The informatics nurse is reviewing usability tests to examine the effectiveness, efficiency, or satisfaction of components and interactions in the human—computer interaction framework. Which usability test should the nurse use?
A) Identifying appropriate hours to offer patients sleep medication
B) Completing a longitudinal study of nursing effectiveness during lunch hours
C) Exploring time management strategies in central supply
D) Describing the satisfaction with a new computerized provider order entry (CPOE) application.
D) Describing the satisfaction with a new computerized provider order entry (CPOE) application.
Explanation: A) Usability studies can be simple or complex. Usability studies can be done at any point in the expanded systems life cycle, from clarifying users' requirements, to initial design or redesign using paper prototypes or simple computerized applications, to iterative prototype development, system selection, product customization, or evaluating the impact of a system during and after installation. Identifying hours to offer sleep medication is not a usability test.
B) Usability studies can be simple or complex. Usability studies can be done at any point in the expanded systems life cycle, from clarifying users' requirements, to initial design or redesign using paper prototypes or simple computerized applications, to iterative prototype development, system selection, product customization, or evaluating the impact of a system during and after installation. Studying nursing effectiveness during lunch hours is not a usability test.
C) Usability studies can be simple or complex. Usability studies can be done at any point in the expanded systems life cycle, from clarifying users' requirements, to initial design or redesign using paper prototypes or simple computerized applications, to iterative prototype development, system selection, product customization, or evaluating the impact of a system during and after installation. Exploring time management strategies is not a usability test.
D) Usability studies are considered methods to identify efficiency and effectiveness of the system.
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