Lookup NU author(s): Professor Roger Barton
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Background: Practitioners increasingly need to be able to evidence the quality of their care and their clinical competence for purposes of recredentialing and relicensing. Although this may be accomplished by audit and performance data, detailed and robust assessments of competence may be valuable in certain circumstances. Objective: To develop and evaluate a detailed assessment of performance of colonoscopy. Design: Evaluation of a Direct Observation of Procedural Skills (DOPS) method developed by an expert group of colonoscopists and clinical educationalists. Setting: English National Health Service National Bowel Cancer Screening Programme (BCSP). Subjects and Methods: Aspirant colonoscopists wishing to participate in the BCSP were assessed by using the DOPS. Reliability was estimated by using generalizability theory (G), and the candidates' and assessors' perspectives on validity were evaluated by questionnaire. Interventions: Grading of performance by 2 assessors over 2 consecutive real cases. Main Outcome Measurements: DOPS grades, global expert evaluation, performance data, evaluation questionnaire scores. Results: The assessment had high relative reliability: G = 0.81. The DOPS grades correlated highly with a global expert assessment. The candidates and assessors believed that the DOPS was a valid assessment of competence. Limitations: Not guaranteed to assess therapeutic skills; evaluation questionnaire influenced by result of assessment. Conclusions: This is the first evaluation of a DOPS assessment on independent practitioners. It performs well, with good levels of reliability and validity, and is sufficient to be used in a high-stakes assessment. Similar approaches should be considered for assessment of competence in other areas of clinical practice for relicensing or recredentialing. (Gastrointest Endosc 2012;75:591-7.)
Author(s): Barton JR, Corbett S, van der Vleuten CP, English Bowel Cancer Screening Programme, UK Joint Advisory Group for Gastrointestinal Endoscopy
Publication type: Article
Publication status: Published
Journal: Gastrointestinal Endoscopy
Print publication date: 08/01/2012
ISSN (print): 0016-5107
ISSN (electronic): 1097-6779
Publisher: Mosby, Inc.
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