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Usability laboratory as the last outpost before implementation - lessons learnt from testing new patient record

Gry Seland¹, Inger Dybdahl Sørby

¹Department of Computer and Information Science, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway. gry.seland@idi.ntnu.no

Studies in Health Technology and Informatics

|September 12, 2009

Summary

This summary is machine-generated.

Laboratory-based usability tests serve as a crucial final check before deploying clinical IT systems. Proper setup, including realistic patient cases and complete data, ensures valid results for successful implementation.

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Area of Science:

Health Informatics
Human-Computer Interaction
Clinical Systems Engineering

Background:

Implementing clinical IT systems is complex and resource-intensive.
Usability testing is vital for ensuring the successful adoption of healthcare technologies.
Previous methods may not adequately prepare systems for real-world clinical settings.

Purpose of the Study:

To demonstrate the value of laboratory-based usability tests as a final checkpoint before clinical IT system rollout.
To provide actionable recommendations for conducting effective usability tests for implementation-ready systems.
To share lessons learned from real-world usability testing scenarios.

Main Methods:

Conducted two laboratory-based usability tests of a new medication module in a simulated hospital ward environment.
Utilized a controlled setting with nurses and physicians simulating key clinical workflows (pre-round meeting, ward round, medication administration).
Focused on evaluating the system's readiness for actual clinical implementation.

Main Results:

The specifics of the test environment significantly impact the validity of results for clinical IT systems.
Tailoring patient cases to participants' clinical specialties is essential for accurate assessment.
Complete and accurate patient data within the system is critical for realistic testing.
Simulated patients must comprehend patient histories and medical problems for effective role-playing.

Conclusions:

Laboratory-based usability testing is an effective final validation step for clinical IT systems.
Meticulous attention to test scenario details, participant adaptation, and data integrity enhances usability test validity.
These findings offer practical guidance for optimizing the implementation of clinical IT solutions.