How is NBDE I curved?

[greeneyez]

Does anyone know how the NBDE part 1 is curved? Is there an average curve over each subject, for example is Anatomy curved 20 pts on average? Thanks to anyone who can lead me in the right direction to answer my question.

~greeneyez

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[DDSSlave]

Each section is curved slightly differently and it varies from year to year. I believe the most recently released grading scale is from 1998. Just to give you and idea here are the raw scores you would need to get a 75(pass)/90:

Anatomical Sciences: 46/73
Biochem/Physiology: 41/71
Micro/Pathology: 43/69
Dental Anatomy: 61/84


It seems as though the curve for Anatomy might be a bit less now considering most test takers had a score 5-10 points less then what they were expecting/hoping for.