Browsing by Author "Abebaw Demelash"

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    Usability of E-Government Service for Tax Payers in Ethiopia: the Case of E-Tax System
    (Addis Ababa University, 2024-10) Abebaw Demelash; Lemma Lessa
    The e-tax portal/system is a web-based tax filling and payment system designed to reduce cumbersome manual processes, cut evasion and help boost domestic revenue collection. The system is also used for payment of public services and other remittances. Usability of the e-tax portals, is key for members especially the public to find them easy to use, effective, efficient as well as satisfying to use. The heuristic evaluation (HE) method is one of the most common in the suite of tools for usability evaluations because it is a fast, inexpensive, and resource-efficient process in relation to the many usability issues it generates. The data collected in the evaluations performed with usability experts were analyzed from the 10 Nielsen usability heuristics. The results showed that this method of assessment is effective in pointing out various usability issues in e-government services assessed specifically e-tax portal interface.This research presents results of an evaluation of an e-tax portal for Ethiopia using the popularly used Jakob Nielsen’s 10 Usability Heuristics for User Interface Design. Based on the results, the paper further presents compliance. Furthermore, a usable e-tax portal will decrease training, support and maintenance costs. The paper also provides general recommendations on how to develop and manage more usable websites.