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Usability Evaluation of Clinical Guidelines on the Web Using Eye-Tracker.
Soudabeh Khodambashi1, Heidi Gilstad1, Øystein Nytrø1
1Norwegian University of Science and Technology.
Studies in Health Technology and Informatics
|September 1, 2016
Summary
Website usability for clinical guidelines (GLs) correlates with user satisfaction. Eye-tracking revealed that time spent, clicks, and search function use impact satisfaction, highlighting the need for publishers to optimize GL website design.
Area of Science:
- Health Informatics
- Human-Computer Interaction
- Web Usability
Background:
- Clinical guidelines (GLs) are increasingly published online to enhance accessibility.
- However, the usability and user interaction with these GL websites remain under-evaluated.
- Understanding user behavior is crucial for improving online guideline delivery.
Purpose of the Study:
- To analyze user interaction with popular clinical guideline websites using eye-tracking technology.
- To evaluate the usability of these websites based on user behavior and task completion.
- To identify factors influencing user satisfaction and perceived success rates with GL websites.
Main Methods:
- Utilized Tobii eye-tracker to monitor user interactions with five prominent clinical guideline websites in Norway.
- Measured key metrics including mouse clicks, search function usage, task completion time, and objective/perceived task success rates.
- Assessed the learning effect for users with no prior experience on the tested platforms.
Main Results:
- A direct correlation was observed between user satisfaction with website usability and time spent, number of mouse clicks, and search function utilization.
- User-reported success rates were found to be unreliable indicators of actual task achievement.
- Ineffective website design elements such as presentation format, layout, navigation, and search functionality were identified as barriers.
Conclusions:
- User satisfaction with clinical guideline websites is significantly influenced by interaction metrics like time, clicks, and search use.
- Publishers must critically evaluate and optimize website design, including layout, navigation, and search capabilities.
- Relying solely on perceived success rates can be misleading; objective usability assessments are essential for improving online guideline accessibility and effectiveness.
