Abstract
Emerging development trends in smartphone computing assist the user to enhance skills, health improvement, earning opportunities, sharing ideas, providing entertainment, and so on. Appropriate transfer of these assistances demands a vibrant appearance to a smartphone user. End users emphasize easy-to-use, ergonomics, efficiency, and visual aesthetic, among others. Measuring usability issues allows for improving these features. An inspection-based heuristics set identifies the usability issues for improving the quality of smartphone interfaces. Using suitable heuristics is highly relevant. In this paper, we present an extended and relevant set of 14 Usability Heuristics for Smartphone (EUHSA) application, where 13 heuristics were selected after cross-linking the identified usability flaws with the previously proposed heuristics through a user study with 800 students from a human-computer interaction course. An additional heuristic is proposed against uncaptured usability flaws. Furthermore, the EUHSA was validated using an expert evaluation study. Findings were compared with the previously proposed Joyce and SMASH sets of heuristics. The results explicitly justify the EUHSA and prove its effectiveness in evaluating the usability issues.
Highlights
Nowadays, smartphones are used in several areas such as health, education, business, entertainment, sports, politics, social networking and others
We developed a corpus of usability issues and identifying pertinent issues
All other methodologies were applied only for domain specific mobile applications; whereas, this selected methodology was validated in creating usability heuristics for touch screen based mobile devices [39], for mobile interfaces [9] and for smartphone application [13]
Summary
Smartphones are used in several areas such as health, education, business, entertainment, sports, politics, social networking and others. Ponnada and Kannan [36] validated the Korhonen set of heuristics in an expert based evaluation study This domain specific set of heuristics were useful to evaluate other mobile applications. Cunha et al [21] compiled eleven heuristics based on Nielsen’s work, analysis of previous literature and brainstorming Their domain specific heuristics set was applicable to mobile interfaces. While Humayoun et al [14] proposed specific heuristics for evaluating multi-touch gestures in mobile applications They adjusted 14 heuristics to make them more appropriate for smartphones and validated the set using evaluation study and compare the results with [12].
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