Sandra Souza Rodrigues

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OBJECTIVE To examine the changes in Portuguese household food availability from 1990 to 1995. DESIGN Using the DAta Food NEtworking (DAFNE) classification scheme for nutritional and socio-economic variables, data from the Portuguese Household Budget Surveys collected in 1989/90 and 1994/95 were analysed. The mean availability (quantity person(-1) day(-1))(More)
This paper presents the results concerning an update of a previous mapping study about usability heuristics applied in Heuristic Evaluation of mobile usability. Heuristic Evaluation is a popular method of usability evaluation, and its applicability to inspect the mobile usability may be improved by the development of context and audience specific(More)
Population ageing represents an opportunity and a challenge for Gerontechnology innovation. The usability should be considered in the design of applications on mobile devices for older users because as we age, cognitive functions begin to decline and older people may have more difficulty to cope with managing a eventfully daily routine, even those(More)
Despite potential for preventing social isolation and loneliness, providing health care access and other benefits, older persons tend to be less receptive to digital devices. Elderly people frequently appoint complex interface and perceived usefulness as cause for not using health-related ICT. There is little information about preferences and interests of(More)
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