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Figured out how much each verbal sub-section is worth?

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Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 17 Dec 2017, 12:04
1
Disclaimer: I don't know if someone has already posted something like this but if so feel free to delete this.

So I took the GMATs for the 3rd time yesterday and ended up with the same score of 700 so I'm going to take a break for a while but because I got the same score I figured I would try and figure out how much each subsection of verbal is worth in case that is beneficial to anyone. My official GMAT scores are the following (and for each score I bought the ESR which is where my subsection scores are coming from).

GMAT 1: 700 (45Q 40V)
GMAT 2: 680 (47Q 36V)
GMAT 3: 700 (46Q 40V)

On my 1st GMAT (based on the ESR) I received CR 37, RC 51, SC 38
On my 3nd GMAT (based on the ESR) I received CR 51, RC 39, SC 35
(If only I got could a CR 51 and RC 51 on the same exam :cry: )

I set them equal to each other with CR = X, RC = Y, SC = Z = 1-X-Y
So:
37X + 51Y + 38(1-X-Y) = 51X + 39Y + 35(1-X-Y)
solved for Y and got Y = (17/9)X -(1/3)
plugged everything back in and I got:

CR is worth (57/212) or 26.9% of Verbal
RC is worth (37/212) or 17.5% of Verbal
SC is worth (118/212) or 55.6% of Verbal


I was definitely surprised how much SC was worth.

Anyway, hope this helps for anyone who was curious.
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Figured out how much each verbal sub-section is worth?  [#permalink]

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New post Updated on: 17 Dec 2017, 23:47
1
eton123 wrote:
Disclaimer: I don't know if someone has already posted something like this but if so feel free to delete this.

So I took the GMATs for the 3rd time yesterday and ended up with the same score of 700 so I'm going to take a break for a while but because I got the same score I figured I would try and figure out how much each subsection of verbal is worth in case that is beneficial to anyone. My official GMAT scores are the following (and for each score I bought the ESR which is where my subsection scores are coming from).

GMAT 1: 700 (45Q 40V)
GMAT 2: 680 (47Q 36V)
GMAT 3: 700 (46Q 40V)

On my 1st GMAT (based on the ESR) I received CR 37, RC 51, SC 38
On my 3nd GMAT (based on the ESR) I received CR 51, RC 39, SC 35
(If only I got could a CR 51 and RC 51 on the same exam :cry: )

I set them equal to each other with CR = X, RC = Y, SC = Z = 1-X-Y
So:
37X + 51Y + 38(1-X-Y) = 51X + 39Y + 35(1-X-Y)
solved for Y and got Y = (17/9)X -(1/3)
plugged everything back in and I got:

CR is worth (57/212) or 26.9% of Verbal
RC is worth (37/212) or 17.5% of Verbal
SC is worth (118/212) or 55.6% of Verbal


I was definitely surprised how much SC was worth.

Anyway, hope this helps for anyone who was curious.
Firstly, 700 is a really good score, and I wish you all the best for the admissions process.

A couple of points for this post:

1. I see that you've set up 2 equations to solve for X, Y, and Z. Did you add any other information to this?

2. If you didn't, you'll notice that (CR 0.200, RC 0.044, and SC 0.756), (CR 0.400, RC 0.422, and SC 0.178), (CR 0.340, RC 0.309, and SC 0.351)... all satisfy the equations you've set up. In fact, some (of the infinitely many possible) combinations will lead to negative weights!

The math is not that important though. The most important point here is that the basic assumption that the final score is derived from the subscores is not correct. The GMAT does not even look at question type when it scores a test. Making this approach even more unreliable is the fact that the subscores are included just to help test takers with basic analysis and are not very reliable at all. And to really complicate things, scaled scores usually indicate a range of ability estimates. That is, the first V40 and the second V40 might not indicate the same level of performance :-)

Take a look at this post. It addresses a very similar analysis on the weighting of subscores, though in that case the recommendation (to prioritize RC) actually came from a test prep company.
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Originally posted by AjiteshArun on 17 Dec 2017, 22:24.
Last edited by AjiteshArun on 17 Dec 2017, 23:47, edited 1 time in total.
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Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 17 Dec 2017, 23:11
eton123 wrote:
Disclaimer: I don't know if someone has already posted something like this but if so feel free to delete this.

