Abstract
Background Both general and technique-specific assessments of technical skill have been validated in surgical education. The purpose of this study was to assess the correlation between the objective structured assessment of technical skills (OSATS) and the global operative assessment of laparoscopic skills (GOALS) rating scales using a high-fidelity porcine laparoscopic cholecystectomy model.MethodsPost-graduate year-one general surgery and urology residents (n=14) performed a live laparoscopic porcine cholecystectomy. Trained surgeons rated their performance using OSATS and GOALS assessment scales.ResultsPearson’s correlation coefficient between OSATS and GOALS was 0.96 for overall scores. It ranged from 0.78 - 0.89 for domains that overlapped between the two scales.ConclusionThere is a very high correlation between OSATS and GOALS. This implies that they likely measure similar constructs and that either may be used for summative-type assessments of trainee skill. However, further investigation is needed to determine if technique-specific assessments may provide more useful feedback in formative evaluation.
Highlights
Pearson’s correlation coefficient between OSATS and global operative assessment of laparoscopic skills (GOALS) was 0.96 for overall scores. It ranged from 0.78 - 0.89 for domains that overlapped between the two scales
Valid and reliable methods of assessing technical performance are essential for surgical training programs and educational research [1]
They afford the maintenance of academic standards and function to provide feedback to learners as they progress through training
Summary
Valid and reliable methods of assessing technical performance are essential for surgical training programs and educational research [1]. They afford the maintenance of academic standards and function to provide feedback to learners as they progress through training. Surgical skills are most commonly assessed using in-training evaluation reports (ITERs) in Canada. These are composed of rating scales designed to assess the Canadian Medical Education Directions for Specialists (CanMEDS) competencies in addition to technical skills (Figure 1) [2]. Both general and technique-specific assessments of technical skill have been validated in surgical education. The purpose of this study was to assess the correlation between the objective structured assessment of technical skills (OSATS) and the global operative assessment of laparoscopic skills (GOALS) rating scales using a high-fidelity porcine laparoscopic cholecystectomy model
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