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Representing older and disabled people in virtual user trials: data collection methods
D E Gyi1, R E Sims, J M Porter
1Department of Human Sciences, Loughborough University, Leicestershire LE11 3TU, UK. d.e.gyi@lboro.ac.uk
Applied Ergonomics
|July 13, 2004
Summary
A new database and computer tool help design teams assess product usability early in prototyping. This system identifies individuals, including older adults and disabled people, who might be excluded by design choices.
Area of Science:
- Human-Computer Interaction
- Ergonomics and Human Factors
- Inclusive Design
Background:
- Traditional design processes often overlook diverse user needs, leading to exclusion.
- Early-stage usability evaluation is crucial for inclusive product development.
- A gap exists in tools that quantitatively assess user exclusion during early design.
Purpose of the Study:
- To develop a database and computer-based tool for early-stage usability evaluation.
- To identify individuals excluded or "designed out" by product designs.
- To promote empathy with diverse users throughout the design process.
Main Methods:
- Collected multivariate data from 100 individuals representing diverse physical characteristics and capabilities.
- Ensured representation of older adults and disabled individuals.
- Conducted virtual user trials within a computer-aided design environment.
Main Results:
- A database supporting a computer tool for usability evaluation was created.
- The tool assesses generic abilities like bending, reaching, and lifting.
- Virtual trials demonstrated the tool's potential for identifying design exclusions.
Conclusions:
- The developed tool enhances empathy with individual users.
- It enables early identification of potential user exclusion in design.
- This approach supports more inclusive and accessible product design.