Missing Person Search Information System with User-Centered Design

This study aims to design an information system for searching for missing persons using a user-centered design (UCD) approach. This study used qualitative methods using interviews and quantitative methods by distributing the system usability scale (SUS) and post-study system usability questionnaire (PSSUQ) questionnaires. The respondents of this research consisted of official institutions, victims' families or relatives, volunteers, and experts in the field of interaction systems. The interviews were analyzed using the content analysis method, while the quantitative data were analyzed using the calculation method. The first iteration produced a low-fidelity prototype which was evaluated by interviews. The second iteration produced a high-fidelity prototype which was evaluated using usability testing (UT). The third iteration produced a high-fidelity prototype which was evaluated using SUS and PSSUQ. The SUS and PSSUQ values showed acceptable results. According to the authors' knowledge, there has been no research that proposes an information system for searching for missing persons in Indonesia with a comprehensive design process.