The HCI Imperative: Why User Experience is a Matter of Patient Safety and Health Equity
Calling HCI professionals into health research: patient safety and health equity at stake
2018-11-29
Summary
Problem
Method
Results
Takeaways
Abstract
This paper serves as a call to action for Human-Computer Interaction (HCI) professionals to integrate deeply into multidisciplinary e-health research. It emphasizes that HCI expertise is vital for ensuring patient safety and health equity in digital interventions like games, VR, and electronic health records (EHR).
## TL;DR
Good design in healthcare isn't a luxury—it's a clinical necessity. This paper argues that the exclusion of HCI professionals from the core of health research has led to dangerous, unusable medical software and missed opportunities in digital therapeutics. By adopting a transdisciplinary "Team Science" approach, we can move beyond "prescription-based" software toward compassionate, effective, and equitable digital health.
## The Crisis: When Bad Design Equals Bad Medicine
Modern healthcare is increasingly digital, yet the systems clinicians and patients use are often fundamentally broken. The authors point to the **Electronic Health Record (EHR)** as a primary example of "shameful" user experience.
The problem is twofold:
1. **The Disconnect**: Clinical researchers often view HCI as "making things look pretty" at the end of a project, rather than a fundamental research discipline.
2. **The Result**: Software that requires too many clicks, hides critical patient data, and leads to physician "alert fatigue"—all of which directly threaten patient safety.
## Methodology: Transdisciplinary Team Science
The authors argue that we must move beyond simple "interdisciplinary" work (where disciplines sit in silos) to **Transdisciplinary Research**. This involves:
* **Lifecycle Integration**: HCI should be involved from formative research (observational studies) through summative research (clinical trials).
* **Climbing the "Tower of Babel"**: Overcoming the semantic gap between fields (e.g., what a "pilot study" means to a developer vs. a clinician).
* **Beyond the "Recipe"**: Moving away from post-hoc usability checklists and toward talented, human-centered design leadership.
*Note: The paper emphasizes that HCI expertise must span the entire translational continuum, from early discovery to pragmatic trials.*
## Design as Policy and Ethics
A core insight of this paper is that **Design is Policy-Making**. When an EHR designer decides how social determinants of health (like housing or food security) are captured, they are effectively setting healthcare policy.
The authors invoke the philosophy of **Epicurus**—specifically the concept of *ataraxia* (the absence of unnecessary suffering). In the context of VR and games for health:
* **Hedonic Pleasure vs. Addiction**: We must design for engagement (pleasure) to ensure intervention adherence but remain ethically vigilant against addiction, particularly in vulnerable populations.
* **Health Equity**: If we don't include diverse stakeholders through **Participatory Design**, the resulting technology will inherently favor the "default" user, further marginalizing those already at risk.
## Critical Insight: The "Science of Team Science"
The paper doesn't just ask for better UI; it asks for a seat at the table of the **Science of Team Science**. It highlights that HCI professionals can provide critical metrics (engagement, usability, entertainment efficacy) that act as "mediators or moderators" of behavior change. Without these metrics, a clinical trial might "fail" simply because the software was too boring or difficult to use, not because the underlying medical theory was wrong.
## Conclusion & Future Outlook
The call to action is clear: HCI professionals must leave their comfort zones and enter the clinical arena.
**Takeaways for the Industry:**
* **For Researchers**: Budget for HCI experts at the *proposal* stage, not the *deployment* stage.
* **For Designers**: Recognize that your interface choices in a health app are ethical decisions that impact health outcomes.
* **For Policy Makers**: Standardize usability as a core requirement for healthcare software certification.
Success in digital health requires more than just code and clinical data; it requires **compassionate design** that respects the human experience of suffering and recovery.