Accuracy Of Veritas Mocks

Question

Hi 
I purchased the Veritas Mocks a few months backs 
so far i have done 3 mocks and my score are as follows

Test 1 Q49 V 34
Test 2 Q48 V 33
Test 3 Q48 V 29

Is the Veritas Mocks Score Similar to what i will actually get on the Gmat Or does it show inflated Score because my Verbal score accuracy for the first 2 tests was
around 50 percent for RC.

Thanks

Chethan92 · Answer

Hi rohan911 , you can find more about the veritas CATs here. https://gmatclub.com/reviews/tests-veri ... -345345671 Posted from my mobile device

EMPOWERgmatRichC · Answer

Hi rohan911,

To start, the scoring algorithm on the Official GMAT is far more complicated than most people realize. Since that algorithm is proprietary, no GMAT company has an exact match for it, thus CAT scores can vary a bit based on the 'biases' involved in their respective designs. The most realistic CATs available are the 6 from GMAC, but the CATs from Kaplan, MGMAT and Veritas are all 'close enough' to the real thing that they will provide you with a relatively realistic score assessment (assuming that you correctly take the CAT in a realistic fashion). To answer your immediate question though: Yes - you could still score in the low-V30s while scoring the 50th percentile (or correctly answering 50% of the questions) in RC.

There are a variety of factors that can influence YOUR performance on a Test (including the time that you start the Exam, how well-rested you are, the order in which you take the sections, how realistic the testing environment is, etc.), so you have to consider how well you are accounting for those variables.

Before I can offer you the specific advice that you’re looking for, it would help if you could provide a bit more information on how you've been studying and your goals:

Studies:
1) How long have you studied? How many hours do you typically study each week?
2) What study materials have you used so far?
3) On what dates did you take EACH of your CATs/mocks and how did you score on EACH (including the Quant and Verbal Scaled Scores for EACH)?

Goals:
4) What is your overall goal score?
5) When are you planning to take the GMAT?
6) When are you planning to apply to Business School?
7) What Schools are you planning to apply to?

GMAT assassins aren't born, they're made,
Rich

rohan911 · Answer

EMPOWERgmatRichC

HI

I will answer each question individually
1)How long have you studied? How many hours do you typically study each week?

I have been studying for over a year. In one day i study between 5-7 hours.I take a one day break every week to not saturate my mind.When i first started preparing for gmat my score was in the 400-450 range. I gave the Gmat in May 2019 and got a 520 Q 45 V17.

2) What study materials have you used so far?

For Quant and Verbal I have been solving Gmat Cub questions after my first attempt. So far i may have done around 18000 questions or so for both Quant and Verbal. Practicing Questions has really helped me 
Before that i studied from the following sources
SC-egmat 
CR-Manhattan 
RC-Manhattan 
I have taken private coaching as well for verbal.It helped me improve my Verbal SC and CR. RC I feel is about practice

3) On what dates did you take EACH of your CATs/mocks and how did you score on EACH (including the Quant and Verbal Scaled Scores for EACH)?

So far i have achieved the following scores 
GMAT Prep 1-560 Q47 V 20 (Gave in May 2019)
GMAT Prep 2-570 Q45 V 23 (Gave in May 2019)
GMAT Prep 3-700 Q49 V 35 ( I feel the verbal score is little inflated because i had done the questions before) I think the actual score would have been in the 650-660 range I Gave this yesterday
GMAT Prep 4-620 Q 49 V 26 i gave this mock a month back 
Veristas-
Test 1 Q49 V 34
Test 2 Q48 V 33
Test 3 Q48 V 29
Test4- Q48 V 34
I gave 2 mocks yesterday Veristas Test 4 and Gmat Prep-3

4) What is your overall goal score?
Right now I am targeting a score above 650

5) When are you planning to take the GMAT?
I have the exam on 28th January

6)When are you planning to apply to Business School?
I am planning to apply in the colleges this year

7))What Schools are you planning to apply to?
ISB
ESSEC
EDHEC 
SDA Bocconi
Rotman
CASS
Erasmus

EMPOWERgmatRichC · Answer

Hi rohan911,

Each CAT is really a 'measuring device' - when used correctly, it will give you a realistic score and help define your strengths and weaknesses, but it will NOT help you to fix any of those weaknesses. To raise your scores, you have to learn the necessary Tactics and put in the proper practice and repetitions. The CAT will show you whether your studies are helping you to improve or not. As such, you really shouldn't take more than 1 FULL CAT per week.

Assuming that you took your recent CATs in a realistic fashion that matches what you will face on the Official GMAT, you appear to have the necessary knowledge and skills to hit your Score Goal. Just to confirm - have you taken any of those Veritas CATs before (or have you seen any of the questions before - for example, in the forums here at GMATClub)?

GMAT assassins aren't born, they're made,
Rich

rohan911 · Answer

EMPOWERgmatRichC

Hi

No I have not taken the veristas mocks before.

