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Error Management Training and Adaptive Expertise in Learning Computed Tomography Interpretation: A Randomized

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Error management training (EMT) significantly improved physicians' adaptive expertise in cognitive skills like head CT interpretation. This method, particularly with difficult cases, enhances diagnostic accuracy for novel situations, reducing medical errors.

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Area of Science:

  • Medical Education
  • Cognitive Skill Development
  • Diagnostic Expertise

Background:

  • Adaptive expertise is crucial for physicians to manage novel clinical cases and minimize errors.
  • Error management training (EMT) is known to enhance procedural skills but its impact on cognitive skills in medical education remains unclear.

Purpose of the Study:

  • To assess if error management training (EMT) improves adaptive expertise in learning head computed tomography (CT) interpretation, a key cognitive skill.

Main Methods:

  • A 3-arm randomized clinical trial involving 212 emergency medicine residents.
  • Participants were assigned to difficult EMT, easy EMT, or error avoidance training (EAT) control.
  • The study evaluated adaptive expertise in head CT interpretation using a posttest.

Main Results:

  • The difficult EMT group demonstrated superior adaptive expertise compared to easy EMT and EAT groups (60.6% vs. 45.2% vs. 40.9%, P < .001).
  • Making more errors during training in the difficult EMT cohort mediated 87.2% of the improvement in adaptive expertise.
  • Difficult EMT was more effective for residents earlier in their training.

Conclusions:

  • Error management training (EMT) is an effective strategy for developing physicians' adaptive expertise in cognitive skills.
  • The findings support the use of EMT, particularly with challenging cases, to enhance diagnostic reasoning and reduce medical errors.