So I took the GMATs for the 3rd time yesterday and ended up with the same score of 700 so I'm going to take a break for a while but because I got the same score I figured I would try and figure out how much each subsection of verbal is worth in case that is beneficial to anyone. My official GMAT scores are the following (and for each score I bought the ESR which is where my subsection scores are coming from).

GMAT 1: 700 (45Q 40V)
GMAT 2: 680 (47Q 36V)
GMAT 3: 700 (46Q 40V)

On my 1st GMAT (based on the ESR) I received CR 37, RC 51, SC 38
On my 3nd GMAT (based on the ESR) I received CR 51, RC 39, SC 35
(If only I got could a CR 51 and RC 51 on the same exam :cry: )

I set them equal to each other with CR = X, RC = Y, SC = Z = 1-X-Y
So:
37X + 51Y + 38(1-X-Y) = 51X + 39Y + 35(1-X-Y)
solved for Y and got Y = (17/9)X -(1/3)
plugged everything back in and I got:

CR is worth (57/212) or 26.9% of Verbal
RC is worth (37/212) or 17.5% of Verbal
SC is worth (118/212) or 55.6% of Verbal


I was definitely surprised how much SC was worth.

Anyway, hope this helps for anyone who was curious.


If you look at the Extended score report it will give you better answers on this part.
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Joined: 21 Sep 2017
Posts: 9
Location: United States (MA)
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GMAT 1: 700 Q45 V40
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GMAT 3: 700 Q46 V40
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WE: Accounting (Accounting)
Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 18 Dec 2017, 07:08
AjiteshArun wrote:
eton123 wrote:
Disclaimer: I don't know if someone has already posted something like this but if so feel free to delete this.

So I took the GMATs for the 3rd time yesterday and ended up with the same score of 700 so I'm going to take a break for a while but because I got the same score I figured I would try and figure out how much each subsection of verbal is worth in case that is beneficial to anyone. My official GMAT scores are the following (and for each score I bought the ESR which is where my subsection scores are coming from).

GMAT 1: 700 (45Q 40V)
GMAT 2: 680 (47Q 36V)
GMAT 3: 700 (46Q 40V)

On my 1st GMAT (based on the ESR) I received CR 37, RC 51, SC 38
On my 3nd GMAT (based on the ESR) I received CR 51, RC 39, SC 35
(If only I got could a CR 51 and RC 51 on the same exam :cry: )

I set them equal to each other with CR = X, RC = Y, SC = Z = 1-X-Y
So:
37X + 51Y + 38(1-X-Y) = 51X + 39Y + 35(1-X-Y)
solved for Y and got Y = (17/9)X -(1/3)
plugged everything back in and I got:

CR is worth (57/212) or 26.9% of Verbal
RC is worth (37/212) or 17.5% of Verbal
SC is worth (118/212) or 55.6% of Verbal


I was definitely surprised how much SC was worth.

Anyway, hope this helps for anyone who was curious.
Firstly, 700 is a really good score, and I wish you all the best for the admissions process.

A couple of points for this post:

1. I see that you've set up 2 equations to solve for X, Y, and Z. Did you add any other information to this?

2. If you didn't, you'll notice that (CR 0.200, RC 0.044, and SC 0.756), (CR 0.400, RC 0.422, and SC 0.178), (CR 0.340, RC 0.309, and SC 0.351)... all satisfy the equations you've set up. In fact, some (of the infinitely many possible) combinations will lead to negative weights!

The math is not that important though. The most important point here is that the basic assumption that the final score is derived from the subscores is not correct. The GMAT does not even look at question type when it scores a test. Making this approach even more unreliable is the fact that the subscores are included just to help test takers with basic analysis and are not very reliable at all. And to really complicate things, scaled scores usually indicate a range of ability estimates. That is, the first V40 and the second V40 might not indicate the same level of performance :-)

It addresses a very similar analysis on the weighting of subscores, though in that case the recommendation (to prioritize RC) actually came from a test prep company.


