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(Un) Scientific analysis of gmatprep

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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 05 Aug 2010, 23:06
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Guys one very good observation...

funda to get 51 on GMAT (atleast tested on GMATPREP) never to get two continuous questions wrong...even with 5-6 overall wrong one can get a score of 51. Same number of mistakes and at same time with only 1 continuous set wrong will lead to 50
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 06 Oct 2010, 22:20
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smartmundu wrote:
Guys one very good observation...

funda to get 51 on GMAT (atleast tested on GMATPREP) never to get two continuous questions wrong...even with 5-6 overall wrong one can get a score of 51. Same number of mistakes and at same time with only 1 continuous set wrong will lead to 50


No, I just did GMATPrep #2 (2nd try) and got a Q51 with numbers 28 and 29 wrong (missed 3 out of 37 total). This is the first time I've scored Q51; every other time was Q50.

So far I've found Q50 on my GMAT's every time I get 6-7 quant questions wrong, which is quite a few when you consider that 31/37 is 83.7% correct.

I've done much better on the Verbal parts, even scoring a V51 once (3rd try on GMATPrep #1). V51 resulted from scoring 100%; V48 from answering 1 verbal question (#10) wrong; V47 and V48 from answering 2 verbal questions wrong (both later on, in the 20's-40's), and V42 from answering 6 wrong.

Overall I'm not too worried about the verbal score. Although it is pretty picky, needing to get every single one right to score a 51, it's overall easier imo than the quant section, and the percentile skew is better (V46 is 99%ile). I wish they scored quant and verbal evenly; it seems that you can miss 3-4 per section and still score within the 99th percentile.
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 07 Oct 2010, 01:03
Remember the gmat scoring is certainly not linear. Your first experiment where you guess RC and CR and score high on SC, simply shows that your overall score is so bad that the verbal score will mirror that.

I'm not sure that answering correctly the first 10 or so questions is that important.
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 14 Oct 2010, 15:43
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 14 Oct 2010, 23:13
Nice Analysis
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 20 Jan 2011, 08:57
This was an awesome thread!
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 20 Jan 2011, 13:26
smartmundu wrote:
Guys one very good observation...

funda to get 51 on GMAT (atleast tested on GMATPREP) never to get two continuous questions wrong...even with 5-6 overall wrong one can get a score of 51. Same number of mistakes and at same time with only 1 continuous set wrong will lead to 50


I think that statement is more valid for verbal than it is for quant. During my actual GMAT prep, i got 7 wrong in verbal of which i got 2 wrong in a row 3 times (6 out of 7). I also got all questions from 13-35 correct and still scored only a 41. Then again, that may have been because i got 2 consecutive questions wrong twice before # 13.

Verbal definitely has more severe penalties for incorrect answers. I raised this question with a GMAT teacher as to why and his theory was that 'it is a lot harder for the GMAT to determine your competency in verbal than it is for the GMAT to determine your competency in quant'.
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 24 May 2011, 07:03
Amazing topic! Have been reading very carefully.. I'll try to test it too asa Im ready.. Great job everyone so far
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 03 Dec 2011, 10:27
oustone85 wrote:
mbawaters wrote:
Took the GPrep2 yesterday, I got 39 in verbal after 8 mistakes. I have seen much better scores after 8 wrong but I guess here I had 3 wrong in a row in the first 8.

My take, yes first 5-10 do have more weight!


I definitely agree. I took the GPrep1 a few nights ago and got a 44 in verbal after missing 7 questions. Only missed one out of the first 8. However, I did miss 3 out of the last 7, so that hurt some. But evidently not as much as missing them at the start hurt you.


GOod finding. Let us know if u have muchmore finding.. May be that may help us..
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 27 Oct 2012, 06:12
i agree with the findings of bsd_lover, but i guess we should also see how the test varies if we get a string of questions wrong!

That will be a very interesting test i believe.
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 12 Mar 2013, 02:38
If you are running out of time, which is worse - doing each of the remaining questions to the best of your ability, try to get them all right and leave the rest? Or do quick guesstimates and try to at least attempt all the questions? Which has more severe penalty - an incomplete test or a string of wrong answers at the end?
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 12 Mar 2013, 03:04
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sns wrote:
If you are running out of time, which is worse - doing each of the remaining questions to the best of your ability, try to get them all right and leave the rest? Or do quick guesstimates and try to at least attempt all the questions? Which has more severe penalty - an incomplete test or a string of wrong answers at the end?



Never leave questions. Each un-attempted question translates to (roughly) a 3 percentile drop in the score. So the penalty to leave questions unanswered is severe.

please go through this thread as well (if you haven't already) - gmat-prep-software-analysis-and-what-if-scenarios-146146.html

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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 26 Jun 2013, 12:47
What about if you get the first 20 right in Verbal (taking an extraordinary amount of time) and then guess the last 21 (also curious about first 25 right guess last 16).

I guess, with verbal being my weakness, I would be curious to know if anyone posted similar results (percentile ranking at least) by getting the first 20-25 verbal right, but then just guessed C or something for the remainder. V in the 40s would be insane!
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 26 Jun 2013, 12:51
itsagulati wrote:
What about if you get the first 20 right in Verbal (taking an extraordinary amount of time) and then guess the last 21 (also curious about first 25 right guess last 16).

I guess, with verbal being my weakness, I would be curious to know if anyone posted similar results (percentile ranking at least) by getting the first 20-25 verbal right, but then just guessed C or something for the remainder. V in the 40s would be insane!



In a nutshell, not gonna happen + would advice against using this strategy for obvious reasons.

P.S: You say your verbal is weak. Getting first 25 right (even in an extraordinary amount of time) will be an achievement.
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Re: (Un) Scientific analysis of gmatprep [#permalink] New post 26 Jun 2013, 20:43
Yeah i figured, but I was just curious.

Q floats between 47 and 51, but my Verbal goes between about 32-39 (although I did have one 22 after i didn't study for a couple of weeks).

*sigh*
Re: (Un) Scientific analysis of gmatprep   [#permalink] 26 Jun 2013, 20:43
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