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Abstract(s)
Type 2 diabetes is one of the most common diseases, causing various impacts on pa tients’ quality of life, burdening healthcare systems, and resulting in significant economic
costs.
This work is part of the VA—PREVENTION project, funded by the Foundation
for Science and Technology (FCT), which aims to help prevent this condition by pro moting behavioral changes in diet and physical activity among at-risk individuals. The
VA—PREVENTION application was developed to create conversation simulations be tween a user and a virtual character (Ema), thus helping users adopt healthier lifestyle
habits.
This project involved two main phases. The first was the development of applica tion prototypes and the integration of functionalities outlined by VA—PREVENTION.
This required a preliminary study on architectures to determine the most suitable for the
project. Additionally, configuring the server was an important task to ensure everything
functioned smoothly. The second phase involved conducting usability studies of the ap plication through metrics such as efficiency, effectiveness, and user satisfaction. These
usability tests were carried out through interviews that followed a Think-Aloud protocol.
At the end of the interviews, questionnaires (demographic, PSSUQ) were completed to
gather relevant data for determining the usability level.
This document describes the project’s development process, the methodologies used
in usability testing, and their results.
Thus, this work not only enabled the development of an innovative tool for diabetes
prevention but also provided valuable experience in developing health technology projects
within a multidisciplinary team.
Description
Trabalho de Projeto de Mestrado, Informática, 2025, Universidade de Lisboa, Faculdade de Ciências
Keywords
Aplicação Web Usabilidade Mudança Comportamental Prevenção da Diabetes Simulação Virtual Teses de mestrado - 2025