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# GMAT Prep Software Analysis and What If Scenarios

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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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05 Nov 2013, 07:09
fedeal883 wrote:
Hey guys!! First of all, thanks for the amazing work you’ve been doing.

Is it possible to test these scenarios with the new exam pack released by Gmac????
Browsing in this forum (and others) I’ve seen that people have experienced scores not in line with the scenarios in this thread. And most importantly, it looks like they’ve had more problems with the second test they’ve taken; that is, lower scores with more questions answered correctly ( I know the importance of the order in the algorithm). As if the questions pool isn’t big enough to sustain two tests at high scores.

Also, I have a question for Bunuel and Vercules.
Have you resetted the software each time you have tried a scenario??? Or did you do so every 2 scenarios you have tried???
I wonder if the question pool has influenced the score. Of course there would be no such problem on the real test, as the question pool is way bigger.

It’s just that the new exam pack is the closest thing to the real test and it would be great to know as much as possible about it.
So?? What do you think???

Yes, I was resetting the pool each time.
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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10 Nov 2013, 22:38
Great analysis :Bunuel & Vercules
What will be the guessing strategy for verbal?
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10 Nov 2013, 22:41
vivekkapoor73 wrote:
Great analysis :Bunuel & Vercules
What will be the guessing strategy for verbal?

I don't think there is any besides - get as many hard questions right, as you can
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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13 Nov 2013, 06:17
Absolutely incredible analysis guys! I think this must be one of the best GMAT strategy post I have read anywhere.

I have 1 or 2 more scenarios in mind specifically for higher scoring range. What should be the most optimum strategy for scoring more than +90% on each section? For instance is it possible to score 50 or more on quant with the following scenarios:

1. first 9 all correct; 10-20: 2 questions wrong spread randomly in this range (maybe 10th and 16th wrong) ; 21-30: 4 questions wrong again spread randomly in this range (maybe 31th, 34th,37th and 39th wrong); and lastly, 31-37 : 5 questions wrong again spread randomly in this range (maybe only 32nd and 36th correct)

2. first 12: only one wrong maybe Q#6; 13-25: every 3rd question incorrect; 26-37: every 2nd question incorrect

My logic to include randomness here is - average test taker may not have enough skill to be sure that he/she has answered every questions correct in a range and then guess completely in the next range. The strategy we are trying to test here is - is it possible to devote the maximum time in the first quartile and try to get as many correct answers as you can and with each subsequent quartile pick up the pace while compromising accuracy and still manage to get an elite score. I think +90% on each section will give one an overall score of +750.

Thanks!
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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14 Nov 2013, 13:47
farful wrote:
Could we add two more experiments (for quant - should be repeated for verbal too I suppose for 6 and 11 questions).

It would be nice to verify that scenario 1 will result in a higher score than scenario 2.

Sigh, nevermind. I just did this test myself and it was pointless. I ended up with a quant score of 6 with both scenarios.

Clearly 10 correct answers was not enough
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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19 Nov 2013, 03:25
1
1. first 9 all correct; 10-20: 2 questions wrong spread randomly in this range (maybe 10th and 16th wrong) ; 21-30: 4 questions wrong again spread randomly in this range (maybe 31th, 34th,37th and 39th wrong); and lastly, 31-37 : 5 questions wrong again spread randomly in this range (maybe only 32nd and 36th correct)

I did it myself guys. I got 50 with 13 incorrect answers. So far this looks the best or most optimal result. Let me know what you think.
Here were the incorrect ones- 5, 12, 14, 15, 20,21, 27, 30, 32, 33, 34, 36, 37
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19 Nov 2013, 07:34
MensaNumber wrote:
1. first 9 all correct; 10-20: 2 questions wrong spread randomly in this range (maybe 10th and 16th wrong) ; 21-30: 4 questions wrong again spread randomly in this range (maybe 31th, 34th,37th and 39th wrong); and lastly, 31-37 : 5 questions wrong again spread randomly in this range (maybe only 32nd and 36th correct)

I did it myself guys. I got 50 with 13 incorrect answers. So far this looks the best or most optimal result. Let me know what you think.
Here were the incorrect ones- 5, 12, 14, 15, 20,21, 27, 30, 32, 33, 34, 36, 37

This is not the best or best optimal.

