O presente estudo teve como objetivo desenvolver um modelo descritivo para interfaces de aplicativos em smartphones. Para tanto, inicialmente, realizamos uma revisão da literatura e análise de modelos existentes. Em seguida, sintetizamos os parâmetros encontrados em uma estrutura baseada em Garrett (2011). Por fim, avaliamos a proposta de modelo com estudantes e professores de Design, cujos resultados nos informaram sobre as correções necessárias a serem implementadas na a versão final do modelo. This study aimed to develop a descriptive model for smartphone app interfaces. In order to achieve such, initially, we carried out a literature review and analyzed existing models and frameworks. After that, we synthesized the parameters in a structured based upon Garrett (2011). Finally, the model proposal was evaluated with Design students and teachers, whose results served to inform us on which corrections needed to be implemented in the model’s final version.
O que mudou na navegação? um estudo comparativo entre computadores fixos e dispositivos de interação móvel Resumo: Este estudo objetivou caracterizar o sistema de navegação em dispositivos de interação móvel do tipo smartphone, e compará-lo com sistemas de navegação em computadores fixos. Para tanto, inicialmente, revisamos a literatura no que se refere aos elementos de interface de dispositivos de interação móvel e sistemas de navegação. Em seguida, identificamos 5 categorias macro do sistema de navegação, para orientar o estudo comparativo. Por fim, exemplificamos as comunalidades e diferenças entre os diversos subsistemas de navegação nos dois tipos de computador.
The present study aims to explore the usage of portable fire extinguisher's usability from the interaction with non-specialists in emergency context. Has been noticed an absence of Brazil's proper education regarding procedures for fires, evidencing the need for portable fire extinguishers to induce intuitive usage and to improve the usability by users. Were also explored ergonomic factors, such as effort to complete the task and user's perception of discomfort. In order to simulate the emergency context, a usability test was applied with addition stress stimuli. The study allows to conclude that the portable fire extinguisher evaluated present a low level of intuitive use induction, revealing the need to state better standards from Brazilian authorities towards the label and handles of this product. This paper presents the importance of evaluating ergonomic and intuitive factors related to products required on emergency contexts. This study conducted in Brazil is the starting point for other research that explore the theme and aim to improve these devices, assisting designers to take into account aspects of intuitive use and ergonomic principles during the configuration of industrial products.
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