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Gathering Validity Evidence for the Bushmaster Assessment Tool.

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This study validates the Bushmaster leader assessment tool for military medical education, showing it effectively measures leadership performance. Leadership roles like behavioral health officer scored higher than surgeon roles.

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Area of Science:

  • Medical Education
  • Leadership Studies
  • Military Health Systems

Background:

  • Military medical education requires robust assessments for clinical skills and leadership.
  • Existing leadership assessment tools lack the widespread validity evidence seen in clinical tools.
  • Assessing leadership in intense simulated military environments presents unique challenges.

Purpose of the Study:

  • To provide validity evidence for the Bushmaster leader assessment instrument.
  • To evaluate the instrument's effectiveness in measuring leader performance in military medical trainees.
  • To analyze factors influencing leadership assessment scores in a simulated operational context.

Main Methods:

  • Confirmatory factor analyses were used to assess the validity of the Bushmaster assessment tool.
  • Data were collected from 645 medical students and 170 faculty evaluators over three years.
  • A 4-point Likert scale measured student performance in character, context, communication, and competence.

Main Results:

  • The one-factor structure of the assessment tool was confirmed with excellent fit indices.
  • Assigned leadership roles significantly impacted evaluation scores, with higher scores for behavioral health officer and platoon leader compared to surgeon.
  • Student or faculty assessment had a minimal effect on item scores.

Conclusions:

  • The Bushmaster leader assessment tool demonstrates validity for evaluating leader performance in military medical education.
  • Standardized faculty training is crucial for consistent leadership evaluations.
  • Evaluation conditions, not individual differences, were the primary drivers of score variations.