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Conclusions from GMAT algorithm study based on ESR analyses

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Re: Conclusions from GMAT algorithm study based on ESR analyses  [#permalink]

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New post 29 Oct 2017, 07:56
bump. Does anyone know the subsection scores for verbal and how they correspond to verbal?

E.g. 51 on RC is a 95%.
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Re: Conclusions from GMAT algorithm study based on ESR analyses  [#permalink]

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New post 29 Dec 2017, 14:02
HiLine wrote:

5. Impact of number of questions wrong on scores



These are the rough ranges for the number of questions people have got wrong to achieve a certain score:

Q51: 0-2
Q50: 2-6
Q49: 4-8
Q48: 6-9
Q47: 7-11
Q46: 9-10
Q45: 10-11

Keep in mind that these are out of the 30 Quant questions that count

V50: 0
V48: 1
V47: 2
V46: 3
V44: 3-5
V42: 4-5
V41: 4-6
V40: 7
V38: 8-11
V37: 8-10
V36: 8-10
V35: 9-12
V34: 7-11

Keep in mind that these are out of the 28 Verbal questions that count


Updated. Thanks to everyone who contributed their ESR's!
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New post 29 Dec 2017, 14:03
1
brandon7 wrote:

Thank you for the analysis. Could you clarify how you know the subsection scores? I see percentiles, but not the scores themselves. E.g it'l say you got a 93% in RC, but not a corresponding 40/41 (or whatever number).

Do you know what percentiles correspond to each score? Thanks.


You are welcome. The report includes this information in the big blue boxes titled "Summary".
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Conclusions from GMAT algorithm study based on ESR analyses  [#permalink]

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New post Updated on: 20 May 2018, 19:32
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HiLine wrote:

5. Impact of number of questions wrong on scores



These are the rough ranges for the number of questions people have got wrong to achieve a certain score:

Q51: 0-2
Q50: 1-6
Q49: 4-8
Q48: 6-9
Q47: 7-11
Q46: 9-10
Q45: 10-11

Keep in mind that these are out of the 30 Quant questions that count

V50: 0
V48: 1
V47: 2
V46: 2-3
V44: 3-5
V42: 4-5
V41: 4-6
V40: 7
V38: 8-11
V37: 8-10
V36: 8-10
V35: 9-12
V34: 7-11

Keep in mind that these are out of the 28 Verbal questions that count

HiLine, Could you please modify the above table? I've seen examples of a V41 and V40 with as many as 10 wrong.

The Quant tables need to modified significantly as well, in particular on the low end of the range. I have seen scores as low as Q42, for example, with only 9 questions wrong.

Thanks,
-Brian
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One of the only known humans to have taken the GMAT 5 times and scored in the 700s every time (700, 710, 730, 750, 770), including verified section scores of Q50 / V47, as well as personal bests of 8/8 IR (2 times), 6/6 AWA (4 times), 50/51Q and 48/51V (1 question wrong).

You can download my official test-taker score report (all scores within the last 5 years) directly from the Pearson Vue website: https://tinyurl.com/y94hlarr Date of Birth: 09 December 1979.

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Originally posted by mcelroytutoring on 25 Apr 2018, 16:47.
Last edited by mcelroytutoring on 20 May 2018, 19:32, edited 1 time in total.
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New post 20 May 2018, 16:09
mcelroytutoring wrote:
HiLine wrote:

5. Impact of number of questions wrong on scores



These are the rough ranges for the number of questions people have got wrong to achieve a certain score:

Q51: 0-2
Q50: 1-6
Q49: 4-8
Q48: 6-9
Q47: 7-11
Q46: 9-10
Q45: 10-11

Keep in mind that these are out of the 30 Quant questions that count

V50: 0
V48: 1
V47: 2
V46: 2-3
V44: 3-5
V42: 4-5
V41: 4-6
V40: 7
V38: 8-11
V37: 8-10
V36: 8-10
V35: 9-12
V34: 7-11

Keep in mind that these are out of the 28 Verbal questions that count

HiLine, Could you please modify the above table? I've seen examples of a V41 and V40 with as many as 10 wrong.

The Quant tables need to modified significantly as well. I have seen scores as low as Q42, for example, with only 9 questions wrong.

Thanks,
-Brian


Brian, thanks for bringing these examples to my attention. I have indeed seen V40 for 9 questions wrong and have incorporated this data point into the table. The V41 score, isn't it for the new format? I am hesitant to mix the two formats together. As for the Quant part, I decided to set the score cutoff at 45 because that is already at the 60th percentile with about 10 wrong questions. Once we go down past this point the variation is so great that it is a futile exercise to report all the possibilities.
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Conclusions from GMAT algorithm study based on ESR analyses  [#permalink]

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New post 20 May 2018, 18:23
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HiLine wrote:
Brian, thanks for bringing these examples to my attention. I have indeed seen V40 for 9 questions wrong and have incorporated this data point into the table. The V41 score, isn't it for the new format? I am hesitant to mix the two formats together. As for the Quant part, I decided to set the score cutoff at 45 because that is already at the 60th percentile with about 10 wrong questions. Once we go down past this point the variation is so great that it is a futile exercise to report all the possibilities.

