Conceptualising Mobile Apps Usability Dimension: A Feasibility Assessment of Malaysian Industrial Practitioners
Zulzalil Hazura1, Rahmat Hazwani2, Abd Ghani Abdul Azim3, Kamaruddin Azrina4

1Zulzalil Hazura*, Universiti Putra Malaysia.
2Rahmat Hazwani, Universiti Tun Hussein Onn Malaysia.
3Abd Ghani Abdul Azim, Universiti Tun Hussein Onn Malaysia.
4Kamaruddin Azrina, Universiti Tun Hussein Onn Malaysia.
Manuscript received on September 22, 2019. | Revised Manuscript received on October 20, 2019. | Manuscript published on October 30, 2019. | PP: 1708-1713 | Volume-9 Issue-1, October 2019 | Retrieval Number: A2643109119/2019©BEIESP | DOI: 10.35940/ijeat.A2643.109119
Open Access | Ethics and Policies | Cite | Mendeley
© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: This paper proposes a usability measurement forevaluating mobile applications. The measurement incorporates usability viewpoint of both, usability specialist and non-usability expert. The resulting usability measurements were validated through a survey of 113 industrial practitioners in Malaysia. Cronbach alpha of .952 reveals that the survey response is consistent and reliable. Hypothesis testing using a Chi-square goodness of fit indicates that the usability measurements were significantly feasible for real practice with p<.000.Mobile usability studies previously conceptualised usability from HCI perspective (e.g. usability attribute and heuristics), constraints and limitations of mobile devices. On the contrary, this paper characterise usability by integrating design features of mobile application through usability features, and quality attributes through usability criteria, in conceptualising apps usability dimension.
Keywords: Usability Evaluation, Mobile Application, Mobile Usability, Evaluation Framework.