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experimental questions.

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experimental questions. [#permalink] New post 14 Dec 2009, 19:38
I have reviewed my prior CATs in both MGMAT and GMATprep. I may be getting x% incorrect and that translates into a y as my GMAT score.

I know that there are several experimental questions and do not get counted. I am worried that if x% of the questions are experimental, then my score of y from CATs is significantly over-estimated and not by only 30-50 points.

What am I missing?
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tusharvk

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Re: experimental questions. [#permalink] New post 14 Dec 2009, 19:57
tusharvk wrote:
I have reviewed my prior CATs in both MGMAT and GMATprep. I may be getting x% incorrect and that translates into a y as my GMAT score.

I know that there are several experimental questions and do not get counted. I am worried that if x% of the questions are experimental, then my score of y from CATs is significantly over-estimated and not by only 30-50 points.

What am I missing?


The cat score is not necessarily based on %incorrect.

You can get 20% incorrect on different exams and end up with different scores

You are trying to work in a "range"
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Re: experimental questions. [#permalink] New post 15 Dec 2009, 05:21
Hello tusharvk,

You have no way of knowing what is or what is not an experimental question. That, and there is not "strike rate" or "% correct" needed to get a score. The GMAT is scored by two attributes:
The difficulty of the problem
How consistent the test taker is in correctly answering said difficulty.

My score was +/- 30 points from GMATPrep and MGMAT.

As long as you can control things like test day stress, anxiety during the test, etc. you should score within a narrow window of your practice test scores.

Best of luck,

tusharvk wrote:
I have reviewed my prior CATs in both MGMAT and GMATprep. I may be getting x% incorrect and that translates into a y as my GMAT score.

I know that there are several experimental questions and do not get counted. I am worried that if x% of the questions are experimental, then my score of y from CATs is significantly over-estimated and not by only 30-50 points.

What am I missing?

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Re: experimental questions. [#permalink] New post 16 Dec 2009, 08:34
Hi,

As others have explained, because the GMAT is computer adaptive, it matters less how many you get right or wrong, and more what level the questions were that you got right or wrong. So, if you get a 300 level question right it means less in terms of raising your score than if you get a 700 level question right.

Since the experimental questions on the GMAT don't count, if they ask you an experimental question, your score will stay the same whether you answer it correctly or not.

Therefore, taking into account the 50 point standard deviation on our MGMAT CATs, you should be able to accurately judge your skill level.

You may want to read this article on "How the GMAT Finds Your Score" for more info: http://www.manhattangmat.com/strategy-series-gmat-score.cfm

Best,
Caitlin Clay
Student Services Associate
Manhattan GMAT
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Re: experimental questions.   [#permalink] 16 Dec 2009, 08:34
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