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Usability Testing a Potentially Inappropriate Medication Dashboard: A Core Component of the Dashboard Development
Regina Richter Lagha1, Zachary Burningham2,3, Brian C Sauer2,3
1Veterans Affairs Greater Los Angeles Medical Center, Geriatric Research Education and Clinical Center, Los Angeles, California, United States.
Applied Clinical Informatics
|August 14, 2020
Summary
Direct observation and think-aloud techniques revealed functional issues in a clinical dashboard missed by surveys. This structured usability testing improved system intuitiveness and clarity for quality improvement initiatives.
Area of Science:
- Health Informatics
- Human-Computer Interaction
- Clinical Quality Improvement
Background:
- Clinical dashboard reporting systems are increasingly used for patient panel monitoring.
- Ensuring accuracy and intuitiveness of these systems is crucial for clinical users.
- Usability evaluation often relies on questionnaires, potentially overlooking critical functional issues.
Purpose of the Study:
- To describe the usability testing process of a potentially inappropriate medication (PIM) clinical dashboard.
- To evaluate the usability of the PIM dashboard using direct observation and think-aloud techniques with clinicians.
- To inform the development of user-friendly clinical dashboard systems for quality improvement.
Main Methods:
- A structured interview protocol combining virtual observation, think-aloud moderation, and retrospective questioning was developed.
- The System Usability Scale (SUS) was used alongside qualitative methods.
- Thematic analysis was applied to field notes from interviews with three Geriatric Scholars Program (GSP) alumni.
Main Results:
- The structured usability testing approach identified specific functional problems missed by the SUS.
- Usability testing led to improvements in the dashboard's intuitive use and data transparency.
- The purpose and clarity of the dashboard were enhanced through the testing process.
Conclusions:
- Sole reliance on end-stage questionnaires can mask functional problems and lead to misinterpretation.
- Structured usability testing during the developmental phase is essential for creating effective clinical systems.
- This approach aids developers in creating intuitive systems for displaying information and tracking outcomes for quality improvement.
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