Institutional Repository UIN Sunan Kalijaga YogyakartaEVALUASI ANTARMUKA ONLINE PUBLIC ACCESS CATALOG “MYPUSTAKA” DI PERPUSTAKAAN UNIVERSITAS MUHAMMADIYAH YOGYAKARTA (UMY)NIM.: 21101040019Tisti Falihatun Nisa’authorThis study aims to evaluate the interface of MyPustaka public access catalog of University Library of Muhammadiyah Yogyakarta (UMY). This research uses descriptive quantitative method. The subjects used in this research are active UMY students, while the object of this research is the evaluation of the online public access catalog “MyPustaka” interface. The population in this study were all active students (UMY Library members) with a total of 24.149 students. Sampling using incidental sampling technique with data acquisition of 100 students. Data collection was carried out using questionnaire techniques, observation, and documentation. The data were analyzed using the mean and grand mean formulas. The mean results of each indicator show that the mean value of the learning time indicator is 3,31, speed of performance is 3,33, retention over time is 3,21, subjective satisfaction is 3,26, strive for consistency is 3,274, cater to universal usability 3,45, offer informative feedback 3,197, design dialoggs to yield closure 3,216, prevents and handles errors 3,143, permit easy reversal of actions 3,155, supports internal locus of control 3,45, and reduces short-term memory load 3,325. Based on these results, a grand mean of 3,277 was obtained, based on the score value category used, it can be said that the results of the OPAC “MyPustaka” interface evaluation fall into the “very good” category.025.316 OPAC (Online Public Access Catalog)2025-04-15UIN SUNAN KALIJAGA YOGYAKARTA;FAKULTAS ADAB DAN ILMU BUDAYAThesis

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