MemoJog

User Trials

The system was evaluated with a group of elderly and memory-impaired users at the Oliver Zangwill Centre in Ely, Cambs. The selection criteria included that participants experienced progressive degenerative disorder problems but no major aphasia, visual problems, or severe general intellectual impairments. There were two field evaluations comprising of 6 participants in each evaluation. Different participants were used in each evaluation and were referred by health care professionals. The participants used the device for 12 weeks, after which the device was withdrawn again. These evaluations demonstrated that the users were receptive to the system and could use the device easily. Clients commented on the ease of use and the versatility of the device. They particularly like the different functionality the device provided (e.g., diary, phone book, appointments).

Clients also commented positively on the hardware (e.g., “It is easy to see what is on the screen while still being lightweight enough to carry.”). A number of negative comments related to coverage problems e.g. the inability to connect to the relevant website for entering data resulted in frustration to the clients and their carers. While attempting to use something they are unfamiliar with, when problems occur e.g. a non-responsive device, the client/carer is often unsure as to whether they are doing something wrong or not.

The users’ comments also expressed some hardware-related problems. The touch screen was not sensitive to button presses and occasionally they had to tap the screen a number of times before they could observe a response. Mobile devices tend to have a small screen that requires fine movements when entering a reminder which can be a problem for users with a tremor. The text size could prove a problem for users with poor vision. The devices also have a limited battery life and needed to be recharged at regular intervals.

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