Best is first 10 correct then next 9 guess then next 9 correct then next 8 guess...Q50 final score, with only solving 19 questions in 75 mins.
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19 Nov 2013, 08:33
PlanetEarth wrote:
MensaNumber wrote:
1. first 9 all correct; 10-20: 2 questions wrong spread randomly in this range (maybe 10th and 16th wrong) ; 21-30: 4 questions wrong again spread randomly in this range (maybe 31th, 34th,37th and 39th wrong); and lastly, 31-37 : 5 questions wrong again spread randomly in this range (maybe only 32nd and 36th correct)

I did it myself guys. I got 50 with 13 incorrect answers. So far this looks the best or most optimal result. Let me know what you think.
Here were the incorrect ones- 5, 12, 14, 15, 20,21, 27, 30, 32, 33, 34, 36, 37

This is not the best or best optimal.

Best is first 10 correct then next 9 guess then next 9 correct then next 8 guess...Q50 final score, with only solving 19 questions in 75 mins.

First, the scenario you mentioned gave a total score of 49 and not 50.

Second, pls check my earlier post- my endeavour is to create a strategy in which you get at the least 50 by solving minimum number of Qs
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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24 Nov 2013, 17:41
Thanks guys, that's very interesting.

I've taken GMAT Prep 3 times and these are my results:
GMAT Prep 1 - 540 (Q32, V33) - I did **** up the timing on this one, had lots of time left
GMAT Prep 1 (reset after a long time) - 730 (Q45, V45) - 17 quant questions incorrect (numbers: 1,7,10,12-13,17-19,22,28-29,31-34,36-37), 6 verbal incorrect (8, 23,28,32,37,41)
GMAT Prep 2 - 670 (Q37, V44) - 12 quant questions incorrect (numbers: 1-4,11-12,16,20,24, 27,32-33), 4 verbal incorrect (2, 27-28,40)

These are tests that I've done for real (not trying to check the machine) and I'm looking to see whether the first questions count more. Seems like they do. On the last exam, getting the first four questions wrong on the quant hurt my score. Getting the second question wrong on verbal also detrimental, but not by much (only moving me from 99th percentile a little bit).

I was to get 45 on the quant on the real test as well, I'm just looking for the best way to do that.
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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28 Nov 2013, 03:58
Hi,
Good analysis. I am here to get some insight upon my case.
Given the fact that my GMAT is scheduled next week, i probably cant work upon improving explicit skills. Hence I started reading Guessing posts.

In my 4-5 mock tests I am constantly getting score 630-660( Q46-49, V21-27). I have not incorporated any guessing technique.
In quant, PS is good but DS need little more improvement. DS is also the area where i am consuming maximum time.
Hence, what strategy should I follow- Upon reading all guessing posts, I am now planning to smartly guess few tough(above my standard) DS questions.

In verbal- Accuracy pattern is CR>SC>RC. I take around 2:00-2:30 min is CR, which I don't mind as I am getting 75% of them right.
In SC- Mixed result. 50% right. But avg time is very less. 0:45 to 1:30 min.
RC is main culprit. Being a non english speaking native, I take 5+ min for short passage and 7+ min long passage. In addition, 1 min each for answering questions attached. Moreover, I feel lot of pressure as if I am wasting precious time and eventually endup answering incorrect.

Oflate, I started skipping one short passage(with most unfamiliar topic). Probably last or second last passage. Hence I end up saving almost 10 minute full. But on the cost of 3 straight guesses. Kindly critique my this strategy and give suggestion to take this 660 to 700.

Thanks
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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28 Nov 2013, 22:28
Wow that's a very detailed analysis guys!!
I always used to believe that the first 10 question myth was exactly that - a myth - but from your results it seems that is definitely not so.
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Re: GMAT Prep Software Analysis and What If Scenarios  [#permalink]

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13 Dec 2013, 23:22
Dear Bunuel ,

Can you please run a scenario on the Gprep in which all questions in the quantitative which are difficult (possibly 700 plus level ) or questions which are time consuming (which will take more than 3 minutes to answer ) - both the cases mentioned above are deliberately answered incorrectly . Also all questions which have a moderate level of difficulty or easier level of diffculty are answered correctly .

