Making technologies age-friendly Clause Samples

Making technologies age-friendly. The first things to consider when designing for older adults are their needs and limitations. According to ▇▇▇▇ et al. (2004) there are two main themes in the design recommendations:  Capitalising on the knowledge and capabilities of the user group.  Providing environmental support for the limitations of the user group. Table 5 shows some generally accepted principles that can serve as an initial starting point for system designers. In order to make a system as optimal as possible for older people (and other groups) the principles of compatibility, consistency, error recovery, feedback, individualisation, memory, structure and workload must be incorporated in the design. For example, understanding the labels that users have for functions, the ways in which they organise information, their expectations about how systems work, and their experience with similar systems will all contribute to the development of systems that are usable by that population. Compatibility System design should be compatible with user expectations A knob turned clockwise results in an increase in something; counter- clockwise results in a decrease Consistency Location of items should be the same across screens; similar functions should act the same throughout the system Save or home button should be in the same location on every screen; cancel button should always result in the same action Error recovery Expect users to make errors and make recovery easy Provide an “undo” option and meaningful error messages Feedback Results of actions should be clear Provide status information such as an hourglass to indicate processing Individualisation Enable the user to tailor the system to individual capabilities and preferences Flexibility in display characteristics such as size of icons; more than one option to perform a task (e.g., menu versus control keys) Memory The user’s memory should not be overloaded; memory aids should be provided Do not require multiple meaningless steps to perform an action (CTRL-F- Q-L-R); provide labels to support memory Structure Provide structure to support performance System layout chart; site map; organised displays Workload Reduce information processing requirements of user Organise displays and highlight critical information to reduce need for scanning
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