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Flash announcement - GMAC says "IR is important"

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Flash announcement - GMAC says "IR is important" [#permalink] New post 08 Feb 2013, 23:17
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It’s been 6+ months since the launch of Integrated Reasoning section. With scores from 105K+exams, GMAC has enough data to conduct some preliminary analysis to evaluate the value that Integrated Reasoning section adds. Read below for some key takeaways from the reports.


Key takeaways:

1. The correlation of IR with GMAT Total is .55. In other words, Quant, Verbal, and IR are all measuring something related, yet also different.
2. IR score is important because, other things being equal, the test takers demonstrating more skill in this area within each range can be expected to be better students.
3. 85% of current students and alumni find IR skills to be very relevant and useful in the work place. Similarly, nearly all (97%) of the employers surveyed said the skills—such as the ability to integrate, organize, combine, and synthesize information—were important.
4. IR and Admissions: The biggest value is that IR is an additional data point. It assesses information that we don't currently capture in the admissions process. I think it is going to make our process more complete. We're going to be able to make better decisions because we have that additional set of data that is so relevant to what students are going to do in the MBA curriculum, but also in their careers – Quote from Tuck.


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e-GMAT has launched the world’s most comprehensive IR course that contains 35+ concepts, 120+ original questions, and 2 full length IR mock tests. The course allows an average GMAT test taker to master the section in less than 12 hours. Click hereto know more.



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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 09 Feb 2013, 03:41
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 09 Feb 2013, 18:30
carcass wrote:
Good post :)

But they can say whatever they want...........maybe in 2020 could be important IR


can't agree more :)

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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 11 Feb 2013, 14:30
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Till I read this announcement, I was of the same opinion as Sachin and Carcass. However, the findings of this report surprised me (were some sort of an eye opener too). Traditionally, GMAT has served two purposes:

1. It has been taken as a predictor of the student's performance in B-school.
2. It is a symbol of prestige. Schools flaunt their mean and median GMAT scores as a proxy for prestige/selectivity.

Having completed an MBA, I can vouch that the skills tested on the GMAT IR are at least as relevant for B-School (and post B-school) success as the skills tested in the quant and verbal section. The IR skills are probably more important in schools such as Stern, Duke etc. (finance focused schools). The trend with big data will make these skills important again in fields such as Marketing.

Why are GMAC's findings interesting?




Lets understand GMAC's findings. The stats have proven that regardless of your GMAT score, the IR score has a distribution. This probably means that even those who score 750, a good percentage of them (half of them if you go by the stats) do not score well on the IR. Considering that the skills tested on IR are important to academic and professional success, I believe that it is possible that schools will start considering them seriously.

Lets fast forward a few months and go to September'2014 - the year when the first batch that was tested on IR completes their first year. I bet that schools will start taking IR more seriously if GMAC can prove that there is a much higher likelihood that a student with a GMAT score of 650 and with an IR score of 7 or higher is likely to perform better than one with a GMAT score of 700 and an IR score of 6 or lower (Remember IR has low correlation with Quant and Verbal Scores).

So yes, IR may not be as important right now, but it could be very important in a year from now.

-Rajat
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 11 Feb 2013, 21:26
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Really interesting stuff. Thank you for posting, Rajat!

I definitely believed that schools wouldn't care about the IR section for at least another three or four years, but maybe the validity studies will prove IR's value far earlier than I thought. I actually agree that the IR section seems to test more important skills than the rest of the GMAT (data interpretation is far more valuable than number properties or modifier placement, right?), but I figured that b-schools already have plenty of data points on applicants, and the IR data point is unlikely to say anything terribly new about any given candidate.

And it looks like I'll be very wrong about that. Rajat, you're completely correct: if the next batch of studies proves that somebody with a 700 composite and a 5 on the IR performs worse in b-school than a student with a 700 composite and a 7 or 8 on IR, the game will change really quickly.

