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All Journal JOIV : International Journal on Informatics Visualization Computer Science and Information Technologies
Bakar, Zuriana Abu
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Computer Science & IT Engineering

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A Model for Classification Usability Testing Practically from the Agile Methodology Aspect Salman, Fouad; Baluch, Bakhtawar; Bakar, Zuriana Abu
JOIV : International Journal on Informatics Visualization Vol 9, No 1 (2025)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/joiv.9.1.2459

Abstract

Usability is a crucial feature in the success of software products. Development practitioners know that to preserve and improve the quality of the product and usability has to be carefully considered throughout the development process. The tendency toward empowering users in software development drives the ongoing pursuit of solutions to reconcile agile and usability goals. In this paper, the authors aim to develop a model for classifying usability testing methods according to aspects of agile methodologies. This model can enable agile practitioners to obtain end-user feedback when implementing usability tests at the appropriate time and place during development and thus produce useful and usable software. Mixed methods (qualitative and quantitative) were used in this research to collect primary and secondary data. This research adopted the convenience non-probability sampling technique for evaluating the model.  The evaluation determines whether it could provide valuable information supporting consistent usability tests. The method of performance profiles is also applied in this evaluation to gain accurate results and avoid any biases that might unnecessarily affect the outcomes. The evaluation results were encouraging, and the model showed beneficial effects in integrating usability work into an agile approach, especially since all attributes showed high importance among participants' accepted satisfaction, representing the least essential scale. The developed model must be applied practically to the other integration models in future work. Furthermore, several observation techniques are required to thoroughly cover the integration by software development teams from diverse organizations. 
Visualisation for ontology sense-making: A tree-map based algorithmic approach Vidanage, Kaneeka; Mohamad Noor, Noor Maizura; Mohemad, Rosmayati; Bakar, Zuriana Abu
Computer Science and Information Technologies Vol 2, No 3: November 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/csit.v2i3.p147-157

Abstract

Ontology sense-making or visual comprehension of the ontological schemata and structure are vital for cross-validation purposes of the ontology increment during the process of applied ontology construction. Also, it is important to query the ontology in order to verify the accuracy of the stored knowledge embeddings. This will boost the interactions between domain specialists and ontologists in applied ontology construction processes. Hence existing mechanisms have numerous of deficiencies (discussed in the paper), a new algorithm is proposed in this research to boost the efficiency of usage of tree-maps for effective ontology sense making. Proposed algorithm and prototype are quantitatively and qualitatively assessed for their accuracy and efficacy.
Analysis of Web-based Learning Interface Design based on Experts’ Verification for Higher Education Bakar, Zuriana Abu; Salim, Fatin Sarah; Zainuddin, Nor Fatin Farzana; Noor, Noor Maizura Mohamad; Mohemad, Rosmayati
JOIV : International Journal on Informatics Visualization Vol 5, No 2 (2021)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/joiv.5.2.410

Abstract

Recently, the Web-based learning (WBL) platform, particularly for higher education, has become more crucial due to the Covid-19 pandemic. Thus, due to the increased use of WBL   in higher education, an effective WBL interface design for higher education is truly important in order to attract students to use WBL and to further keep them engaged during learning via the Web-based platform. Therefore, the aim of this study was to determine the aesthetics of web interfaces based on experts’ opinions. This study adopted a quantitative research approach involving a data-gathering survey. Fifteen (15) WBL interfaces were designed based on nine (9) design principles which were balance, proportion, simplicity, alignment, movement, hierarchy, consistency, contrast, and proximity. The results of this study discovered that nine (9) WBL interfaces were determined by the experts as aesthetic interfaces, five (5) WBL interfaces as non-aesthetic and 1 (one) WBL interface was considered neither aesthetic nor non-aesthetic. This finding revealed that six (6) out of nine (9) interfaces had the balance design principle. However, balance was also in most non-aesthetic interfaces. A possible reason that balance was the most design principle in both the aesthetic and the non-aesthetic interfaces is that when designing WBL interfaces, there is a need to consider the combination of the design principles as a whole, and not count the design principles individually. In conclusion, this study's findings could contribute to the knowledge in the Human Computer Interaction domain, specifically in the interface design area.
Co-Authors Baluch, Bakhtawar Mohamad Noor, Noor Maizura Mohemad, Rosmayati Noor, Noor Maizura Mohamad Salim, Fatin Sarah Salman, Fouad Vidanage, Kaneeka Zainuddin, Nor Fatin Farzana