The validity of an examination of knowledge in the medical sciences was assessed. Scores in the clinical medicine categories and total score of the Quarterly Profile Examination (QPE) were correlated with corresponding scores on the Part II examination of the National Board of Medical Examiners for three different examination dates. The correlations were found to be significant for each of the three groups. Since each examination date involved a unique sample from a computer bank of questions, the stability of these relationships over time was also considered. Results of the Rao test of independent correlations indicated the relationships to be stable across time.
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