Abstract
BackgroundOur objective was to assess the impact of incorporating videos in a behaviorally anchored performance rating scale on the inter-rater reliability (IRR) of expert, intermediate and novice raters. MethodsThe Intra-corporeal Suturing Assessment Tool (ISAT) was modified to include short video clips demonstrating poor, average, and expert performances. Blinded raters used this tool to assess videos of trainees performing suturing on a porcine model. Three attending surgeons, 4 residents, and 4 novice raters participated; no rater training was provided. The IRR was then compared among rater groups. ResultsThe IRR using the modified ISAT was high at 0.80 (p < 0.001). Ratings were significantly correlated with trainee objective suturing scores for all rater groups (experts: R = 0.84, residents: R = 0.81, and novices: R = 0.69; p < 0.001). ConclusionsIncorporating video anchors (to define performance) in the ISAT led to high IRR and enabled novices to achieve similar consistency in their ratings as experts.
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