A collaborative comparison of Objective Structured Clinical Examination (OSCE) standard setting methods at Australian medical schools
Malau-Aduli, Bunmi Sherifat, Teague, Peta-Ann, D'Souza, Karen, Heal, Clare, Turner, Richard, Garne, David L., and van der Vleuten, Cees (2017) A collaborative comparison of Objective Structured Clinical Examination (OSCE) standard setting methods at Australian medical schools. Medical Teacher, 39 (12). 7. pp. 1261-1267.
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Abstract
Background: A key issue underpinning the usefulness of the OSCE assessment to medical education is standard-setting, but the majority of standard-setting methods remain challenging for performance assessment because they produce varying passing marks. Several studies have compared standard setting methods; however, most of these studies are limited by their experimental scope, or use data on examinee performance at a single OSCE station or from a single medical school. This collaborative study between ten Australian medical schools investigated the effect of standard-setting methods on OSCE cut scores and failure rates.
Methods: This research used 5,256 examinee scores from seven shared OSCE stations to calculate cut scores and failure rates using two different compromise standard-setting methods, namely the Borderline Regression and Cohen's methods.
Results: The results of this study indicate that Cohen's method yields similar outcomes to the Borderline Regression method, particularly for large examinee cohort sizes. However, with lower examinee numbers on a station, the Borderline Regression method resulted in higher cut scores and larger difference margins in the failure rates.
Conclusion: Cohen's method yields similar outcomes as the Borderline Regression method and its application for benchmarking purposes and in resource-limited settings is justifiable, particularly with large examinee numbers.
Item ID: | 50008 |
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Item Type: | Article (Research - C1) |
ISSN: | 1466-187X |
Keywords: | standard setting, OSCE, clinical assessment, benchmarking |
Date Deposited: | 06 Sep 2017 01:27 |
FoR Codes: | 39 EDUCATION > 3904 Specialist studies in education > 390402 Education assessment and evaluation @ 50% 39 EDUCATION > 3903 Education systems > 390303 Higher education @ 50% |
SEO Codes: | 92 HEALTH > 9299 Other Health > 929999 Health not elsewhere classified @ 50% 93 EDUCATION AND TRAINING > 9301 Learner and Learning > 930101 Learner and Learning Achievement @ 50% |
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