Sure, I understand not wanting to go below Q45 for practical reasons, but if you can score Q42 with only 9 questions wrong, then the low cutoff for Q45 must be even lower than currently indicated (6 or 7 wrong, for example, instead of the listed 10).

I understand that this is just conjecture until we collect more ESR data. However, in general it's safe to assume that the lower the score, the wider the range of potential questions wrong, which suggests that the ranges should be getting larger (not smaller) as section scores decrease, not the other way around.

In other words, it doesn't make sense for Q50 to have a wide range of 1-6 questions wrong, for example, while Q45 would have a narrow range of only 10-11 questions wrong. I would guess that in reality the range of Q45 is more like 6-12 questions wrong.

-Brian
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Harvard grad and 99% GMAT scorer, offering expert, private GMAT tutoring and coaching, both in-person (San Diego, CA, USA) and online worldwide, since 2002.

One of the only known humans to have taken the GMAT 5 times and scored in the 700s every time (700, 710, 730, 750, 770), including verified section scores of Q50 / V47, as well as personal bests of 8/8 IR (2 times), 6/6 AWA (4 times), 50/51Q and 48/51V (1 question wrong).

You can download my official test-taker score report (all scores within the last 5 years) directly from the Pearson Vue website: https://tinyurl.com/y94hlarr Date of Birth: 09 December 1979.

GMAT Action Plan and Free E-Book - McElroy Tutoring

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Conclusions from GMAT algorithm study based on ESR analyses  [#permalink]

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New post 27 May 2018, 20:15
Hi mcelroytutoring

Can you please tell me what is the number of Question that could go wrong to get a 50-51 in Quant and 41-42 in Verbal in the new GMAT format.

Thanks!


mcelroytutoring wrote:
HiLine wrote:
Brian, thanks for bringing these examples to my attention. I have indeed seen V40 for 9 questions wrong and have incorporated this data point into the table. The V41 score, isn't it for the new format? I am hesitant to mix the two formats together. As for the Quant part, I decided to set the score cutoff at 45 because that is already at the 60th percentile with about 10 wrong questions. Once we go down past this point the variation is so great that it is a futile exercise to report all the possibilities.

Sure, I understand not wanting to go below Q45 for practical reasons, but if you can score Q42 with only 9 questions wrong, then the low cutoff for Q45 must be even lower than currently indicated (6 or 7 wrong, for example, instead of the listed 10).

I understand that this is just conjecture until we collect more ESR data. However, in general it's safe to assume that the lower the score, the wider the range of potential questions wrong, which suggests that the ranges should be getting larger (not smaller) as section scores decrease, not the other way around.

In other words, it doesn't make sense for Q50 to have a wide range of 1-6 questions wrong, for example, while Q45 would have a narrow range of only 10-11 questions wrong. I would guess that in reality the range of Q45 is more like 6-12 questions wrong.

-Brian

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Regards,
Adi

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Conclusions from GMAT algorithm study based on ESR analyses  [#permalink]

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New post 28 May 2018, 07:32
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Adi93 wrote:
Hi mcelroytutoring

Can you please tell me what is the number of Question that could go wrong to get a 50-51 in Quant and 41-42 in Verbal in the new GMAT format.

Thanks!

Hi Adi93,

Sure.

51Q: 0-2 wrong out of the 28 counted questions.
50Q: 1-6 wrong

41-42V: about 4-6 wrong out of the 30 counted questions.

-Brian
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Harvard grad and 99% GMAT scorer, offering expert, private GMAT tutoring and coaching, both in-person (San Diego, CA, USA) and online worldwide, since 2002.

One of the only known humans to have taken the GMAT 5 times and scored in the 700s every time (700, 710, 730, 750, 770), including verified section scores of Q50 / V47, as well as personal bests of 8/8 IR (2 times), 6/6 AWA (4 times), 50/51Q and 48/51V (1 question wrong).

You can download my official test-taker score report (all scores within the last 5 years) directly from the Pearson Vue website: https://tinyurl.com/y94hlarr Date of Birth: 09 December 1979.

GMAT Action Plan and Free E-Book - McElroy Tutoring

Contact: mcelroy@post.harvard.edu

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Conclusions from GMAT algorithm study based on ESR analyses  [#permalink]

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New post 05 Jun 2018, 11:47
1
HiLine wrote:

5. Impact of number of questions wrong on scores



These are the rough ranges for the number of questions people have got wrong to achieve a certain score:

Q51: 0-2
Q50: 1-6
Q49: 4-8
Q48: 6-9
Q47: 7-11
Q46: 9-10
Q45: 10-11

Keep in mind that these are out of the 30 Quant questions that count

V50: 0
V48: 1
V47: 2
V46: 2-3
V44: 3-5
V42: 4-5
V41: 4-6
V40: 7-10
V38: 8-11
V37: 8-10
V36: 8-10
V35: 9-12
V34: 7-11

Keep in mind that these are out of the 28 Verbal questions that count



HiLine
I think the statements should be :

Keep in mind that these are out of the 28 Quant questions that count

Keep in mind that these are out of the 30 Verbal questions that count
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Kindly press the +1Kudos if you like the explanation. Thanks a lot!!!

Conclusions from GMAT algorithm study based on ESR analyses &nbs [#permalink] 05 Jun 2018, 11:47

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