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Observed consultation: confidence and accuracy of assessors
Mike Tweed1, Christopher Ingham2
1University of Otago, Wellington, New Zealand. mike.tweed@otago.ac.nz.
Summary
Medical assessor judgment accuracy and confidence varied, with over-confidence peaking for borderline student performances. Under-confidence occurred for easier assessments, highlighting complex relationships in medical education evaluation.
Area of Science:
- Medical Education
- Psychology of Assessment
Background:
- Assessor judgments are crucial for evaluating medical students.
- Understanding the relationship between assessor accuracy and confidence is vital for reliable assessments.
Purpose of the Study:
- To investigate the accuracy of assessor judgments in medical student consultations.
- To examine the level of assessor confidence in their judgments.
- To explore the correlation between assessor accuracy and confidence.
Main Methods:
- Assessors viewed recorded medical student consultations.
- Scoring included a checklist, consultation attributes, and a passmark scale with confidence ratings.
- Stimulated recall interviews were used to understand scoring rationale.
Main Results:
- Assessor accuracy and confidence were lowest for student performances near the passmark.
- Over-confidence was highest for borderline performances; under-confidence was observed at performance extremes.
- Factors influencing scoring and confidence were identified through interviews.
Conclusions:
- Assessor confidence and accuracy are not always aligned, particularly for borderline cases.
- Over-confidence increases with judgment difficulty, but under-confidence can occur for less difficult judgments.
- Perceived need for more information may boost confidence without improving accuracy, potentially increasing over-confidence.
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