EMPOWERgmatRichC · Answer

Hi rohan911,

Assuming that you took these recent CATs in a way that mirrors what you face when you take the Official GMAT, then we can assume that these results are a reasonably accurate assessment of your current 'ability level.'

To continue honing your skills - and potentially score higher - some review is warranted. "Review" is an exceptionally important part of the GMAT training process; your ability to define WHY you're getting questions wrong is essential to defining the areas that you need to work on (and the specific things that you need to 'fix'). As such, I'd like to know a bit more about your last Veritas CAT. While a full Mistake Tracker would provide a lot more information, there are some basic questions that you should be able to answer (and the more EXACT you can be with your answers, the better):

After reviewing each section of this recent CAT, how many questions did you get wrong....
1) Because of a silly/little mistake?
2) Because there was some math/verbal that you just could not remember how to do?
3) Because the question was too hard?
4) Because you were low on time and had to guess?
5) How many Verbal questions did you 'narrow down to 2 choices' but still get wrong?

GMAT assassins aren't born, they're made,
Rich

Lakshyamanchester · Answer

I have read about them, and they claimed to be as close as possible.

Posted from my mobile device

VeritasPrepBrian · Answer

Good question, and as one of the people who was heavily involved in the creation/calibration of the Veritas Prep tests I can chime in with some notes on how we created them and why we're proud of / confident in their accuracy.

For quite a while (dating back to when practice tests were either pencil-and-paper or CD-ROM...bonus points if this is the first time you've thought about CD-ROM in the 2020s!) we, like others, were using third-party CATs that were "adaptive" but really primitively so - if you got it right you'd get a "harder" question (often based on the test creator's opinion of difficulty), if you got it wrong you'd get an "easier" question, and scoring was kind of educated guesswork. And honestly they weren't terrible, but the error margin was pretty big so it could be tough to follow trends in scores or really pinpoint "are you poised to score in the high 600s vs. the low 600s" type preparedness.

So we put together a pretty big initiative to create our own tests administered and scored using Item Response Theory, the adaptive framework behind the official GMAT, and we were fortunate to have a relationship with the recently-retired Chief Psychometrician from GMAC (Dr. Rudner) to help us ensure that we were deploying IRT properly, that our data was valid/reliable, etc. So I can tell you that the Veritas tests:

-Use Item Response Theory to both deliver questions adaptively and score test sections in the same fashion as the official GMAT.

-Draw from a pool of thousands of questions, all validated using real user data (we're over 100 million user responses now) the way that official GMAT questions are validated. The Veritas Prep Question Bank started as a way to get user data on our questions; now all new questions are validated using unscored, experimental slots in the tests just like GMAC does.

-Use IRT data to identify potentially ambiguous or flawed questions (again, just like GMAC does - the adaptive metrics can signal questions where, for example, high ability users get the question wrong much more frequently than you'd predict based on how medium-ability users do, and that will flag a question to be investigated).

-Generate "error margin" reports for each test and flag scores that fall outside the tolerable range prescribed to us by Dr. Rudner (a pretty rare occurrence nowadays)

And then here's the tricky part I think for any third-party test prep company - our IRT system assigns its intermediate scores (theta values) by comparing performances of Veritas users...but of course our distribution of users isn't the exact same as the official GMAT's pool of users. So to convert from your theta scores to official GMAT scores, we enlisted Dr. Rudner (again formerly of GMAC, the guy who was in charge of the official scoring algorithm) to build a data model to convert our theta scores to the scales scores (6-51) and overall scores (200-800) that show up when you finish a Veritas test.

So...we're pretty confident that these tests score as accurately as possible, but as with any IRT test there's an error margin (IRT's scoring system is essentially a probability-based calculation of "what is this user's most likely score?" so there's always a bit of wiggle room...GMAC says that its error margin is +/- 30 points and we're confident that ours is very similar).

One other thing I'd note on our tests is that because our pool of users skews higher-ability than the official GMAT's (I'd love to say it's because they've taken our classes, and there's probably some of that, but it's more a selection set thing - people who take multiple practice tests tend to be higher-ability just because they're the kind of people who are actively studying for the GMAT), Quant scores in the 49-51 range can often be accompanied by a "harder path" to that score than the real test will give you. That's because our bell curve skews to the right of the real thing, so if you're all the way to the right tail, our IRT algorithm can try to differentiate between folks who have Q50+ ability because for our bell curve that seems like a meaningful differentiation, whereas on the official test it's less so. So it's not all the time, but the one quirk I've seen occur fairly regularly on our tests is that you can get even 7-8 questions wrong and still score a 50 or 51, because our IRT system has already identified that you've hit that level of proficiency, but it thinks it should be trying to differentiate even more granularly between you and others at that level. In those cases we're still really confident about the score, but the experience skews a little harder.

(And if you're asking "hey if that's a known issue, why don't you fix it?" --> we decided long ago that when in doubt, trust the IRT system...the more we try to override it the more we risk screwing with our "true north" which is scoring accuracy)

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