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Related Concept Videos

Confidence Coefficient01:24

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The confidence coefficient is also known as the confidence level or degree of confidence. It is the percent expression for the probability, 1-α, that the confidence interval contains the true population parameter assuming that the confidence interval is obtained after sufficient unbiased sampling; for example, if the CL = 90%, then in 90 out of 100 samples the interval estimate will enclose the true population parameter. Here α is the area under the curve, distributed equally under...
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Related Experiment Video

Updated: Mar 26, 2026

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve
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Measuring Patterns of Surgeon Confidence Using a Novel Assessment Tool.

Timothy M Farrell1, Iman Ghaderi, Lindsee E McPhail

  • 1Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.

The American Surgeon
|January 24, 2016
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Summary

Surgeon confidence significantly improves during residency and early practice across clinical and personal domains. This study introduces a new scale to track surgeon confidence over time.

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Area of Science:

  • Surgical Education and Training
  • Medical Professional Development
  • Psychology of Surgeons

Background:

  • Limited data exist on surgeon confidence development throughout training and practice.
  • Confidence may vary across clinical (inpatient, outpatient) and personal domains.
  • A reliable tool is needed to measure and track surgeon confidence.

Purpose of the Study:

  • To develop and validate a novel survey scale to assess surgeon confidence.
  • To evaluate confidence trends across different surgical practice domains and experience levels.
  • To establish a reliable method for monitoring surgeon confidence over time.

Main Methods:

  • A novel cross-sectional survey was distributed to 134 surgeons in private and academic settings.
  • Respondents reported anticipated reactions to clinical scenarios in three patient care domains and personal spheres.
  • Confidence scores were analyzed against years of experience, with reliability assessed via a subgroup re-survey after four years.

Main Results:

  • Surgeons reported a steep improvement in confidence across all clinical domains during residency.
  • Confidence continued to increase for inpatient domains during the transition to practice.
  • Confidence in personal spheres also showed rapid increases during residency and beyond.

Conclusions:

  • The novel surgeon confidence scale effectively captures the expected acquisition of confidence during early surgical experience.
  • The scale demonstrates value in tracking trends in surgeon confidence as training and practice patterns evolve.
  • This tool can aid in understanding and supporting surgeon competency development.