have OA pls.

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onedayi'll: Senior | Next Rank: 100 Posts; Posts: 87; Joined: Wed Jan 06, 2010 8:16 pm; Location: Chandigarh, INDIA

by onedayi'll » Mon Feb 22, 2010 8:30 am

Adding my 2 cents...

few of us, already narrowed down to B and E.

I'll choose B because:

(E) "the reason is that" is unnecessarily wordy.
The more concise version in answer choice (B) is preferred.

Gym/GMAT/Girl -- Be Serious

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prinit: Master | Next Rank: 500 Posts; Posts: 183; Joined: Sun Oct 12, 2008 8:13 pm; Location: Greater NYC; Thanked: 14 times

by prinit » Mon Feb 22, 2010 8:34 am

thephoenix wrote:The relationship between cell phone use and the incidence of brain tumors is still unclear, this is because some studies show a causal relationship while others do not.

a.is still unclear, this is because some studies show

b.is still unclear; some studies show

c.are still unclear because some studies show

d.is still unclear because: some studies show

e.is still unclear; the reason is that some studies show

my ans differs from OA

just had a closer look at choices. Except B, All options are trying to introduce subordinate structure. Can we have OA pls.

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thephoenix: Legendary Member; Posts: 1560; Joined: Tue Nov 17, 2009 2:38 amFollowed by: 5 members; Thanked: 137 times

by thephoenix » Mon Feb 22, 2010 9:56 am

prinit wrote:
thephoenix wrote:The relationship between cell phone use and the incidence of brain tumors is still unclear, this is because some studies show a causal relationship while others do not.

a.is still unclear, this is because some studies show

b.is still unclear; some studies show

c.are still unclear because some studies show

d.is still unclear because: some studies show

e.is still unclear; the reason is that some studies show

my ans differs from OA
just had a closer look at choices. Except B, All options are trying to introduce subordinate structure. Can we have OA pls.

and y a subordinate structure is wrong here

well guys OA is B

but my ans was A
because i thought in A the clause after comma is dependent on preceding clause and therefore comma is justified

but i am wrng y????????

source is MGMAT test

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sumanr84: Legendary Member; Posts: 758; Joined: Sat Aug 29, 2009 9:32 pmFollowed by: 2 members; Location: Bangalore,India; Thanked: 67 times

by sumanr84 » Mon Feb 22, 2010 10:12 am

IMO the presence of this is killed the subordinate behavior and created comma splice. Had it been without that, option A wud have been fine.

For those who want to know comma splice errors,
https://grammartips.homestead.com/splice.html

I am on a break !!

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prinit: Master | Next Rank: 500 Posts; Posts: 183; Joined: Sun Oct 12, 2008 8:13 pm; Location: Greater NYC; Thanked: 14 times

by prinit » Mon Feb 22, 2010 10:44 am

sumanr84 wrote:IMO the presence of this is killed the subordinate behavior and created comma splice. Had it been without that, option A wud have been fine.

For those who want to know comma splice errors,
https://grammartips.homestead.com/splice.html

Thanks for the clarification and introducing one useful link to us. Now I got it clear why option A is wrong and why Y wins here.

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