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· Ex-USMLE Forums Staff
752 Posts
The role of luck in USMLE Step 1 exam

In your score report you will see what's called SEM which stands for the standard error of measurement.
This is an index of the variation of scores that would be expected to occur if an examinee was tested repeatedly using different sets of questions.
The current SEM is 5 to 8 points (on the three digits scale).

This means that "luck" is exactly accounting for this degree of variation only.

So if you yourself, take the exam the next day and given a completely different 336 questions, you will still get the same score within the range specified above.

So luck has a very minor role in step 1 exam.
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