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kunal_raizada
Joined: 05 Dec 2016
Last visit: 03 Dec 2024
Posts: 65
Own Kudos:
Given Kudos: 15
Location: India
Schools: Simon '22 (S) Rotman '22 (S) Madison '22 (A$)
GMAT 1: 710 Q51 V34
GPA: 3
25 Sep 2018, 03:14
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Need some clarification on scoring. Where ever i have verified i learnt that V34 Q51 will convert to 690 only.
But, as per my GMAC Mock Test, once i got 710 for V33 Q51 and the other time it was 700 for V33 Q50.
Could it be possible that IR score makes a difference?
Since, during 710 score i had IR of 7 and for 700 score i had IR of 5.
But, as per my GMAC Mock Test, once i got 710 for V33 Q51 and the other time it was 700 for V33 Q50.
Could it be possible that IR score makes a difference?
Since, during 710 score i had IR of 7 and for 700 score i had IR of 5.
25 Sep 2018, 03:39
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kunal_raizada
No, IR makes no difference to your total score, and it is not true that Q51 V34 will always lead to a 690. In fact, it should normally be 700 or 710. Regardless, the differences that you see are due to the way the GMAT calculates and reports scores.
1. The GMAT generates a score at the end of both the quantitative and verbal sections. These scores are on a continuous scale.
2. These scores are mapped onto an internal scale. Let's call these scores "internal scores".
3. These internal scores are combined to arrive at a total (internal) score.
4. All these scores are then converted to the scaled scores that are exposed to the test taker (6 to 51 for quant and verbal, and 200-800 for the total).
The internal scales are slightly more accurate than the ones exposed to you. For example, let's say two people got a Q49 each. Now, a Q49 could indicate a performance level anywhere between 74% and 85% (Q50 is 85%), so it's entirely possible that one of them got a "low" Q49 and the other got a "high" Q49. This is the reason that you don't always see the same total for the same score combinations.
25 Sep 2018, 04:52
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kunal_raizada
IR is scored separately and has no role to play in your score out of 800.
Here are some key points from a post of ours which explains how the GMAT scoring engine works:
- The 200-800 score is the final report, sent to schools to stay consistent with the old paper-and-pencil (pre-1997) test scoring system, but the scoring algorithm used in the computer uses its own system and just converts the 0-60 and 200-800 values over as that last step in reporting.
- Each scaled score has a corresponding “interim range” (or, actually, the interim range is what the computer first gives you before converting to a scaled score) which spans 2-3 numerical values, so your 50 on Quant might correspond to a range of 60-62 on that GMAT computer scale (again, the computer uses its own numbers that are more consistent with how the CAT algorithm scores you, then the system converts to the familiar display numbers). Those interim scores for Quant and verbal are then combined and your “interim sum” (which now may span 5-6 potential values since you’re adding two ranges together) is then converted to your 200-800 score.
- So not all 49s (scaled score) are created equal — your 49 might be a “high 49” (at the higher end of the interim range of scores and someone else’s might be a “low 49.” When the computer uses its interim value, if you have a high/high split of interim values for the same Q/V scaled scores and someone else has a low/low split on theirs, your 49/39 might be a 730 and theirs a 710. The 3-digit 200-800 score is valid — it’s just that you don’t see the full process that goes into calculating it.
So as an example (courtesy Dr. Rudner’s presentation), if you have a 50Q/31V, that has a potential range of:
– Quant: 51 scaled –> 60-62 interim range (you could be a 60 or a 62 and still end up at 51 scaled)
– Verbal: 31 scaled –> 42-43 interim range
Total: 102 – 105 on the interim scale, on which 102 would correspond to a 670 and 105 would correspond to a 690. So the same two scaled scores could swing 20 points either way on the overall score, and that’s because the overall score is calculated using the computer’s numbers, not your score report numbers.
Check out the complete post here: https://www.gmatclub.com/forum/veritas-prep-resource-links-no-longer-available-399979.html#/2011/1 ... gine-work/
