Ergonomic Design of Computerized Devices for Elderly Persons - The Challenge of Matching Antagonistic Requirements

Goebel, Matthias

doi:10.1007/978-3-540-73279-2_100

Cited by 3 publications

(2 citation statements)

References 3 publications

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“…Resource Manager: todos os recursos que uma aplicação irá usar como áudio, vídeo e arquivos XML são separados dela com o intuito de que sejam otimizados para ocupar menos espaço e demorar menos tempo para que sejam carregados. (2007), Nielsen (2002) P7 Barra de rolagem Hellman (2007) P8 Tempo da sessão Hellman (2007) P9 Feedback Hellman (2007), Goebel (2007) P10 Ajuda Hellman (2007) P11 Tamanho de fonte Nielsen (2002), Goebel (2007) (MACLEAN et al, 1990;PARK et al, 2007). Alguns trabalhos trazem diretrizes para a concepção de interfaces para pessoas idosas (HELLMAN, 2007) Mundo Físico: as questões sobre essa camada estão relacionadas com o hardware que suporta o sistema, incluindo as rotas sobre as quais a informação é transmitida e também a capacidade da rota.…”

Section: Dispositivos Móveisunclassified

“…Quando a interface é mais complexa, se o usuário não entende o conceito de serviços móveis, tais como mensagens de SMS (Short Message Service), o problema se agrava. De maneira semelhante, o reduzido tamanho dos elementos na tela que dificulta o acesso; e a complexa hierarquia de menus de um celular aumenta a dificuldade para navegar pelas funções do telefone, pois coloca uma demanda elevada em lembrar a sequência de ações (GOEBEL, 2007).…”

Section: Introductionunclassified

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Um estudo sobre o design, a implementação e a avaliação de interfaces flexíveis para idosos em telefones celulares

Gonçalves¹

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The elderly population grows in Brazil and this fact increases the need to develop appropriate information and communication technologies to the public. As cell phones are getting cheaper, many families would like their elderly to be users of these devices aiming to have contact with them when they are out of their homes. However, the current cell phones design favors the younger people, not considering the different needs of the elderly population. At the most, even in the elderly population, there are differences regarding education, experience with technology, cognitive abilities and physical prowess. This dissertation argues for the design, implementation and evaluation of interfaces that are flexible to meet the diverse requirements of the elderly in the interaction with cell phones. One approach to the design of flexible user interfaces was applied in a case study and, considering the results of a practice with elderly users, a set of norms which define the design of the system flexible behavior was specified. This dissertation proposes and presents a framework that provides the interface reconfiguration during the interaction time, named FlexInterface. This framework addresses the concept of interface elements as components that are loaded, instantiated and destroyed when requested. Furthermore, this dissertation also brings an approachthat supports the evaluation of flexible interfaces for the elderly in mobile phones. The proposed analytical approach presents heuristics for this specific context of use. Finally, an assessment with elderly people was performed to verify the feasibility of the proposal. This study found that there was a reduction in the interaction time with the use of flexible interface and an increase in the users' satisfaction.

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Section: Dispositivos Móveisunclassified

Section: Introductionunclassified

Um estudo sobre o design, a implementação e a avaliação de interfaces flexíveis para idosos em telefones celulares

Gonçalves¹

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Providing adaptive smartphone interfaces targeted at elderly people: an approach that takes into account diversity among the elderly

Gonçalves

Neris

Seraphini

et al. 2015

Univ Access Inf Soc

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Supporting Cancer Patients in Illness Management: Usability Evaluation of a Mobile App

Mirković¹,

Kaufman²,

Ruland³

2014

JMIR mHealth uHealth

130

112

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BackgroundMobile phones and tablets currently represent a significant presence in people’s everyday lives. They enable access to different information and services independent of current place and time. Such widespread connectivity offers significant potential in different app areas including health care.ObjectiveOur goal was to evaluate the usability of the Connect Mobile app. The mobile app enables mobile access to the Connect system, an online system that supports cancer patients in managing health-related issues. Along with symptom management, the system promotes better patient-provider communication, collaboration, and shared decision making. The Connect Mobile app enables access to the Connect system over both mobile phones and tablets.MethodsThe study consisted of usability tests of a high fidelity prototype with 7 cancer patients where the objectives were to identify existing design and functionality issues and to provide patients with a real look-and-feel of the mobile system. In addition, we conducted semistructured interviews to obtain participants’ feedback about app usefulness, identify the need for new system features and design requirements, and measure the acceptance of the mobile app and its features within everyday health management.ResultsThe study revealed a total of 27 design issues (13 for mobile apps and 14 for tablet apps), which were mapped to source events (ie, errors, requests for help, participants' concurrent feedback, and moderator observation). We also applied usability heuristics to identify violations of usability principles. The majority of violations were related to enabling ease of input, screen readability, and glanceability (15 issues), as well as supporting an appropriate match between systems and the real world (7 issues) and consistent mapping of system functions and interactions (4 issues). Feedback from participants also showed the cancer patients’ requirements for support systems and how these needs are influenced by different context-related factors, such as type of access terminal (eg, desktop computer, tablet, mobile phone) and phases of illness. Based on the observed results, we proposed design and functionality recommendations that can be used for the development of mobile apps for cancer patients to support their health management process.ConclusionsUnderstanding and addressing users’ requirements is one of the main prerequisites for developing useful and effective technology-based health interventions. The results of this study outline different user requirements related to the design of the mobile patient support app for cancer patients. The results will be used in the iterative development of the Connect Mobile app and can also inform other developers and researchers in development, integration, and evaluation of mobile health apps and services that support cancer patients in managing their health-related issues.

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Ergonomic Design of Computerized Devices for Elderly Persons - The Challenge of Matching Antagonistic Requirements

Cited by 3 publications

References 3 publications

Um estudo sobre o design, a implementação e a avaliação de interfaces flexíveis para idosos em telefones celulares

Um estudo sobre o design, a implementação e a avaliação de interfaces flexíveis para idosos em telefones celulares

Providing adaptive smartphone interfaces targeted at elderly people: an approach that takes into account diversity among the elderly

Supporting Cancer Patients in Illness Management: Usability Evaluation of a Mobile App

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