For whatever it's worth, I'm a little bit skeptical of this first batch of data. Despite GMAC's best marketing efforts, many test-takers aren't taking IR seriously yet, and some well-prepared test-takers (including many of our friends in this forum) are likely to conserve energy on IR, and therefore get a lower IR score relative to their quant and verbal scores. Maybe it's not a large effect, but I wouldn't be surprised if the correlation figures are skewed by the fact that many test-takers refuse to take the IR seriously yet. My bet is that the correlation between IR and quant/verbal scores will slowly inch upward, but not nearly enough to invalidate the IR section.

It will be really interesting to see what happens when GMAC has more complete data over the next year or two. Despite my mild skepticism about this first batch of data, it looks like GMAC is well on its way to proving that the IR section matters, and soon it will just be a question of how long it will take for adcoms to fully embrace the data.
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 11 Feb 2013, 22:26
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@carcass: that was funny :) I do not know about 2020. Maybe to make IR important it has to be a part of the 800 score :)
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 12 Feb 2013, 22:46
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Dear Charles,

Your hypothesis is quite likely. It was difficult for me to fathom that a large # of folks who did well on the Quant and Verbal sections did not do as well on IR. I do believe that the correlation between quant and verbal scores and IR score will increase as well.

On the other hand, one could argue that GMAC may make IR questions more challenging to ensure that a high enough correlation is maintained. Moreover, as schools start considering IR scores, more and more people will take it seriously. Whatever be the case, the next 12 months will be interesting.

-Rajat
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 13 Feb 2013, 04:22
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egmat wrote:
Dear Charles,

Your hypothesis is quite likely. It was difficult for me to fathom that a large # of folks who did well on the Quant and Verbal sections did not do as well on IR. I do believe that the correlation between quant and verbal scores and IR score will increase as well.

On the other hand, one could argue that GMAC may make IR questions more challenging to ensure that a high enough correlation is maintained. Moreover, as schools start considering IR scores, more and more people will take it seriously. Whatever be the case, the next 12 months will be interesting.

-Rajat



I'm probably someone who doesn't help that correlation. I scored 690 (45Q/40V) with an IR of 8.
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 13 Feb 2013, 09:19
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Great post.

But, I have trouble believing that this low correlation between Q/V and IR suggests that the IR is measuring something "valuable" just because it is not strongly correlated with Q/V. My personal opinion is that it's not measuring much at all (note, I got a 7, so I'm not biased). This is not to say that the content or style of the questions is not important, but I don't particularly agree with the format.

Given the high variability (in terms of content and type of question), I can't believe there are only 12 questions in the section! Did no one consider the fact that it's very hard to gauge ability by testing just 12 questions? I think that it would be interesting to measure correlation among re-takes. I personally think that if a person were to take the GMAT multiple times within a short period of time (e.g. no additional prep), that person's IR scores would vary much more wildly (percentile-wise) than his/her Q/V scores. If the GMAC is going to administer a new section that's supposed to measure something valuable, give it a fair shot by making it the same length as Q or V.

If I only had 12 questions to prove myself on Q/V, I'm guessing my score would depend a lot more on the particular questions I got that day, than on my actual ability.
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 14 Feb 2013, 13:44
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Having given the GMAT once, I feel that the actual IR tests a student's ability to smartly draw insights from the given data rather than do number crunching or hard calculations!
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 28 Feb 2013, 09:53
StrivingTurtle wrote:
Having given the GMAT once, I feel that the actual IR tests a student's ability to smartly draw insights from the given data rather than do number crunching or hard calculations!


In all practicality, I do not think anyone is required to interpret so much data (especially multi-source reasoning) and expected to draw correct conclusions in such a short time limit - it does not seem realistic to me. Having said that, I see the introduction of IR by GMAC more as an effort to keep up the repo it has enjoyed for so many years since compared to earlier, more students now score 90% or above. Though you're correct that such questions may actually test the "smart thinking" of a candidate, I think this section of GMAT is still evolving and schools do not know how to percieve it in relation to the candidate's overall score in the standard quant and verbal sections.
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Re: Flash announcement - GMAC says "IR is important" [#permalink] New post 05 Mar 2013, 14:52
In my opinion, the importance of IR, Q and V are in the ratio of 2:5:5 . Now can we say the same about AWA then ? I am not sure.
Re: Flash announcement - GMAC says "IR is important"   [#permalink] 05 Mar 2013, 14:52
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