Standardized examinees: development of a new tool to evaluate factors influencing OSCE scores and to train examiners.

GMS Journal for Medical Education
Petra Zimmermann, Martina Kadmon

Abstract

Introduction: The Objective Structured Clinical Examination (OSCE) is an established format for practical clinical assessments at most medical schools and discussion is underway in Germany to make it part of future state medical exams. Examiner behavior that influences assessment results is described. Erroneous assessments of student performance can result, for instance, from systematic leniency, inconsistent grading, halo effects, and even a lack of differentiation between the tasks to be performed over the entire grading scale. The aim of this study was to develop a quality assurance tool that can monitor factors influencing grading in a real OSCE and enable targeted training of examiners. Material, Methods and Students: Twelve students at the Medical Faculty of the University of Heidelberg were each trained to perform a defined task for a particular surgical OSCE station. Definitions were set and operationalized for an excellent and a borderline performance. In a simulated OSCE during the first part of the study, the standardized student performances were assessed and graded by different examiners three times in succession; video recordings were made. Quantitative and qualitative analysis of the videos was also undertaken by...Continue Reading

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