Designing Interaction and User Interface of Computational Thinking Digital Game for Children using User-Centered Design Approach

Abstract

In the 21st Century, technology has become a part of almost everyone's lives in the world and will keep on evolving. Therefore, people's way of thinking must be able to follow the technology evolution. Since 2006, Computational Thinking (CT) has been stated as a fundamental skill for everyone, not just for computer scientists. The concept of CT is very important to be taught to children so that it can be applied as early as possible. In the digital era that is happening now, the suitable CT learning for children is in the form of digital game as an application on smartphones. The interaction and interface of this application is designed using user-centered design approach in ISO 9241210:2010. In order to make this application useful for children, it should be effective to use, easy to learn, and enjoyable. Those three things are the usability and user experience goals of this application. Usability testing is conducted to validate the achievement of the goals by using several metrics, such as completion rate, Single Ease Question (SEQ), System Usability Scale (SUS), and Intrinsic Motivation Inventory for interest/enjoyment subscale. The completion rate is 97,4 %/100% for usability goal effective to use, the SEQ score is 6,12/7 and the SUS score is 70,5/100 for usability goal learnability, and the IMI interest/enjoyment subscale score is 6,02/7 for user experience goal enjoyable. This application has achieved the usability and user experience goals because all the scores from the measurements using those four metrics are above the average.