1. I didn't add any other info.
2. It seems unlikely that the final score is not made up from the sub-scores, especially since my final Quant scores on all 3 exams has been the average of my sub-scores in those exams.
GMAT 1 - Q45: sub-scores (39,50,44,46) average is 44.75 so rounded to 45
GMAT 2 - Q47: sub-scores (47,47,48,46) average is 47
GMAT 3 - Q46: sub-scores (46,48,45,45) average 46.
This seems unlikely to be a coincidence. I'm not saying I'm correct but it seems like the sub-scores have to affect the final scores in some way.
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Joined: 21 Sep 2017
Posts: 9
Location: United States (MA)
Concentration: Strategy, Finance
GMAT 1: 700 Q45 V40
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GMAT 3: 700 Q46 V40
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WE: Accounting (Accounting)
Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 18 Dec 2017, 07:09
gmat1307 wrote:
eton123 wrote:
Disclaimer: I don't know if someone has already posted something like this but if so feel free to delete this.

So I took the GMATs for the 3rd time yesterday and ended up with the same score of 700 so I'm going to take a break for a while but because I got the same score I figured I would try and figure out how much each subsection of verbal is worth in case that is beneficial to anyone. My official GMAT scores are the following (and for each score I bought the ESR which is where my subsection scores are coming from).

GMAT 1: 700 (45Q 40V)
GMAT 2: 680 (47Q 36V)
GMAT 3: 700 (46Q 40V)

On my 1st GMAT (based on the ESR) I received CR 37, RC 51, SC 38
On my 3nd GMAT (based on the ESR) I received CR 51, RC 39, SC 35
(If only I got could a CR 51 and RC 51 on the same exam :cry: )

I set them equal to each other with CR = X, RC = Y, SC = Z = 1-X-Y
So:
37X + 51Y + 38(1-X-Y) = 51X + 39Y + 35(1-X-Y)
solved for Y and got Y = (17/9)X -(1/3)
plugged everything back in and I got:

CR is worth (57/212) or 26.9% of Verbal
RC is worth (37/212) or 17.5% of Verbal
SC is worth (118/212) or 55.6% of Verbal


I was definitely surprised how much SC was worth.

Anyway, hope this helps for anyone who was curious.


If you look at the Extended score report it will give you better answers on this part.


As I said in my original post I got the info from my ESR . . .
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Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 18 Dec 2017, 08:33
1
eton123 wrote:
1. I didn't add any other info.
2. It seems unlikely that the final score is not made up from the sub-scores, especially since my final Quant scores on all 3 exams has been the average of my sub-scores in those exams.
GMAT 1 - Q45: sub-scores (39,50,44,46) average is 44.75 so rounded to 45
GMAT 2 - Q47: sub-scores (47,47,48,46) average is 47
GMAT 3 - Q46: sub-scores (46,48,45,45) average 46.
This seems unlikely to be a coincidence. I'm not saying I'm correct but it seems like the sub-scores have to affect the final scores in some way.
It's great to see test takers try to understand the why and the how of the GMAT.

In this case, yes, the subscores have some correlation with the final score. However, that doesn't mean that the final score is derived from the subscores. Try a few more ESRs and check how well your weights hold up (attaching an ESR extract below). You might also want to check your calculations (how you got to a unique solution from those 2 equations).
Attachments

File comment: ESR (total 33, CR 40, RC 31, SC 25)
ESR.png
ESR.png [ 178.37 KiB | Viewed 557 times ]


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WE: Accounting (Accounting)
Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 18 Dec 2017, 08:44
AjiteshArun wrote:
eton123 wrote:
1. I didn't add any other info.
2. It seems unlikely that the final score is not made up from the sub-scores, especially since my final Quant scores on all 3 exams has been the average of my sub-scores in those exams.
GMAT 1 - Q45: sub-scores (39,50,44,46) average is 44.75 so rounded to 45
GMAT 2 - Q47: sub-scores (47,47,48,46) average is 47
GMAT 3 - Q46: sub-scores (46,48,45,45) average 46.
This seems unlikely to be a coincidence. I'm not saying I'm correct but it seems like the sub-scores have to affect the final scores in some way.
It's great to see test takers try to understand the why and the how of the GMAT.

