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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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Blinded intraoperative skill evaluations avoid gender-based bias.

Poppy Addison1,2, Daniel Bitner3, Paul Chung3,4

  • 1Department of General Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, US. paddison@northwell.edu.

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|February 24, 2022
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Summary
This summary is machine-generated.

This study found no significant difference in surgical skill scores (GEARS) between male and female surgeons performing robotic hysterectomies. Video-based assessments can help reduce gender bias in surgical evaluations.

Keywords:
DisparitiesEducationGenderVideo-based assessment

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Area of Science:

  • Minimally Invasive Surgery
  • Surgical Education
  • Gender Studies in Medicine

Background:

  • Gender bias is a documented issue in written performance evaluations.
  • Standardized qualitative tools, such as video-based assessments, may offer a method to objectively evaluate surgical skills and mitigate bias.
  • Robotic surgery, like hysterectomy, presents an opportunity to assess skill impartially.

Purpose of the Study:

  • To investigate potential gender-based differences in surgical performance during robotic hysterectomies.
  • To compare operative times and Global Evaluative Assessment of Robotic Skills (GEARS) scores between male and female surgeons.
  • To determine if GEARS scores can serve as a bias-free metric for surgical competency.

Main Methods:

  • A prospective database of robotic hysterectomies performed between June 2019 and March 2020 was analyzed.
  • Global Evaluative Assessment of Robotic Skills (GEARS) scores were assigned by blinded, crowd-sourced evaluators.
  • One-way ANOVA and ANCOVA were used to compare operative times and GEARS scores, controlling for potential confounders.

Main Results:

  • No significant difference was found in total GEARS scores between women (20.0 ± 0.77) and men (20.2 ± 0.70) surgeons (p=0.415).
  • Subcomponent GEARS scores for bimanual dexterity, depth perception, efficiency, force sensitivity, and robotic control also showed no significant gender-based differences.
  • While initial operative times were longer for women surgeons (133 ± 58 min vs 86.3 ± 46 min, p=0.024), adjusted analysis revealed no significant difference (p=0.607).

Conclusions:

  • Robotic hysterectomies performed by male and female surgeons demonstrate comparable skill levels as assessed by GEARS scores.
  • Video-based, blinded skill assessments are a promising tool for evaluating surgical competency and reducing gender bias in surgical training and credentialing.