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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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25 Jan 2013, 11:48
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souvik101990 wrote:
Excellent stuff Vercules
One thing that I needed to clarify
I am not entirely sure if I interpreted GMAC correctly but what I understood was that:
For example in the first 10 questions for example, if you answer all the SC questions correctly but all the CR questions incorrectly, the next SC question is going to be difficult but the CR question is going to be easier.
Do you think its right in the GMATPrep scene?

Hi Souvik,

In my experience, chances are higher to get a tougher CR question if you solved all the previous SC questions correctly.

Anyway you will not get 10 SC in a row, they will be distributed throughout. In the actual GMAT I didn't saw more than 4 SC questions in a row.

For a single RC there are multiple questions (6 to 8) in the question pool, but in the test they throw only 3-5; the question you see will be determined by your response to previous questions.

In my actual GMAT I got a very long and tough RC passage at the end of the test. Apparently, because the momentum from the previous questions would have been good. I scored V42 in that test, so I feel the number of questions I answered incorrectly would have been around 5 to 7.

I would say, one would be lucky if one starts the verbal section with an RC because that RC, for sure, would not be a super tough one.

Hope that helps,

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

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25 Jan 2013, 11:53
Vercules wrote:
souvik101990 wrote:
Excellent stuff Vercules
One thing that I needed to clarify
I am not entirely sure if I interpreted GMAC correctly but what I understood was that:
For example in the first 10 questions for example, if you answer all the SC questions correctly but all the CR questions incorrectly, the next SC question is going to be difficult but the CR question is going to be easier.
Do you think its right in the GMATPrep scene?

Hi Souvik,

In my experience, chances are higher to get a tougher CR question if you solved all the previous SC questions correctly.

Anyway you will not get 10 SC in a row, they will be distributed throughout. In the actual GMAT I didn't saw more than 4 SC questions in a row.

For a single RC there are multiple questions (6 to 8) in the question pool, but in the test they throw only 3-5; the question you see will be determined by your response to previous questions.

In my actual GMAT I got a very long and tough RC passage at the end of the test. Apparently, because the momentum from the previous questions would have been good. I scored V42 in that test, so I feel the number of questions I answered incorrectly would have been around 5 to 7.

I would say, one would be lucky if one starts the verbal section with an RC because that RC, for sure, would not be a super tough one.

Hope that helps,

Vercules

Yep I completely agree with you on the RC bit.
I think RC is pretty luck based. No matter how much you prepare for "social/business/philosophy" passages, stuffs that you dont like will be harder to comprehend and you never know what topic GMAT has in mind for you that day.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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25 Jan 2013, 15:22
Bunuel,

this is a very informative and insightful thread.

would you consider a guessing approach by topic to see if you can identify any patterns by topic

findings could be:

A was 39% more likely correct
B was 12%
C 25%
D 15%
E 9%

Although the what if scenario would by no means be something to base ones studies on however if faced with a certain topic instead of just blindly guessing the above could offer a plan B approach to guessing when needed
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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25 Jan 2013, 20:21
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souvik101990 wrote:
Excellent stuff Vercules
One thing that I needed to clarify
I am not entirely sure if I interpreted GMAC correctly but what I understood was that:
For example in the first 10 questions for example, if you answer all the SC questions correctly but all the CR questions incorrectly, the next SC question is going to be difficult but the CR question is going to be easier.
Do you think its right in the GMATPrep scene?

Hi Souvik,
From what I recollect , in one of the forum posts Ron had answered a similar question about RC. The individual question types are not separately adaptive (Just like you,I earlier thought that was the case). So for instance, say you are at question #30 SC & you are performing at 700+ level then your next question #31 CR/RC/SC will be of the same or higher difficulty level. How it works for RC? the QP1 and Gmat prep software have a collection of 5-6 RC questions per passage, you will face a easier question from the mix if you are not doing well(depending on your performance on the previous CR/SC questions) and vice versa. So indeed the RC/SC/CR are not separately adaptive.

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

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26 Jan 2013, 23:10
This is truly amazing stuff. kudos Bunuel and Vercules.
I would like to know another 'what if scenario'. What if you get all questions of a particular type wrong e.g. what if you get all RC wrong in Verbal (I guess many aspirants would be eager to know this )
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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28 Jan 2013, 01:10
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pikachu wrote:
Bunuel, this is a great study that some of us future test takers can possibly employ as a strategy especially if we are running low on time. Two thumbs up.

