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Breaking the sentence correction barrier

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by NextGreatLeader » Thu Aug 16, 2012 6:20 am
MGMAT's SC guide is generally considered one of the strongest resources for improving SC. I'd recommend you re-work that book.

Also, are you taking time to review your practice tests? Do you tend to get certain SC questions wrong more often that others. For instance, are you struggling with subject-verb agreement or parallelism?

There are essentially 8 different concepts tested in sentence correction. As you complete each practice problem, write down why you think each answer choice is right or wrong. Then, as you review the answers, check whether you're thinking matches the answer explanation. Hopefully, you'll start to see some patterns.

Are you a native English speaker?
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by machichi » Thu Aug 16, 2012 5:31 pm
A 43 in quant is pretty low and only puts you at 68th percentile, whereas a 42 in verbal puts you at a 96th percentile. You should focus on quant at this point!
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by Brian@VeritasPrep » Fri Aug 17, 2012 10:18 am
Hey dchan,

I've talked to a lot of students in your position, and one of the things that works best with SC is recognizing that it's often every bit as "logical reasoning" based as are CR or RC. So when I see you write something like this:
Yet I seem to be making no progress on SC even after learning all the potential errors.
I think what you need to do is not just *know* the errors, but think about them. You mentioned logical predication - those are a lot easier to spot based on the logic behind them than based on application/recognition of rules.

For example, a logical predation error could take the form of:

The primary goal of the oncological research department at Johns Hopkins is cancer.

Why is that wrong? It's illogical - the goal isn't "cancer" it's "treating cancer" or "finding a cure for cancer". You have to be reading that sentence for logic and meaning to really get that error, so it does require you to reason your way through it.

Parallelism is often the same kind of thing. To keep on a similar theme, here's an example of a parallelism error:

Despite the millions of dollars that have been spent on research, doctors maintain that treating Disease X remains much more difficult than Disease Y.

You can see this as a direct parallelism error, but it's also a logical/meaning error. "Disease Y" isn't "more difficult", it's "treating Disease Y" that's difficult.

Seeing these things logically can be extremely helpful as questions get harder. There's a great question out there that essentially hinges on the distinction between:

A) ...helps flies to distinguish their species from that of others
B) ...helps flies to distinguish their species from those of others
C) ...helps flies to distinguish their species from others

And most GMAT students immediately eliminate C, because they see the word "their" on one side of the comparison and think they need a possessive "That of" or "Those of" on the other.
But actually the answer here is C, because if you think it through logically, what is "others" but a pronoun for "species"? And you wouldn't say "the species of other species", so you don't need "that of" or "those of" here.

________________________________________________________________

My point with all this - to make that next leap in SC, try to go beyond categorizing or recognizing errors, and think about whey, logically, those errors are wrong. You can reason your way through a lot more SC questions than most people realize you can, and the tougher questions typically require you to do a lot of thinking. See if that helps...
Brian Galvin
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Chief Academic Officer
Veritas Prep

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by adityag85 » Sat Aug 18, 2012 11:00 am
machichi wrote:A 43 in quant is pretty low and only puts you at 68th percentile, whereas a 42 in verbal puts you at a 96th percentile. You should focus on quant at this point!
I second machichi's advice!
Although you're not getting most of the SCs right, you shouldn't be worrying about them much as GMAC don't report sectional scores in verbal. Make sure you're very good at CR and RC.
Rather, put a little effort on Quant that would take your Q score closer to 80th percentile, say Q 47.

If you're still desperate to break the SC barrier, go with Brian's advice!

Good luck :)
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