I would love to see the quant score in such a scenario. For a expert like you who has solved almost all the GPrep questions of quant - you can easily predict the diffculty level . If at all after running the simulation in the above manner - we are able to get a score of 47 - 49- then we can easily draw the conclusion that solving too tough questions are not necessary to score 700 plus . (gmat prep pack -1 - has categorized questions into - hard , medium and easy levels - from there we can get some sense as to what constitutes a tough question and what can be called an easy one!. From there we can take an idea when we do simulation on gprep 1 and gprep 2.)

I would look forward to hear on this from your side .
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18 Dec 2013, 05:33
Thank you so much for your analysis
Great work!!
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27 Jan 2014, 14:25
An important implication of this study is that one should invest significantly more time in the first 10 questions. Kaplan responds to this by suggesting one will struggle with the remaining questions, since the CAT will feed you much harder questions. And consequently, the investment in the first 10 questions may not have been worth it. How do gmatclub experts respond?

Put differently, Bunuel's studies suggest that the last 10 questions are the least important, whereas the first 10 are the most important. But suppose a 600-level test-taker answers the first 10 questions correctly... What are the odds he/she will correctly answer the next 21 questions correctly (and the last 10 incorrectly)? Those middle 21 questions will be increasingly difficult and next to impossible for a 600-level test taker to get correct.

Perhaps a good strategy is to compromise -- double or triple check that the mental math in the first 10 questions is correct, but not spend over 3 minutes obsessing over a difficult quant problem.

Thoughts?
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03 Feb 2014, 03:59
Excellent post...
My GMAT exam is on 10th Feb...
So, I think this post is very much helpful to me.
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20 Feb 2014, 18:48
Hi,

First, thanks so much for the information. This was really helpful!

Recently I took 2 MGMAT CATs and scored low on the Quant, but didn't realize the penalty for skipping questions:

Q34 (15 correct, 9 incorrect, 13 blank)
Q36 (16 correct, 9 incorrect, 12 blank)

Nearly all of the questions I completed were in the 700-800 range.

My question is, had I spent the 30 secs or so randomly guessing D, how much would that potentially increase my Quant score?

Thanks!
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24 Feb 2014, 23:05
Dear ppl,

please verify regarding the first 10 question. if it good idea to invest more time on first 10 questions?
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23 Mar 2014, 15:37
1
But is the scoring algorithm here indicative of the actual GMAT?

Also, because we don't know for sure whether we got a question correct or not immediately after answering it, does one dare to actually skip (guess) questions 11-19, and only start trying from questions 20-28... and then guessing the remainder? What if you thought you got them right... but you didn't... now you blew around 1/2 the questions that you could've used to bring your score back up? thoughts?

Also, just wondering how difficult were the 1-10 and 20-28 questions you were getting? were they mostly 700-800 questions??

Either way thanks for your time... its great information but I'm just wondering if I dare to use it as an actual strategy on test day.
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23 Mar 2014, 17:00
simonj13 wrote:
But is the scoring algorithm here indicative of the actual GMAT?

Also, because we don't know for sure whether we got a question correct or not immediately after answering it, does one dare to actually skip (guess) questions 11-19, and only start trying from questions 20-28... and then guessing the remainder? What if you thought you got them right... but you didn't... now you blew around 1/2 the questions that you could've used to bring your score back up? thoughts?

Also, just wondering how difficult were the 1-10 and 20-28 questions you were getting? were they mostly 700-800 questions??

Either way thanks for your time... its great information but I'm just wondering if I dare to use it as an actual strategy on test day.

WE DO NOT KNOW THE ACTUAL GMAT ALGORITHM.
It is in some ways and it is not in others. The official algorithm is much more complex and has multiple checks/verifications to prevent fraud/cheating.
If you have to skip as many questions, it is a tough situation. Try to get a better handle on your timing.
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24 Mar 2014, 05:07
I always thought that the myth about the first 10 questions is actually truth.
My quant score was Q47
Very interesting.
It is a good idea for creating a general strategy.
Re: GMAT Prep Software Analysis and What If Scenarios   [#permalink] 24 Mar 2014, 05:07

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# GMAT Prep Software Analysis and What If Scenarios

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