Abstract
A comparative analysis of usability of data entry design patterns for mobile applications was presented in the paper. For this purpose three versions of a mobile application for a computer store were developed. Each version included the same functions which were designed and programmed using different data entry patterns. The applications were then utilized to conduct usability tests with three groups of users. The research was conducted based on the ISO model of usability. The usability metrics such as task completion time, number of actions, binary task completion rate and percentage of tasks accomplished without any of errors were considered. User satisfaction was measured using the Single Ease Question (SEQ) questionnaire. The results obtained were thoroughly analysed and recommendations for each data entry design patterns for mobile applications were formulated.
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