Fitts' law as a research and design tool in human-computer interaction
Human-Computer Interaction
Gestural interfaces for elderly users: help or hindrance?
GW'09 Proceedings of the 8th international conference on Gesture in Embodied Communication and Human-Computer Interaction
Feasibility study of a robotic medication assistant for the elderly
AUIC '11 Proceedings of the Twelfth Australasian User Interface Conference - Volume 117
Effects of Target Expansion on Selection Performance in Older Computer Users
ACM Transactions on Accessible Computing (TACCESS)
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The increase of a "graying" society is apparent in recent decades and as such, the attention of marketing and product design is more and more focused on older users of technical devices. The study addresses the relevance of hardware and software design in human-computer interaction of older users. It was found that performance significantly increased (up to 3 times) with easier sensumotor transformation and easier task type. However, this was more prominent in middle-aged users than in younger users. Task difficulty revealed a rather unspecific impact on performance (43%), and was equally apparent in both age groups. Recommendations derived from this review show that older users will profit most from touch based or mouse operated interfaces. Additionally, easy icon and menu designs are often missed and will become more and more important for older users.