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Mobile usability analysis and mobile application refactoring

Grant number: 18/04754-3
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2018
Effective date (End): December 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Computer Science
Principal Investigator:Luiz Augusto Toledo Machado
Grantee:Regina de Moraes França
Home Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia, Inovações e Comunicações (Brasil). São José dos Campos , SP, Brazil
Associated research grant:15/14497-0 - Nowcasting of intense thunderstorms and understanding of the physical processes inside clouds: the SOS-CHUVA (Severe Weather Observation System), AP.PFPMCG.TEM


For every software or application it is necessary to design interfaces that facilitate user interaction and, consequently, allow the user to fulfill their goals during the interaction. Although there are guidelines for building interfaces for mobile applications, they often do not address subjective factors, such that the effectiveness of the messages/phrases used in interactions with users is unknown. To complement the application interface design, it is recommended to use usability assessments to identify design problems and analyze points of improvement in relation to user behavior. In this project, it is proposed to evaluate the usability of the SOS Chuva application through the Thinking Aloud method, the Nielsen heuristics and the golden rules of Shneiderman and Plaisant. After identifying the improvement points, the application will be refactored in order to improve the user experience. At the end, an analysis of users' perceptions regarding changes will be made. (AU)