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Measuring learning gain during a one-day introductory bronchoscopy course.

Henri G Colt1, Mohsen Davoudi, Septimiu Murgu

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Summary

A one-day introductory bronchoscopy course significantly improved trainees' cognitive knowledge and technical skills. Normalized gain metrics effectively demonstrated the curriculum's effectiveness, validating its value for medical education.

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Area of Science:

  • Medical Education
  • Pulmonary and Critical Care Medicine
  • Procedural Skill Assessment

Background:

  • Objective assessment of medical knowledge and technical skills is crucial for competency-based medical education.
  • Evaluating curricular effectiveness using objective learning measures supports learner-centric program development.
  • This study assesses the utility of normalized gain metrics for evaluating an introductory bronchoscopy course.

Purpose of the Study:

  • To determine if various learning measures, including class-average normalized gain, can assess the effectiveness of a one-day introductory bronchoscopy course.
  • To evaluate cognitive knowledge and technical skill acquisition in pulmonary and critical care trainees.

Main Methods:

  • A quasi-experimental, one-group pre-test/post-test design was employed with 24 pulmonary and critical care trainees.
  • Objective measures included class-average normalized gain, single-student normalized gain, absolute gain, and relative gain.
  • Perceived educational value was assessed via Likert-scale surveys and questionnaires.

Main Results:

  • Significant improvements were observed in cognitive knowledge scores (48% to 66%, p=0.043) and technical skills (43% to 77%, p=0.017).
  • Class-average normalized gain for cognitive knowledge was 34%, and for technical skills, it was 60%.
  • All five elements of technical skill showed statistically significant absolute gain improvements (p < 0.05).

Conclusions:

  • The one-day introductory bronchoscopy curriculum demonstrated effectiveness as measured by a pre-test/post-test model.
  • Normalized gain and related metrics provide objective evidence of learning and curricular efficacy.
  • The curriculum was perceived to have strong educational value by participants.