REDEFINING UCD: UNDERSTANDING THE IMPACT OF TASK AND ENVIRONMENTAL VARIABLES ON USER DECISIONS
Abstract
The evolution of user interface (UI) design has increasingly focused on optimizing usability and scalability, driven by growing usage demands. User-Centered Design (UCD), which prioritizes user needs in all design decisions, has gained significant popularity. However, despite its widespread adoption, UCD has faced challenges such as subjectivity, unconstructiveness, and bias, leading to varied impacts across production teams. The lack of consensus on heuristic criteria in product evaluation often necessitates the adjustment of heuristic schemes to comprehensively assess products. This inconsistency results in issues in final products, highlighting the need to re-examine interaction processes and methodologies. This study, part of a broader research project aimed at developing a minimalistic interaction design model, seeks to understand the fundamental references users consider when interacting with machine interfaces. Involving 63 participants in a simple digital interaction task, the study captures and analyzes factors influencing decision-making in interactions. The findings justify and reaffirm the need to reconsider the organization of UCD processes, emphasizing the importance of incorporating environmental and task variables into the design process
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User-Centered Design (UCD), User interface (UI) design, Interaction design, Usability Heuristic evaluation]Downloads
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Copyright (c) 2024 Maria Elena Schmidt
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