| Measurement precision of spoken English proficiency scores on the USMLE step 2 clinical skills examination. | |
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MedLine Citation:
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PMID: 19907394 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Previous research has shown that ratings of English proficiency on the United States Medical Licensing Examination Clinical Skills Examination are highly reliable. However, the score distributions for native and nonnative speakers of English are sufficiently different to suggest that reliability should be investigated separately for each group. METHOD: Generalizability theory was used to obtain reliability indices separately for native and nonnative speakers of English (N = 29,084). Conditional standard errors of measurement were also obtained for both groups to evaluate measurement precision for each group at specific score levels. RESULTS: Overall indices of reliability (phi) exceeded 0.90 for both native and nonnative speakers, and both groups were measured with nearly equal precision throughout the score distribution. However, measurement precision decreased at lower levels of proficiency for all examinees. CONCLUSIONS: The results of this and future studies may be helpful in understanding and minimizing sources of measurement error at particular regions of the score distribution. |
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Authors:
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Mark R Raymond; Brian E Clauser; Kimberly Swygert; Marta van Zanten |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Academic medicine : journal of the Association of American Medical Colleges Volume: 84 ISSN: 1938-808X ISO Abbreviation: Acad Med Publication Date: 2009 Oct |
Date Detail:
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Created Date: 2009-11-12 Completed Date: 2010-02-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8904605 Medline TA: Acad Med Country: United States |
Other Details:
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Languages: eng Pagination: S83-5 Citation Subset: AIM; IM |
Affiliation:
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National Board of Medical Examiners, 3750 Market Street, Philadelphia, PA 19104, USA. mraymond@nbme.org |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Clinical Competence*
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statistics & numerical data Educational Measurement* / statistics & numerical data Language* Licensure, Medical* United States |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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