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Interface Design for Products for Users with Advanced Age and Cognitive Impairment
1Department of Applied Arts, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
International Journal of Environmental Research and Public Health
|February 25, 2022
Summary
Older adults and those with cognitive impairment need simpler product designs. Key needs include fewer buttons, larger text, and direct or voice-controlled interfaces for daily living products.
Area of Science:
- Gerontology
- Human-Computer Interaction
- Cognitive Science
Background:
- Advanced age and cognitive impairment present unique challenges for product usability.
- Daily living products often fail to meet the specific needs of older adults and individuals with mild cognitive impairment (MCI) or mild dementia.
- Understanding user needs is crucial for designing accessible and functional products.
Purpose of the Study:
- To investigate the design and operational challenges faced by older adults and individuals with cognitive impairment when using daily living products.
- To identify specific user needs related to product interface design and functionality for this demographic.
- To gather user-recommended solutions for improving product accessibility.
Main Methods:
- Focus group interviews with a control group of older adults.
- Interviews with individuals diagnosed with MCI or mild dementia.
- Utilized television remote controls and electric rice cookers as case study products.
Main Results:
- Control participants emphasized the need for non-complex procedures, a limited number of functions/buttons, and enlarged text/buttons.
- Participants with MCI or mild dementia identified complexity of operating procedures as a significant barrier, in addition to button/text size and function count.
- Both groups highlighted the impact of interface complexity on product operation.
Conclusions:
- Product interface design for older adults and those with cognitive impairment must prioritize simplicity and clarity.
- Direct operation and voice control interfaces are recommended solutions to enhance usability.
- Future product development should incorporate user-centered design principles addressing the needs of aging populations and individuals with cognitive decline.
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