I was wondering if you had been using the same GMAT prep software on the same PC when you tested all the scenarios and how repetitive the questions were. Due to the limited question pool on the prep software it would be interesting to know how it affected the final scores. BTW what was the version of the software you tested.

Yes, I was using the same GMAT Prep software on the same PC. I downloaded the last version of the software (2.1.294) from mba.com.

Each time I was reseting the pool, so I was getting the same questions over and over.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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28 Jan 2013, 01:11
Samwong wrote:
Are the results for each scenario consistent if you repeat the experiment?

More or less but the trends are maintained.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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28 Jan 2013, 01:12
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soumens wrote:
Awesome initiative!! The use of crystal clear language unties all knots.

Eagerly waiting for the Verbal What-if scenarios...

Just a quick Q, does GMATPrep simulate experimental questions in the same way as the test???

I think you might have even conducted multiple cycles of the same scenario. Was there no difference in the end scores?

Because I guess only experimental questions can introduce an error margin and it would be great to quantify that if possible...

Thanks to all...

Important Clarification: we have a strong reason to believe that even though GMAT Prep is the closest algorithm to the GMAT, it is most likely NOT identical. Some of these scenarios may result into a different outcome when attempted on the real test. We so far have no reports to confirm or dismiss these results based on the test day experience.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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28 Jan 2013, 01:16
jsphcal wrote:
Bunuel,

this is a very informative and insightful thread.

would you consider a guessing approach by topic to see if you can identify any patterns by topic

findings could be:

A was 39% more likely correct
B was 12%
C 25%
D 15%
E 9%

Although the what if scenario would by no means be something to base ones studies on however if faced with a certain topic instead of just blindly guessing the above could offer a plan B approach to guessing when needed

As I noticed the correct answers are almost equally distributed between A, B, C, D, and E.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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28 Jan 2013, 01:42
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Bunuel wrote:
soumens wrote:
Awesome initiative!! The use of crystal clear language unties all knots.

Eagerly waiting for the Verbal What-if scenarios...

Just a quick Q, does GMATPrep simulate experimental questions in the same way as the test???

I think you might have even conducted multiple cycles of the same scenario. Was there no difference in the end scores?

Because I guess only experimental questions can introduce an error margin and it would be great to quantify that if possible...

Thanks to all...

Important Clarification: we have a strong reason to believe that even though GMAT Prep is the closest algorithm to the GMAT, it is most likely NOT identical. Some of these scenarios may result into a different outcome when attempted on the real test. We so far have no reports to confirm or dismiss these results based on the test day experience.

Yeah I think one of the reasons could be that GMATPrep does not contain experimental questions as GMAT does.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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29 Jan 2013, 07:50
2 new scenarios added (8th and 9th).
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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29 Jan 2013, 08:03
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http://www.mba.com/the-gmat/prepare-for ... -that.aspx
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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29 Jan 2013, 12:05
carcass wrote:

http://www.mba.com/the-gmat/prepare-for ... -that.aspx

I believe the analysis of gmat prep is good enough. I am not sure if this can be replicated on the D day. The question pool will be bigger there.

Moreover, its a risk! Strategies like guessing we do use.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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30 Jan 2013, 00:15
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Just wanted to add that GMAC has since confirmed that the adaptivity is by the SECTION, not the question type:

http://officialgmat.mba.com/2012/12/11/ ... questions/

Hence, the verbal section itself is adaptive, not the individual question types like RC, CR or SC.

So we will never reach harder CR questions if we screw up big time in SC or RC.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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30 Jan 2013, 00:23
Hi soumens,

Thanks for the link, it confirms our observation from the actual test and the our experiments with GMATPrep tests.

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

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31 Jan 2013, 11:11
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Testing Scenario 7:

7 EQUALLY SPACED questions incorrect with a gap of 5 correct questions in-between. Therefore, the incorrect questions are 1, 7, 14, 21, 28, 35, 41, the rest are correct.

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

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31 Jan 2013, 12:46
Updated the Verbal post with Quant Guessing Strategy.

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

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01 Feb 2013, 00:58
Thanks Brunnel.. its an amazing post..
what would the result be for 3-4 questions wrong per every 10 questions ?
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01 Feb 2013, 15:52
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink]

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02 Feb 2013, 12:59
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GMAC Continues to emphasize that the first 10 questions are not important.... which I think is a very absolute statement which does not appear so absolute based on our observations.
http://www.mba.com/the-gmat/prepare-for ... -that.aspx
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Re: GMAT Prep Software Analysis and What If Scenarios   [#permalink] 02 Feb 2013, 12:59

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# GMAT Prep Software Analysis and What If Scenarios

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