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Related Experiment Video

Updated: May 8, 2026

Operant Procedures for Assessing Behavioral Flexibility in Rats

Operant Procedures for Assessing Behavioral Flexibility in Rats

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Correcting for Rater Effects in Operating Room Surgical Skills Assessment.

Ryan Chou¹, Hajira Naz², Kofi D O Boahene^3,4

¹Department of Biomedical Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, Maryland, U.S.A.

The Laryngoscope

|March 12, 2024

Summary

This summary is machine-generated.

This study developed a method to adjust surgical skill assessments for rater bias in nasal septoplasty. This allows for standardized, objective evaluation of trainee performance in the operating room.

Keywords:

OSATS SGAT rater bias rater effect septoplasty surgical skill assessment

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Area of Science:

Medical Education
Surgical Assessment
Otolaryngology

Background:

Operating room surgical skills assessment is crucial for trainee development.
Structured rating scales are used, but rater variability can affect accuracy.
Nasal septoplasty is a common procedure where objective skill assessment is needed.

Purpose of the Study:

To estimate and adjust for rater effects in operating room surgical skills assessment for nasal septoplasty.
To develop a method for standardized, rater-effects-adjusted surgical skill benchmarks.
To improve the reliability of surgical skill evaluations.

Main Methods:

Analysis of survey responses from attending surgeons (raters) and trainees performing nasal septoplasty.
Structural equation modeling to assess latent surgical skill, incorporating rater as a random effect.
Validation against trainee expertise level, post-graduation year (PGY), and surgical goal achievement.

Main Results:

The best model included a latent construct for surgical skill and the rater as a random effect.
Rater leniency/severity significantly influenced rubric scores, comparable to trainee skill.
Rater-adjusted skill scores correlated positively with trainee expertise and PGY.

Conclusions:

A validated method exists to obtain rater-effect-adjusted surgical skill assessments using structured rating scales.
This approach enables the creation of standardized, quantitative surgical skill benchmarks from national databases.
The findings enhance the objectivity and reliability of surgical training assessments.