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08 May 2006, 03:56
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[quote="chiragr"]Naïve perhaps not so Naïve
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I strongly believe that concentration of experimental question should be lowest in initial few questions followed by last few and concentration should be heavier in middle section, why?
Think about person who is developing this algorithm!
He has tough job to do, he needs to
A) Accurately find real caliber of candidate
B) Also accurately judge level of experimental questions
(People who don’t know about judging level of questions visit…
https://www.manhattangmat.com/verbal4.cfm )
So now big question for his is how to intermingle experimental questions with real question? Simply he can equally spread this question across the test, but there may be a problem with this approach!
Initially he does not really know what is caliber of the candidate. So he has no idea which question to throw! Lets say if he gives 400 level experimental question to a person with 800 caliber that guy is going to solve it in few second giving him unfair time advantage. And if he throws 700 level experimental question to a 400 level candidate that poor guy will struggle and off course it will be unfair to the candidate.
So algorithm developer has no choice but to wait for some question still he has some idea about candidate.
Now let’s analyze what happens if algorithm developer gives last few questions as experimental questions! Simple, lot of people are just going to guess it! And that’s not what he wants! If people guess he will never know exact caliber of that questions! More over he needs to exactly know who reached last question in time or not, for example is last question is experimental how can he differentiate between candidate who reached last question and solved it rather than just guessed it!
So conclusively best place to throw experimental questions are middle section, now how do I define middle section! At present I don’t know, I would guess it’s very crucial to do first 10-15 question appropriately and also solve last few may be 5-10!
Some other anecdotal evidence for about above theory!
A) Read previous message, ETS emphasis that first few questions are used to acquire initial estimate of candidate’s caliber. And it also gives example where a person who went from 91% to 77% when he guessed it!
B) Lot of Test Companies are emphasizing on solving initial few questions carefully! When Kaplan and PR is writing something there might be some logic or anecdotal results behind this.
C) If you read briefing of some GMAT taker few suspects that guessing last few questions may have reduced their score!
So all above logic warrant conclusion that “concentrate on first few questions, speed up and finish last few questionsâ€
--------------------------------
I strongly believe that concentration of experimental question should be lowest in initial few questions followed by last few and concentration should be heavier in middle section, why?
Think about person who is developing this algorithm!
He has tough job to do, he needs to
A) Accurately find real caliber of candidate
B) Also accurately judge level of experimental questions
(People who don’t know about judging level of questions visit…
https://www.manhattangmat.com/verbal4.cfm )
So now big question for his is how to intermingle experimental questions with real question? Simply he can equally spread this question across the test, but there may be a problem with this approach!
Initially he does not really know what is caliber of the candidate. So he has no idea which question to throw! Lets say if he gives 400 level experimental question to a person with 800 caliber that guy is going to solve it in few second giving him unfair time advantage. And if he throws 700 level experimental question to a 400 level candidate that poor guy will struggle and off course it will be unfair to the candidate.
So algorithm developer has no choice but to wait for some question still he has some idea about candidate.
Now let’s analyze what happens if algorithm developer gives last few questions as experimental questions! Simple, lot of people are just going to guess it! And that’s not what he wants! If people guess he will never know exact caliber of that questions! More over he needs to exactly know who reached last question in time or not, for example is last question is experimental how can he differentiate between candidate who reached last question and solved it rather than just guessed it!
So conclusively best place to throw experimental questions are middle section, now how do I define middle section! At present I don’t know, I would guess it’s very crucial to do first 10-15 question appropriately and also solve last few may be 5-10!
Some other anecdotal evidence for about above theory!
A) Read previous message, ETS emphasis that first few questions are used to acquire initial estimate of candidate’s caliber. And it also gives example where a person who went from 91% to 77% when he guessed it!
B) Lot of Test Companies are emphasizing on solving initial few questions carefully! When Kaplan and PR is writing something there might be some logic or anecdotal results behind this.
C) If you read briefing of some GMAT taker few suspects that guessing last few questions may have reduced their score!
So all above logic warrant conclusion that “concentrate on first few questions, speed up and finish last few questionsâ€
08 May 2006, 06:31
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Bookmarks
Good job of analysis there.. But I am not sure how to define the middle section..
Also I am assuming you forming this strategy only for Verbal? Or do you expect the same is used for Quant too?
Also I am assuming you forming this strategy only for Verbal? Or do you expect the same is used for Quant too?
