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Cognitive Biases in Emergency Physicians: A Pilot Study.

Jesse M Pines¹, Andrew Strong²

¹U.S. Acute Care Solutions, Canton, Ohio.

The Journal of Emergency Medicine

|May 26, 2019

Summary

This summary is machine-generated.

Emergency physicians exhibit less cognitive bias than nonphysicians, particularly in bias blind spot and representative bias. Statistical familiarity correlates with reduced bias, but knowledge of decision biases does not.

Keywords:

anchoring bias blind spot cognitive bias emergency emergency medicine medical decision making patient safety representative bias

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Area of Science:

Cognitive Psychology
Medical Decision Making
Physician Performance

Background:

Cognitive bias can significantly impair judgment and lead to systematic errors.
Understanding cognitive bias in medical professionals is crucial for patient safety.

Purpose of the Study:

To evaluate the prevalence of cognitive bias in emergency physicians.
To compare cognitive bias levels between emergency physicians and a nonphysician control group.

Main Methods:

Emergency physicians and randomly selected nonphysicians completed the Rationality Quotient (RQ) test.
RQ scores were compared between groups, analyzing specific cognitive biases.
The relationship between self-reported statistical knowledge and bias was assessed.

Main Results:

Physicians showed significantly less overall cognitive bias (RQ 51.1) than control subjects (RQ 43.3).
Reduced bias in physicians was noted for bias blind spot and representative bias.
Higher self-reported statistical familiarity was associated with lower bias scores in physicians.

Conclusions:

Cognitive biases are prevalent but less pronounced in emergency physicians compared to the general population.
Bias blind spot and representative bias were key areas of difference.
Statistical knowledge, not just awareness of biases, appears to mitigate cognitive bias in physicians.