The proportion of older adults in the population is rapidly increasing and the proportion of younger adults to care for them is decreasing. Part of the solution to support older adults in living independently is to provide them with appropriate assistive technologies. To develop technologies that are effective for older adults we need methodologies that are appropriate for working with this user group. Yet there is little systematic research on how to work with older adults and how to adapt methods already used with younger adults. This paper reports on three case studies which investigated the use focus groups, expert evaluations and user evaluations with older adults. In the case of focus groups, the size of the focus group was investigated; for expert evaluations, an existing set of heuristics for evaluating apps for older adults was investigated; for user evaluations, a low-fidelity prototype design was evaluated using think-aloud protocols.
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