Journal of Information Systems Engineering and Management

Heuristic Evaluation and Usability Testing of G-MoMo Applications
Guma Ali 1 * , Mussa Ally Dida 1, Anael Elikana Sam 2
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1 Department of Information Technology Development and Management, Nelson Mandela African Institution of Science and Technology (NM-AIST), Tanzania
2 Department of Communication Science and Engineering (CoSE), Nelson Mandela African Institution of Science and Technology (NM-AIST), Tanzania
* Corresponding Author
Research Article

Journal of Information Systems Engineering and Management, 2022 - Volume 7 Issue 3, Article No: 15751
https://doi.org/10.55267/iadt.07.12296

Published Online: 29 Jul 2022

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How to cite this article
APA 6th edition
In-text citation: (Ali et al., 2022)
Reference: Ali, G., Dida, M. A., & Sam, A. E. (2022). Heuristic Evaluation and Usability Testing of G-MoMo Applications. Journal of Information Systems Engineering and Management, 7(3), 15751. https://doi.org/10.55267/iadt.07.12296
Vancouver
In-text citation: (1), (2), (3), etc.
Reference: Ali G, Dida MA, Sam AE. Heuristic Evaluation and Usability Testing of G-MoMo Applications. J INFORM SYSTEMS ENG. 2022;7(3):15751. https://doi.org/10.55267/iadt.07.12296
AMA 10th edition
In-text citation: (1), (2), (3), etc.
Reference: Ali G, Dida MA, Sam AE. Heuristic Evaluation and Usability Testing of G-MoMo Applications. J INFORM SYSTEMS ENG. 2022;7(3), 15751. https://doi.org/10.55267/iadt.07.12296
Chicago
In-text citation: (Ali et al., 2022)
Reference: Ali, Guma, Mussa Ally Dida, and Anael Elikana Sam. "Heuristic Evaluation and Usability Testing of G-MoMo Applications". Journal of Information Systems Engineering and Management 2022 7 no. 3 (2022): 15751. https://doi.org/10.55267/iadt.07.12296
Harvard
In-text citation: (Ali et al., 2022)
Reference: Ali, G., Dida, M. A., and Sam, A. E. (2022). Heuristic Evaluation and Usability Testing of G-MoMo Applications. Journal of Information Systems Engineering and Management, 7(3), 15751. https://doi.org/10.55267/iadt.07.12296
MLA
In-text citation: (Ali et al., 2022)
Reference: Ali, Guma et al. "Heuristic Evaluation and Usability Testing of G-MoMo Applications". Journal of Information Systems Engineering and Management, vol. 7, no. 3, 2022, 15751. https://doi.org/10.55267/iadt.07.12296
ABSTRACT
Financial technology (FinTech) has swiftly revolutionized mobile money as one of the ways of accessing financial services in developing countries. Numerous mobile money applications were developed to access mobile money services but are hindered by severe authentication security challenges, thus, forcing the researchers to design a secure multi-factor authentication (MFA) algorithm for mobile money applications. Three prototypes of native mobile money applications (G-MoMo applications) were developed to confirm that the algorithm provides high security and is feasible. This study, therefore, aimed to evaluate the usability of the G-MoMo applications using heuristic evaluation and usability testing to identify potential usability issues and provide recommendations for improvement. Heuristic evaluation and usability testing methods were used to evaluate the G-MoMo applications. The heuristic evaluation was carried out by five experts that used the 10 principles proposed by Jakob Nielsen with a five-point severity rating scale to identify the usability problems. While the usability testing was conducted with forty participants selected using a purposive sampling method to validate the usability of the G-MoMo applications by performing tasks and filling out the post-test questionnaire. Data collected were analyzed in RStudio software. Sixty-three usability issues were identified during heuristic evaluation, where 33 were minor and 30 were major. The most violated heuristic items were “help and documentation”, and “user control and freedom”, while the least violated heuristic items were “aesthetic and minimalist design” and “visibility of system status”. The usability testing findings revealed that the G-MoMo applications’ performance proved good in learnability, effectiveness, efficiency, memorability, and errors. It also provided user satisfaction, ease of use, aesthetics, usefulness, integration, and understandability. Therefore, it was highly recommended that the developers of G-MoMo applications fix the identified usability problems to make the applications more reliable and increase overall user satisfaction.
KEYWORDS
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