Designing Interface on Hara Chicken Kaliurang Street KM 12.5 Using Quality Function Deployment Method Through Voice of Customer

Abstract

In marketing management, there are considerations and influences that drive consumers to make purchasing decisions. Queuing is one of the factors that can make consumers cancel orders. This study involved MSMEs in Yogyakarta and requires improvement of retail conditions and the implementation of self-order design that can attract the attention of potential buyers and maintain consumer satisfaction. The method used in this study is Voice of Customers and house of quality, then carried out usability testing by using three task scenarios and system usability scale questionnaires. The attributes in the self-order interface design focus on four key attributes that align with consumer needs: convenience and comfort, customer appeal, information, and features.

These attributes aim to optimize user satisfaction and enhance the overall efficiency of the self- order service. Based on the results of the Independent T-test conducted on 30 respondents with

7 before-and-after comparison questions, the degrees of freedom (df) value is 58. Since all H1 hypotheses are accepted, this indicates that for all tested attributes. This confirms that there is a significant difference between the before and after design. And then, based on the System Usability Scale (SUS) score of 83.41, the application falls into the Acceptability Ranges: Acceptable, Grade Scale: A, and Adjective Ratings: Excellent categories. This shows that the application has a very good level of usability and is well-received by users