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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
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Summary
This summary is machine-generated.

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.

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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.