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Transparency and Explainability in Human Factors — A Systematic Review of Usability Assessment Practices for AI Medical Devices

Aug 2026 · Proceedings of the International Symposium on Human Factors and Ergonomics in Health Care · Vol 15, pp. 62 - 66 · 0 citations · 19 references

TL;DR

Results identify a "symmetry of modality": qualitative interviews correlate with written text explanations, while Think-Aloud protocols better assess cognitively demanding tools like SHAP values.

Abstract

While AI-enabled medical devices (AIeMD) are redefining healthcare, safety relies on human-AI interaction as much as algorithmic performance. This systematic review of 53 studies reveals that 58.2% of research omits Explainable AI (XAI) methods, despite transparency being a regulatory and safety necessity. Results identify a "symmetry of modality": qualitative interviews correlate with written text explanations, while Think-Aloud protocols better assess cognitively demanding tools like SHAP values. Currently, AI-specific risks like automation bias, driven by algorithmic opacity, are critically under-reported. To ensure safe adoption, practitioners must move beyond "user satisfaction" to treat transparency and XAI as safety-critical requirements for trust calibration.

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