1.4 Formula to Predict your Offline NBME Score! - USMLE Forums
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 USMLE Forums 1.4 Formula to Predict your Offline NBME Score!

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#1
03-06-2012
 USMLE Forums Addict Steps History: Not yet Posts: 140 Threads: 52 Thanked 17 Times in 15 Posts Reputation: 27
1.4 Formula to Predict your Offline NBME Score!

why when doing offline nbme the say no. of correct answers *1.4
where this 1.4 come from
does anyone really know how nbme count the scores ???

#2
03-06-2012
 USMLE Forums Veteran Steps History: 1+CK+CS+3 Posts: 259 Threads: 9 Thanked 362 Times in 136 Posts Reputation: 382

I saw 1.4 in on of the other forums as well. It was posted by some old IMG! I think it works!
 The above post was thanked by: flowerlady (03-06-2012)
#3
03-06-2012
 USMLE Forums Master Steps History: 1+CK+CS Posts: 1,406 Threads: 118 Thanked 690 Times in 431 Posts Reputation: 700

Quote:
 Originally Posted by flowerlady why when doing offline nbme the say no. of correct answers *1.4 where this 1.4 come from does anyone really know how nbme count the scores ???
its just some formula someone came up with based on scores he had seen.
ive seen some people use 1.38 as well

but dont use this as a serious indication.
before the step you have to do an online nbme.
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 The above post was thanked by: flowerlady (03-06-2012)

#4
03-06-2012
 USMLE Forums Addict Steps History: Not yet Posts: 140 Threads: 52 Thanked 17 Times in 15 Posts Reputation: 27

Quote:
 Originally Posted by Dr.NickRiviera its just some formula someone came up with based on scores he had seen. ive seen some people use 1.38 as well but dont use this as a serious indication. before the step you have to do an online nbme.
yes I ve done one online before and planning to do the other
but i know that uworld calculate it in different way , but I did uwsa 2 and when u compare the wrong number of question in uworld to that in nbme (take in consideration that nbme 50 question while uwsa is only 46)
you find some difference so I just wanted to know is that analysis from some students or it is confirmed information from NBME or some other official resources as I dont know why 1.38 or 1.4 and some people even say 1.37???
#5
03-07-2012
 USMLE Forums Master Steps History: 1+CK+CS Posts: 1,406 Threads: 118 Thanked 690 Times in 431 Posts Reputation: 700

Quote:
 Originally Posted by flowerlady yes I ve done one online before and planning to do the other but i know that uworld calculate it in different way , but I did uwsa 2 and when u compare the wrong number of question in uworld to that in nbme (take in consideration that nbme 50 question while uwsa is only 46) you find some difference so I just wanted to know is that analysis from some students or it is confirmed information from NBME or some other official resources as I dont know why 1.38 or 1.4 and some people even say 1.37???
No its not confirmed info, these are general techniques of reaching approximations.
Actually calculating a 3digit score is based on a conplex formula which takes into account much more than just the number correct.
Nbme has a top secret logarithm for this.
Score correlatoring tools and uwsa 3 digit scores are all other logarithms that try to mimick that of the nbme.
But since nbme is same ppl who grade step1, their formula is the right one, just noone knows exactly what it is.
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