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KMID : 1038320170140010034
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보건의료교육평가
2017 Volume.14 No. 1 p.34 ~ p.34
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The sights and insights of examiners in objective structured clinical examinations
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Chong Lauren
Taylor Silas
Haywood Matthew
Adelstein Barbara Ann
Shulruf Boaz
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Abstract
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Purpose: The objective structured clinical exam (OSCE) is considered one of the most robust methods of clinical assessment. One of its strengths lies in its ability to minimise the effects of examiner bias due to the standardisation of items and tasks for each candidate. However, OSCE examiners’ assessment scores are influenced by several factors which may jeopardise the assumed objectivity of OSCEs. To better understand this phenomenon, the current review aims to determine and describe important sources of examiner bias and the factors affecting examiners’ assessments.
Methods: We performed a narrative review of the medical literature using Medline. All articles meeting the selection criteria were reviewed with salient points extracted and synthesised into a clear and comprehensive summary of the knowledge in this area.
Results: OSCE examiners’ assessment scores are influenced in four different domains: examination context, examinee characteristics, examinee-examiner interactions and examiner characteristics. These domains are composed of several factors including halo, hawk/dove and OSCE contrast effects, examiner gender and ethnicity, training, lifetime experience in assessing, leadership and familiarity with students, station type and site effect.
Conclusion: There are several factors that may influence the presumed objectivity of examiners’ assessments and which need to be addressed to ensure objectivity of OSCEs. We offer insights into directions for future research to better understand and address the phenomenon of examiner bias.
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KEYWORD
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Assessment, Australia, checklist, judgment
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