Powerprep score correct?

Question

Folks,
I just completed the first test on powerprep and scored 680.
However, I got 12 incorrect out of 37 in the quant and 20 wrong out of 41 in the verbal.

Is this score of 680 right when I got that many wrong?

shiboni · Answer

seems strange doesn't it? but ya it probably is right. I got something similar when I took mine. 730 both times and got a 740 on the actual. Quant on the second test was a 48 with 12 wrong. Quant on the real test - 49. The PowerPrep is VERY similar to the actual test. The question is where you got the problems wrong, towards the end the questions are worth less, so it is indeed possible.

Zagros · Answer

Hey shiboni, glad to hear you did that good on the actual test. I'd love to get anything over 700. 

So my experience with GMATprep has been that first test I posted about. 

I gave the second one a couple days ago and I got 
Quant: 21 right out of 37
Verb: 27 right out of 41 
Overall score was 670

I did notice that I was getting good streaks at the beginning and then towards the end making more mistakes.

I also gave the free princeton review test this morning.
Quant: 10 wrong out of 37
Verbal: 8 wrong out of 33
Overall it scored me 630

It is good to know that the GMATprep is probably the closest to the actual test.

Thanks for your input.

karlfurt · Answer

I took the test too and scored as following:

quant : 13 wrong Q=44
verbal : 19 wrong V=27

The overall score was 590.

I dont understand this result if I compare with yours... Can someone explain the difference?
My second question is how Q and V are computed?

Thanks

Zagros · Answer

Karlfurt,

One thing you must keep in mind is that the test is suppose to be adaptive. Therefore the number of wrong is not what is important. Rather which questions you got right is what is important.

So that may be what the difference is.

karlfurt · Answer

That's an important information I learn now!
I thought all these tests were regular ones, only the real one would be CAT.

If I had known that, may be I would have spent more time on hard questions instead of skipping them...
Whatever, I still have to train further. :shock:

karlfurt · Answer

That makes me raise other questions:

The former ETS Gmat test tool was CAT as well?
The tests on Kaplan 2003 are also CAT?
More generally computer tests like Princeton, 800 etc are all CAT?

And finally, my log book I ve done for the PowerPrep wont be very helpuf for the next time, since probably the questions will appear in another order... How do you deal with that?
As a consequence, more questions than 37+41 are saved in the tool, aren't they?

NTLancer · Answer

Yes Kaplan tests are also CAT â€¦ however you must understand that the algorithm they use is slightly different from the real thing. Thus, your scores will not be a direct representation of how you would have done on the real gmat with the same type of questions â€¦ however they are still a good estimate.

am100 · Answer

Folks, I have a similar experience. Took first GMATPrep test yesterday and scored as follows

Total 690
Q 49
V35

I got 14 questions incorrect in Quant, six of which were in the first 15 questions. I do know that the GMATPrep is a CAT, then how did it score me as 49 on Quant if I had that many incorrect in the first 15 questions.

In the Verbal section, I got 12 incorrect.

Any explanations from anybody?

drummond · Answer

You must have finished well, is all I can think. It's not impossible!

eleni24 · Answer

I think that there's something wrong with gmatprep...
I scored 700 (Q45,V40) with 18 wrong in quant and 10 wrong in verbal.
I had 5 wrong answers in the quant in the first 10 questions (I even had the first one wrong!). During the quant section I was feeling that I was doing really poor...I was confident for only 6 or 7 questions! How can I end up with a 45? On the other hand, in the verbal section I had remarkably fewer incorrect answers and all of them were after the 10th question...Is it normal to have a lower score in verbal?
In addition, while I was checking my mistakes something happened and it erased everything and it replaced my answers with its own, and it also changed some questions completely..It started to flash and then I couldn't backup...
I believe that this version has problems and it is not accurate..


ps: Does gmatprep show the solutions of the questions? My version only shows the correct answer, but I'm pretty sure that powerprep had also
all the solutions...

Rocky · Answer

Hi All,

I also had the same experience.
The test result was like this:

correct Incorrect Score
Quant 26 11 49

Verbal 27 14 36

Total 700.............

May be the questions that I got wrong were the test Question that do not count in the final score....

But if there is something wrong in the softwar that will be disaster as i would think that as i am getting 700 in the test that simulates most closely to real test I am ready for test. And if GMAT Prep has error in it, it will cost me $250 + low moral + extra time to prepare again for test

:(

NTLancer · Answer

Iâ€™m not sure why everyone is trying to guess around this subject... even Kaplan cant get the exact algorithm of the GMAT...i almost feel this is a waste of time. All we know is that GMAT Prep is like the real test with the same algorithm ... be happy with your score and continue to study hard ! The point is to do well on the GMAT not to crack the GMAC algorithm

rhyme · Answer

The GMAT algo is a bell curve algo. It takes the sum of the bell curves of the questions you got right + the inverse of the ones you got wrong. There's some paper out there (the name escapes me) that discusses it. The paper also, interestingly enough, argues, and proves with some pretty convincing evidence, that the first question is NOT worth more than the last question - because of the fact that each question is treated individually and the sum of the bell curves provides your raw score. I can't remember the exact details behind it, but I'll look for it. It was an interesting read.

Anyway, yes, its impossible to figure out. Someone who got 20 hard questions right vs someone who got 20 easy questions right... very different scores.

OasisNYK · Answer

I have heard that powerprep is +/- within 30 points of your score range on the actual exam. 

I am not too concerned - it should be fairly accurate, just make sure you know your stuff when you take the real thing.

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