How to Improve Usability in Open-Source Software Projects? An Analysis of Evaluation Techniques Through a Multiple Case Study
Open-source software has experienced steady growth, driving increased research. However, open-source communities still need standardized processes to ensure software quality, and their characteristics make it challenging to adopt many usability techniques from human–computer interaction directly. Ou...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-01-01
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| Series: | Informatics |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2227-9709/12/1/12 |
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| Summary: | Open-source software has experienced steady growth, driving increased research. However, open-source communities still need standardized processes to ensure software quality, and their characteristics make it challenging to adopt many usability techniques from human–computer interaction directly. Our study aims to adapt and evaluate the feasibility of three usability evaluation techniques—cognitive walkthrough, formal usability testing, and thinking aloud—across three open-source projects (Code::Blocks, Freeplane, and Scribus) from the development team’s perspective. We participated as volunteers in these projects, employing a multiple case study method. We found that usability techniques were not systematically adopted, and procedures specific to open-source projects were lacking. We also identified adverse conditions, such as limited user participation, that hindered adoption. We proposed adaptations to each technique and formalized procedures to address these challenges and apply them in open-source contexts. Additionally, we developed a framework for integrating usability evaluation into OSS projects. To address this, we detailed our framework’s phases, tasks, and artifacts to ensure reusability and adaptability across OSS contexts, providing practical steps for implementation and future validations. In conclusion, usability techniques must be adapted for open-source software, considering the projects’ unique characteristics and philosophy. Although obstacles exist, such as user participation, applying adapted usability techniques in open-source projects is feasible. |
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| ISSN: | 2227-9709 |