A Comparison of Visual Rating Scales and Simulated Virtual Reality Metrics in Neurosurgical Training: A Generalizability Theory Study.

摘要: Background Adequate assessment and feedback remains a cornerstone of psychomotor skills acquisition, particularly within neurosurgery where the consequence adverse operative events is significant. However, critical appraisal reliability visual rating scales in lacking. Therefore, we sought to design study compare with simulated metrics neurosurgical virtual reality task. Methods Neurosurgical faculty rated anonymized participant video recordings removal brain tumors using scale made up seven composite elements. Scale was evaluated generalizability theory, subcomponents were compared Pearson correlation analysis. Results Four staff neurosurgeons 16 medical student applicants. Overall internal consistency 0.73 0.90, respectively. Reliability 0.71 achieved two raters. Individual participants, raters, items accounted for 27%, 11%, 0.6% data variability. The hemostasis component related greatest number metrics, whereas respect no-go zones tissue correlated none. Metrics relating instrument force patient safety (brain volume removed blood loss) captured by fewest components. Conclusions To our knowledge, this first comparing participant's ratings performance. Given capture less well force, quantity removed, loss, suggest adopting hybrid educational approach an environment, supplemented sessions uncover potentially problematic surgical technique.