In this case, yes, the subscores have some correlation with the final score. However, that doesn't mean that the final score is derived from the subscores. Try a few more ESRs and check how well your weights hold up (attaching an ESR extract below). You might also want to check your calculations (how you got to a unique solution from those 2 equations).


Yeah the ESR you posted doesn't hold up with my weights. It was just weird though because on my exam #2 36V it did hold up with my weights but that must have just been a fluke.
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Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 18 Dec 2017, 10:10
Hi!

If you want to improve your SC, I'd recommend to practice on official questions:

https://gmatclub.com/forum/the-most-com ... 40372.html

along with Ron's videos:
https://gmatclub.com/forum/compiled-thu ... 54538.html

I improved my SC to 95%% :)

Good luck!
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Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 18 Dec 2017, 10:29
Akela wrote:
Hi!

If you want to improve your SC, I'd recommend to practice on official questions:

https://gmatclub.com/forum/the-most-com ... 40372.html

along with Ron's videos:
https://gmatclub.com/forum/compiled-thu ... 54538.html

I improved my SC to 95%% :)

Good luck!


I actually bought the full Manhattan GMAT Prep Package as my study material and although the SC helped a little it didn't do much for me. I've come to the realization that I'm just an idiot when it comes to grammar :lol: . I'll probably end up getting a private tutor for a couple sessions to help me because on all 3 exams SC is my overall weak point and is what's holding me back from getting a 710-720.
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Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 18 Dec 2017, 20:36
eton123 wrote:
I actually bought the full Manhattan GMAT Prep Package as my study material and although the SC helped a little it didn't do much for me. I've come to the realization that I'm just an idiot when it comes to grammar :lol: . I'll probably end up getting a private tutor for a couple sessions to help me because on all 3 exams SC is my overall weak point and is what's holding me back from getting a 710-720.
That could be because your SC (38) is already very good. Work on your quant as well. That should get you to 730-740.

But why are you thinking about taking the GMAT again? Do you think a 700 is below what your schools expect?
_________________

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Joined: 21 Sep 2017
Posts: 9
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GMAT 1: 700 Q45 V40
GMAT 2: 680 Q47 V36
GMAT 3: 700 Q46 V40
GPA: 3.53
WE: Accounting (Accounting)
Re: Figured out how much each verbal sub-section is worth?  [#permalink]

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New post 19 Dec 2017, 12:28
AjiteshArun wrote:
eton123 wrote:
I actually bought the full Manhattan GMAT Prep Package as my study material and although the SC helped a little it didn't do much for me. I've come to the realization that I'm just an idiot when it comes to grammar :lol: . I'll probably end up getting a private tutor for a couple sessions to help me because on all 3 exams SC is my overall weak point and is what's holding me back from getting a 710-720.
That could be because your SC (38) is already very good. Work on your quant as well. That should get you to 730-740.

But why are you thinking about taking the GMAT again? Do you think a 700 is below what your schools expect?


The 38 on my 1st exam was partially a fluke and partially because I took my first exam 3 weeks after finishing the MGMAT lessons so everything was still fresh. On my 2nd and 3rd exam I scored a 35 on SC which is definitely more inline with my current SC skills. Yeah I do need to work a little more on Quant so I can consistently score 47/48 but I know I can do that on my own with just a little more effort. SC I legitimately need help with though. I honestly feel like I went through my entire academic life without ever learning proper grammar, sentence structure, etc which is actually pretty sad.

Yeah the schools I want to get into almost all have averages and medians above 710. I live in Cambridge (20 min walk to MIT and 10 min walk to Harvard) and although I absolutely do not think I'd get into either of those schools I was still hoping to stay in the Northeast or Mid-Atlantic which for the most part is where the best schools are. So looks like I'm taking the GMATs for a 4th time. I canceled my 2nd score though so my score report will only show 3 tests after I take the exam again.
Re: Figured out how much each verbal sub-section is worth? &nbs [#permalink] 19 Dec 2017, 12:28
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