An OSCE for Summative Assessment after Clinical Clerkship: Experience in Ewha Medical School

Purpose: To report the experience of OSCE performed as a summative assessment of the medical students in year 4 at Ewha Womans University. Methods: Ninety-eight students took the twenty stations including 3 pairs of linked stations. We conducted duplicated OSCEs and each station runs 4 minutes 30 seconds. We analyzed the validity of stations, the reliability of duplicated OSCEs and the difference of scores according to the OSCE tools and categories. Results: Mean OSCE score was and Cronbach-α of total stations was 0.74. The scores between duplicated examinee groups and between duplicated evaluator groups were not different: the score of preceding examinee group was 63.3 and the later 65.7(p=0.13), and the score of the first evaluator group was 64.6 and the second was 63.6(p=0.16). However according to the individual analysis, 9 stations showed statistically discrepancies(p