Abstract
Validity of an examination format is supported by its ability to distinguish levels of training among examinees. The Objective Structured Clinical Examination (OSCE) is a developing format generally composed of various types of task-oriented stations used to evaluate clinical skills of students and residents. The ideal composition of OSCE stations to maximize validity has not been determined. We examined the relative correlation between selected types of stations and level of resident postgraduate year (PGY). A 12-station OSCE was administered to surgical residents of all PGY levels at a university program. Individual station scores were correlated with PGY level. The overall correlation of the total examination score with PGY level was good (R = 0.681). Technical skill stations exhibited a significantly greater correlation with PGY level (0.679 vs 0.203) as compared with clinical skill stations (P < 0.05). These data suggest that technical skill evaluation is more sensitive in distinguishing level of training of surgical residents than is clinical skill evaluation.
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