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#1
05-08-2013
 USMLE Forums Veteran Steps History: 1+CK+CS+3 Posts: 297 Threads: 23 Thanked 315 Times in 144 Posts Reputation: 325
Percent of Correct Questions and 3 Digit Score

I have talked to people and they say that to achieve the desired score you have to correct a particular no of questions
• 95% = 275+

you miss 2 questions per section.
1/100 achieve this

• 90% = 265+

You miss 4-5 questions per section.
5/100 achieve this
• 85% = 255+

you miss 7-8 question per section
1/10 achieve this

What are your thoughts guys ?????
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#2
05-08-2013
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Have seen many predictions, in my personal opinion, the closest (for the real exam) is

3 digit score = % correct * 2.8

(To draw a parallel with NBME, if you get 80% correct, that is 160/200 correct, you are likely to get ~ 225). Note that the real exam is somewhat simpler than the NBME, so if you get 80% correct on NBME, you might be somewhat greater than 225, but on the real exam, 80% is likely to fetch you 225.

Having said that, it is a real mess, with thousands of data points being used to form the curve. So even a minute change in the correct % could change the score appreciably.
#3
05-08-2013
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90% gets you 240-250. But it is hard to say, as the questions are weighted.

#4
05-09-2013
 USMLE Forums Guru Steps History: 1+CK+CS Posts: 316 Threads: 17 Thanked 159 Times in 97 Posts Reputation: 169

Would be nice to have 85% correct and yield 255+ because that is what Im getting in the NBME's, yet my predicted is around 228-230.
#5
05-09-2013
 USMLE Forums Veteran Steps History: 1+CK+CS+3 Posts: 297 Threads: 23 Thanked 315 Times in 144 Posts Reputation: 325

Quote:
 Originally Posted by medpack87 Would be nice to have 85% correct and yield 255+ because that is what Im getting in the NBME's, yet my predicted is around 228-230.
That was a rough estimate i think so..... but as people say every question is weighted differently ...so you could have 85% correct and you can score close to 250 but on some occasions you might score 230 also ...... btw are you doing the online version ?
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#6
05-09-2013
 USMLE Forums Guru Steps History: 1+CK+CS Posts: 316 Threads: 17 Thanked 159 Times in 97 Posts Reputation: 169

Yes, all online. NBME 11 and 13 so far. I plan on taking 2 more, i still have 1 month until test.
#7
05-09-2013
 USMLE Forums Veteran Steps History: 1+CK+CS+3 Posts: 297 Threads: 23 Thanked 315 Times in 144 Posts Reputation: 325

btw for 85 % correct 230 is low .... ...do post here your scores and % correct so people might compare ....usmle scores always remain such a mystery though ..... btw what was your UW score
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#8
05-09-2013
 USMLE Forums Guru Steps History: 1+CK+CS Posts: 316 Threads: 17 Thanked 159 Times in 97 Posts Reputation: 169

My scores:
NBME 13 164/200, that is 82%. Therefore 530 by NBME algorithm, and 228 predicted
NBME 11 165/200, that is 82.5%. 530 by NBME algorithm, 228 predicted

Maybe I just need a little more score to get to 230-235. Idk
#9
05-09-2013
 USMLE Forums Veteran Steps History: 1+CK+CS+3 Posts: 297 Threads: 23 Thanked 315 Times in 144 Posts Reputation: 325

Yeah maybe ..... 85% might push you to 240 though .....but people say nbme are hard than the actual exam so you might end up 5-10 points higher than your actual score on nbme
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#10
05-09-2013
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Quote:
 Originally Posted by npktun Yeah maybe ..... 85% might push you to 240 though .....but people say nbme are hard than the actual exam so you might end up 5-10 points higher than your actual score on nbme
My 87-88% got me a 240 on two different NBME's. The real exam, just as many people say it is harder as the ones who say it is easier. How easy it feels on an exam has no bearing on actual performance.

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