APPLICATION OF USER CENTERED DESIGN (UCD) METHOD FOR DEVELOPING USER INTERFACE AND USER EXPERIENCE IN THE KAIA-PAY APPLICATION

Abstract

CV Kaia Project is one of the business entities engaged in PPOB which provides digital products such as credit purchases, data packages, PLN Tokens, game vouchers and others. The role of the PPOB system at CV Kaia Project is supported by the KAIA-PAY Application. Based on the results of interviews, namely with the owner of CV Kaia Project, currently the KAIA-PAY Application is already in the implementation stage, but there are several obstacles in its implementation including no forgotten password feature, OTP codes cannot be sent via SMS, etc. while distributing questionnaires on the initial design, namely the results of the initial design evaluation, namely a total of 5 aspects that are worth bad, namely attractiveness, clarity, efficiency, accuracy, stimulus while 1 aspect of novelty is below average. So this research aims to improve User Interface design in accordance with the needs and convenience of KAIA-PAY Application users by applying the UCD Method.  The application of the UCD method and evaluation using the User Experience Questionnaire (UEQ) shows that the evaluation results after improvement, namely for the clarity aspect, get a good score, and for the aspects of attractiveness, efficiency, accuracy, stimulation, and novelty get excellent scores.