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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] New post 28 Jan 2013, 00:12
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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... :-D

Thanks to all... :-D


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] New post 29 Jan 2013, 07:03
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 31 Jan 2013, 10:11
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Added Scenario 7 to Verbal

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.

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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 11 Feb 2013, 08:40
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Archit143 wrote:
Hi
I have been following this thread long...but i was bit skeptical, whether GMAT prep software has the same algorithm as actual gmat has.....
Can we follow the scenarios, if we get into any such scenario on actual test, for i have heard that first 10 questions are not that important.

Archit


Hi Archit,

Well, GMATPrep is the only thing which is closest to the actual GMAT algorithm. But is it exactly the same as the actual GMAT algorithm, probably not. In my opinion, GMAC, the makers of the GMAT must be continuously working on the algorithm and the questions so that the test maintains its standardized nature and accuracy level. GMAT says that first 10 questions are not that important, but the GMAT prep indicates the contrary.

Moreover there are a few experimental questions in the actual GMAT, a feature absent in the GMATPrep tests. So, if 6 questions in Verbal and Quant are experimental then the real determiners of your score are the 31 verbal questions and 35 quant questions. This thing is impossible to test on GMATPrep tests. So, even if they are using the same algorithm in the GMATPrep tests, the absence of experimental questions feature makes it slightly less accurate. But again, it is the closest one; I think that the variation from the actual would not be more than 30 score point. So, if you score 700 on GMATPrep then in the actual test you might score 670 on a bad day and 730 on a good day. I scored 720 on GMATPrep two days before my actual test, and on the real GMAT I scored 750.
Bottomline: GMATPrep tests are one of the most accurate predictors of your score among all the tests present in the real world.

Hope that helps,

Vercules
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 12 Feb 2013, 10:47
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Souvik, Its k no issues i ll try to search on google, i do not remem .....I took test on 5th feb....once i get i ll PM you and no issues you can post it in your link.Let me search!!!!

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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 12 Feb 2013, 10:53
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Link to first RC passage: historians-have-identified-two-dominant-currents-in-63470.html (Easy one)
Link to second RC passage : in-its-1903-decision-in-the-case-of-lone-wolf-v-hitchcock-91506.html (realtively tough)

Last i do not remem , I ll endeavor to search, if i can find i ll post. These two were the first two passages.

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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 19 May 2013, 06:33
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Hi Guys,

I have implemented strategy # 7 by Bunuel for MGMAT practice test in quant section.
and my quant score was Q47
Bang on!!! :o
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 28 Mar 2014, 13:25
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Hey guys explain me this shitty algorythum. First ten questions 8/10. Tehn 11 - 20 - 5/10 then 21- 30 7/10 and finally 31- 41 7/11 . A total of 27/41 , best record so far and only two series of three consequetive wrong questions and a shitty score on Verbal of 25. I am mad about this discrepancy. Previous time I scored 20/41 on verbal and I got a score of 25 back then first 10 5/10. How this shit happens please. Clearly I have performed a lot better this time and the shitty score stays the same. This shitty exam sometimes drives me crazy.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 13 Jun 2014, 15:10
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I Think guessing is a bad idea and planning to guess is more worse
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 21 Jan 2013, 09:28
Great work.

Scenario 1: 7 or 8 correct in first 10 question. Then ,
- how many consecutive wrong answers will not allow to score 90+ %?
- And where it effects the most? For e.g. 5 consecutive wrong between 10 & 20 or 20 & 30 or 30 & 37?

Scenario 2: Does any particular type of question (s) gives us any indication of our performance (during exam)? For e.g. Probability or P&C question
in exam indicates that we have reached 700+ level
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 21 Jan 2013, 09:56
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 22 Jan 2013, 17:15
Gr8 initiative by Bunuel. Interesting stuff!

I feel to get a more realistic assessment that can be close to the test day performance we can test -

scenario 1] 3-4 questions wrong per every 10 questions ie around 12-14 questions wrong out of 37

scenario 2] getting alternate questions wrong (may be 2 correct then 2 wrong and so on..)
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 23 Jan 2013, 13:18
I would love to see the outcome if we answer every other question wrong. Thanks in advance.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 24 Jan 2013, 11:46
Bunuel wrote:
7th scenario: first 10 questions answered correctly, GUESSED the next 9 questions (answered C to all of them, guessed 2 out of 9), then answered the next 9 questions correctly and finally GUESSED the remaining 9 questions (answered C to all of them, guessed 2 out of 9).

So, 23 correct, 14 incorrect.

Result:
Q49, 85th percentile.


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.
One possible scenario to try would be answering alternating set of 5 consecutive questions as right and wrong and see what score you end up with.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 24 Jan 2013, 23:09
Excellent initiative, Bunuel.

It would be interesting to get some insights specifically for the verbal section (3rd post reserved by BB) as that seems to be the Achilles' heel for most non-native test takers.
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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 25 Jan 2013, 10:53
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souvik101990 wrote:
Excellent stuff Vercules :-)
One thing that I needed to clarify
I read in some GMAC blog that RC/SC/CR are separately adaptive.
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] New post 25 Jan 2013, 14:22
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] New post 26 Jan 2013, 22:10
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] New post 28 Jan 2013, 00:10
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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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RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory; 7. Remainders; 8. Overlapping Sets; 9. PDF of Math Book; 10. Remainders; 11. GMAT Prep Software Analysis NEW!!!; 12. SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) NEW!!!; 12. Tricky questions from previous years. NEW!!!;

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PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

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Re: GMAT Prep Software Analysis and What If Scenarios [#permalink] New post 28 Jan 2013, 00:11
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