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  3. Metacognitive Processes In Radiologic Decision-making: The Hard-easy Effect And Temporal Thinking Dynamics.
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  3. Metacognitive Processes In Radiologic Decision-making: The Hard-easy Effect And Temporal Thinking Dynamics.

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Metacognitive Processes in Radiologic Decision-Making: The Hard-Easy Effect and Temporal Thinking Dynamics.

Eyal Bercovich1,2,3, Rakefet Ackerman4

  • 1Department of Medical Imaging, Rambam Health Care Campus, HaAliya HaShniya St 8, Haifa, Israel 3109601.

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|May 26, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Radiologists showed better diagnostic accuracy and confidence than non-radiologists, but both groups exhibited overconfidence, especially on difficult cases. Fast decisions improved accuracy, while prolonged deliberation led to errors.

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Area of Science:

  • Cognitive psychology
  • Medical decision-making
  • Radiology

Background:

  • Effective metacognitive processes, including confidence monitoring and regulatory decisions, are crucial for accurate and efficient radiologic diagnosis.
  • Identifying metacognitive pitfalls is essential for enhancing diagnostic accuracy and optimizing workflow in radiology.

Purpose of the Study:

  • To investigate the hard-easy effect and temporal dynamics in radiologic decision-making.
  • To compare metacognitive processes between radiologists and non-radiology medical professionals.

Main Methods:

  • Radiologists and non-radiologists reviewed bone radiographs to detect lesions, rating confidence and recommending actions.
  • Decisions were compared against CT/MRI-validated reference standards.
  • Metacognitive analysis included success rates, confidence levels, overconfidence, response times, resolution, and control sensitivity.

Main Results:

  • Radiologists demonstrated higher success (73.59%) and confidence (85.12%) than non-radiologists (64.71% and 81.24%, respectively).
  • Overconfidence was prevalent (14.73%) but lower in radiologists (11.52%) than non-radiologists (16.52%).
  • A hard-easy effect was observed, with overconfidence increasing in difficult cases; faster decisions were more accurate.

Conclusions:

  • Radiologic expertise improves diagnostic success and confidence monitoring, yet both experts and non-experts remain susceptible to overconfidence.
  • The hard-easy effect and detrimental temporal dynamics (prolonged deliberation) impact decision-making accuracy in radiology.
  • Addressing metacognitive biases is key to improving radiologic diagnostic performance.