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Design de interação para dispositivos móveis como ferramenta de apoio a pesquisas

Mobile devices have been used as an important tool for data collection by surveys institutes of all over the world. They have replacing the traditional questionnaire of paper by this technology. The innovation makes it possible to reduce the period before the dissemination of results and also minimizes human errors while filling forms, among other advantages. IBGE was one of the first institutes to use PDA for this purpose in 2007 with Census and PNAD surveys. In PNAD survey the replacement of a tool demanded a study of the interaction interface, since the new system allowed the inclusion of facilitating elements. Several user teams were available to use the new tool and share their experiences and needs in a cooperative evaluation. The change has succeeded all over Brazil. Nevertheless, the interface design can still be improved for future surveys.