Usability evaluation of an emergency department information system prototype designed using cognitive systems...

Area of Science:

• Human-Computer Interaction
• Health Informatics
• Cognitive Systems Engineering

Background:

• Emergency Department Information Systems (EDIS) are crucial for patient care tracking and resource management.
• Effective EDIS design requires understanding cognitive performance and usability for emergency medicine staff.
• Previous EDIS designs may not fully support the complex cognitive demands of emergency departments.

Purpose of the Study:

• To evaluate novel display concepts for an emergency department information system (EDIS).
• To assess the usability and cognitive support of EDIS displays designed using cognitive systems engineering methods.
• To identify differences in user perceptions based on professional roles (nurses vs. providers).

Main Methods:

• Utilized cognitive systems engineering methods for designing EDIS display concepts.
• Recruited emergency medicine staff to perform patient planning and orientation tasks.
• Collected user ratings on cognitive performance support, usability, usefulness, and predicted frequency of use for 18 EDIS components.

Main Results:

• Mean user ratings were positive for cognitive performance support, usability, usefulness, and frequency of use.
• The novel EDIS concepts demonstrated successful application of design methods.
• Significant differences were found in the perceptions of usability and usefulness between nurse and provider roles.

Conclusions:

• The developed EDIS display concepts are useful, usable, and provide cognitive support for emergency medicine staff.
• Cognitive systems engineering methods are effective for designing advanced EDIS.
• Recognizing differing information needs between user roles is essential for optimizing EDIS design and implementation.