Hidayatullah, Danu Firmansyah (2019) Evaluasi Dan Perbaikan Antarmuka Aplikasi Lembar Kerja Anggaran Investasi PT. PLN (Persero) Area Malang Menggunakan Metode Cognitive Walkthrough Dan Heuristic Evaluation. Sarjana thesis, Universitas Brawijaya.
Abstract
Aplikasi LKAI (Lembar Kerja Anggaran Investasi) Area Malang merupakan aplikasi berbasis web yang digunakan oleh pegawai bidang perencanaan PT. PLN (Persero) Area Malang untuk merekap data hasil survei terkait program perkuatan jaringan dan penekanan susut distribusi. Berdasarkan hasil wawancara terkait aplikasi LKAI, ditemukan permasalahan tidak adanya instruksi tata cara pengisian data pada modal box uraian lokasi, tidak ada info detail pengguna yang sedang login, dan ukuran blanko pekerjaan yang terlalu kecil. Evaluasi dilakukan untuk menemukan permasalahan usability lebih mendalam menggunakan metode Cognitive Walkthrough dan Heuristic Evaluation dengan melibatkan 3 evaluator subject matter expert dan 3 evaluator usability expert. Evaluasi menggunakan Cognitive Walkthrough menemukan 205 permasalahan usability yang dinormalisasi menjadi 22 permasalahan, dimana 64% dari seluruh permasalahan ditemukan pada Heuristic Evaluation. Sedangkan Heuristic Evaluation menemukan 20 permasalahan usability, dimana usability heuristic dengan permasalahan terbanyak adalah H-5 (Error prevention) dengan 5 temuan atau 25% dari seluruh permasalahan. Hasil evaluasi kemudian dibuat 30 prototype perbaikan antarmuka berdasarkan guideline 10 prinsip usability heuristic. Selanjutnya dilakukan validasi pada prototype menggunakan kuesioner system usability scale yang diperoleh skor 80,83 dengan tingkat acceptability ranges berada pada kategori acceptable, grade scale berada pada grade B, adjective ratings berada pada kategori excellent, dan percentile rank berada pada grade A.
English Abstract
Malang Area LKAI (Investment Budget Worksheet) application is a web based application that can be used by employees in PT. PLN (Persero) Malang Area planning sector to recapitulate data from field surveys related network reinforcement and suppression of distribution programs. Based on the results of interviews conducted LKAI application, problems were found that there were no instructions on how to fill data on the location description modal box, there was no detailed info on the user being logged in, and the size of the job blank is small. The evaluation was conducted to find usability problems using the Cognitive Walkthrough and Heuristic Evaluation methods. In this evaluation involving 3 evaluator subject matter and 3 evaluator usability expert. The evaluation using Cognitive Walkthrough method found 205 usability problems which were then normalized to 22 problems, while 64% of all problems were also found in Heuristic Evaluations. While Heuristic Evaluation method found 20 usability problems, while usability heuristic with the highest number of problems was H-5 (Error prevention) with 5 findings or 25% of the all problems finding. The evaluation results, 30 prototype interface improvements based on the 10 guideline of usability heuristic principles. Then validation on the prototype using the system usability scale obtained a score of 80.83 with the acceptability level depending on the acceptable category, grade scale was in grade B, adjective ranking depends on the excellent category and percentile rank in grade A.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FILKOM/2019/377/051905695 |
| Uncontrolled Keywords: | interface evaluation, cognitive walkthrough, heuristic evaluation, interface improvement, system usability scale |
| Subjects: | 000 Computer science, information and general works > 006 Special computer methods > 006.7 Multimedia systems |
| Divisions: | Fakultas Ilmu Komputer > Sistem Informasi |
| Depositing User: | Endang Susworini |
| Date Deposited: | 30 Oct 2019 01:48 |
| Last Modified: | 30 Oct 2019 01:48 |
| URI: | http://repository.ub.ac.id/id/eprint/171582 |
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