550 to 650 to 640

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550 to 650 to 640

by resilient » Sun Mar 23, 2008 4:34 pm
ok I had a 650 (quant 38 Verbal 41) last week that was raised from a 550.

After 10 days of good good math studies and careful analysis of my mistakes, I took another manhattan gmat exam. I scored a 640 (quant 44 and verbal 34). This is bittersweet for me. I can raise the quant even higher because I didnt even touch geometry review yet. It shows that I can fix the math and I can get even higher. I am bleeding many points from SC and some from CR.

How can I balance raising both scores while not letting each side slip?

Very close please help!
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Re: 550 to 650 to 640

by lunarpower » Tue Mar 25, 2008 2:33 am
Enginpasa1 wrote:ok I had a 650 (quant 38 Verbal 41) last week that was raised from a 550.

After 10 days of good good math studies and careful analysis of my mistakes, I took another manhattan gmat exam. I scored a 640 (quant 44 and verbal 34). This is bittersweet for me. I can raise the quant even higher because I didnt even touch geometry review yet. It shows that I can fix the math and I can get even higher. I am bleeding many points from SC and some from CR.

How can I balance raising both scores while not letting each side slip?

Very close please help!
that's an interesting way to phrase the question; the wording makes it sound like a zero-sum game, in which devoting more attention to quant has been costing you verbal points. of course, that idea doesn't really make sense; the two sections are completely separate, with separate time limits, etc., so the one can't really affect the other.

it is possible, of course, that you can underperform on verbal due to sheer neglect if you spend all your time studying quant. but, in your case, that's not a factor; it's only been ten days - not nearly enough time in which to forget lots of material, especially verbal material (which tends to be retained for longer than does quant) - since your last practice test.

don't forget the following fact: the test has a 30-point standard deviation. roughly, this means that, about 70% of the time, your performance will be within 30 points (either way) of your 'true score' or 'predicted score'. that's already a fairly wide range, but don't forget the other consequence of that statement: the other 30% of the time, your score will be MORE than 30 points above or below your 'true'/'predicted' score!

in other words, you can't put too much stock in single scores, and you can't put any stock in extremely small increments. a ten-point loss is slight enough to begin with, but, relative to a 30-point standard deviation, it's totally negligible. as an analogy, if you stepped on the scale and found that you weigh 0.4 pound less than you did last week, you can't really interpret that as weight loss. (weight can fluctuate by several pounds on a regular basis, so that reading could even be consistent with weight gain!)

so, a brief summary:
* don't worry about small gains and losses; just worry about your entire trajectory of practice tests, which, judging from your posts, is definitely increasing over time
* try not to think of the quant and verbal sections as affecting each other; they are completely independent.
* see your other thread for my notes about useful ways to approach sentence correction.
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thank you

by resilient » Tue Mar 25, 2008 8:44 am
thank you for the direction. What I am seeing is that I should just look at a general increase in the direction that I need. What do you recommend for SC? I am a bit confused on what you want me to do there!
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Re: thank you

by lunarpower » Thu Mar 27, 2008 12:27 am
Enginpasa1 wrote:What do you recommend for SC?
check out this thread, in which i laid some general sc recommendations on you:

https://www.beatthegmat.com/hello-t9436.html
Ron has been teaching various standardized tests for 20 years.

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