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# (Un) Scientific analysis of gmatprep

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Manager
Joined: 12 Jun 2007
Posts: 125
Re: (Un) Scientific analysis of gmatprep [#permalink]

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06 Aug 2010, 00:06
1
KUDOS
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
Manager
Joined: 17 May 2010
Posts: 121
Location: United States
Concentration: Entrepreneurship, Marketing
Schools: USC (Marshall) - Class of 2013
GMAT 1: 770 Q50 V46
GPA: 3.26
WE: Brand Management (Consumer Products)
Re: (Un) Scientific analysis of gmatprep [#permalink]

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06 Oct 2010, 23:20
1
KUDOS
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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Senior Manager
Joined: 31 Mar 2010
Posts: 414
Location: Europe
Re: (Un) Scientific analysis of gmatprep [#permalink]

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07 Oct 2010, 02:03
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.
CEO
Status: Nothing comes easy: neither do I want.
Joined: 12 Oct 2009
Posts: 2783
Location: Malaysia
Concentration: Technology, Entrepreneurship
Schools: ISB '15 (M)
GMAT 1: 670 Q49 V31
GMAT 2: 710 Q50 V35
Re: (Un) Scientific analysis of gmatprep [#permalink]

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14 Oct 2010, 16:43
Wonderful analysis by Hussain.

gmat-prep-analysis-tool-102803.html
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Manager
Joined: 20 Apr 2010
Posts: 210
Schools: ISB, HEC, Said
Re: (Un) Scientific analysis of gmatprep [#permalink]

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15 Oct 2010, 00:13
Nice Analysis
Senior Manager
Joined: 21 Sep 2010
Posts: 261
Re: (Un) Scientific analysis of gmatprep [#permalink]

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20 Jan 2011, 09:57
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Intern
Joined: 03 Jun 2010
Posts: 22
Re: (Un) Scientific analysis of gmatprep [#permalink]

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20 Jan 2011, 14:26
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'.
Manager
Joined: 16 Mar 2011
Posts: 177
Re: (Un) Scientific analysis of gmatprep [#permalink]

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24 May 2011, 08:03
Amazing topic! Have been reading very carefully.. I'll try to test it too asa Im ready.. Great job everyone so far
Manager
Joined: 24 Oct 2011
Posts: 94
Location: India
GMAT Date: 11-29-2011
GPA: 3.5
WE: Web Development (Computer Software)
Re: (Un) Scientific analysis of gmatprep [#permalink]

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03 Dec 2011, 11:27
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..
Intern
Joined: 21 Apr 2011
Posts: 18
Concentration: General Management, Operations
Re: (Un) Scientific analysis of gmatprep [#permalink]

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27 Oct 2012, 07:12
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.
Intern
Joined: 12 Mar 2013
Posts: 20
GMAT 1: 610 Q42 V33
Re: (Un) Scientific analysis of gmatprep [#permalink]

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12 Mar 2013, 03:38
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?
VP
Joined: 23 Mar 2011
Posts: 1113
Concentration: Healthcare, Strategy
Schools: Duke '16 (M)
Re: (Un) Scientific analysis of gmatprep [#permalink]

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12 Mar 2013, 04:04
1
KUDOS
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.

Cheers
Intern
Joined: 03 May 2011
Posts: 10
Re: (Un) Scientific analysis of gmatprep [#permalink]

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26 Jun 2013, 13:47
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!
VP
Joined: 23 Mar 2011
Posts: 1113
Concentration: Healthcare, Strategy
Schools: Duke '16 (M)
Re: (Un) Scientific analysis of gmatprep [#permalink]

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26 Jun 2013, 13:51
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.
Intern
Joined: 03 May 2011
Posts: 10
Re: (Un) Scientific analysis of gmatprep [#permalink]

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26 Jun 2013, 21:43
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, 21:43

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# (Un) Scientific analysis of gmatprep

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