Usability testing on website wadaya based on ISO 9241-11

Abstract

Wadaya (in Bahasa: Warisan Budaya) is a crowdsourcing information system which is intended for collecting and spreading cultural heritage information in Indonesia. As a crowdsourcing system, Wadaya relies on community participation to provide information, hence it must be easy to use. This research aims to evaluate the usability of Website Wadaya based on ISO 9241-11. The usability attributes consist of effectiveness, efficiency and user satisfaction. The effectiveness attribute is measured by the accuracy and completeness of the users to achieve specified goals. The efficiency attribute is measured by resources spent by user in order to ensure accurate and complete achievement of the goals especially based on expert completes on the scenario. The user satisfaction attribute is measured based on the comfortability and acceptability of use by using Software Usability Test (SUS) questionnaire. This research is divided into three steps, namely: usability evaluation on existing system, development of wireframe as alternative design, and usability evaluation on alternative design. Data collection was done by distributing questionnaire and conducting observation based on the scenario task. The number of participants are 10 users who consist of expert users and first time users. The result of this research shows that there are some usability issues on Wadaya especially when the users attempt to complete contribute cultural object task. The alternative design is developed based on the result of usability testing and Shneiderman’s Eight Golden Rules. The result of usability testing on alternative design shows that the usability of Wadaya has been improved.