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The 5-Choice Serial Reaction Time Task: A Task of Attention and Impulse Control for Rodents
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Does Time Pressure Have a Negative Effect on Diagnostic Accuracy?

Dalal A ALQahtani1, Jerome I Rotgans, Silvia Mamede

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Academic Medicine : Journal of the Association of American Medical Colleges
|January 31, 2016
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Summary
This summary is machine-generated.

Time pressure significantly impairs physicians' diagnostic accuracy, leading to more medical errors. This effect is more pronounced with less difficult cases and intermediate physician experience.

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Area of Science:

  • Medical Education
  • Clinical Decision Making
  • Patient Safety

Background:

  • Studies indicate time pressure negatively impacts physician working conditions, potentially causing suboptimal patient care and medical errors.
  • Experimental evidence directly linking time pressure to diagnostic accuracy was previously limited.

Purpose of the Study:

  • To investigate the effect of time pressure on the diagnostic accuracy of internal medicine residents.
  • To quantify the impact of time constraints on medical error rates.

Main Methods:

  • A randomized controlled trial involving senior internal medicine residents in Saudi Arabia.
  • Two groups: one under time pressure, one control. Both diagnosed eight written clinical cases.
  • Response time and diagnostic accuracy were measured for each participant.

Main Results:

  • Participants under time pressure diagnosed cases faster (96 seconds vs. 152 seconds) but with significantly lower accuracy (0.33 vs. 0.51).
  • Time pressure resulted in an average 37% increase in diagnostic errors compared to the control group.
  • Statistical significance was confirmed for both time spent and diagnostic accuracy differences (P < .001 and P = .012, respectively).

Conclusions:

  • Time pressure negatively impacts physician diagnostic performance.
  • The detrimental effect of time pressure on diagnostic accuracy is moderated by case difficulty and physician experience.
  • Specifically, time pressure affects accuracy more in less difficult cases and with physicians of intermediate experience levels.