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Using a 'value-added' approach for contextual design of geographic information
1Loughborough Design School, Loughborough University, Ashby Road, Loughborough LE11 3TU, UK. a.j.may@lboro.ac.uk
Applied Ergonomics
|November 27, 2012
Summary
This study shows that adding specific geographic information to navigation systems can improve driver performance and confidence. A value-added approach enhances user-centered design for better geographic information systems.
Area of Science:
- Information Science
- Human-Computer Interaction
- Geographic Information Science
Background:
- User-centered design is crucial for effective geographic information systems.
- Traditional navigation systems may not provide optimal geographic information for all driving contexts.
- Quantifying the 'value' of information is key to improving user outcomes.
Purpose of the Study:
- To demonstrate a 'value-added' approach for user-centered design of geographic information.
- To explore how enhanced geographic information impacts driver performance and confidence.
- To identify opportunities for improving navigation systems through information science principles.
Main Methods:
- A user study involving 16 drivers navigating an urban route using modified satellite navigation instructions.
- Collection of data on driving errors, navigation errors, and driver confidence.
- Analysis of driver performance variation based on geographic context and information provided.
Main Results:
- Driver performance varied significantly depending on the specific geographic context and information provided.
- Opportunities exist to enhance geographic information to improve user performance.
- The 'value' of information directly correlates with improved outcomes in specific scenarios.
Conclusions:
- A value-added approach enables a focused design on desired end-user performance levels.
- This approach is effective for user-centered design of geographic information.
- Enhanced geographic information can lead to significant improvements in navigation system effectiveness.
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