<![CDATA[Practical learning in the Basic Fashion subject requires instructional materials that can help students understand work procedures systematically and independently. However, the use of conventional jobsheets in vest pocket construction material is still considered less interactive, causing students difficulties in understanding the practical steps. This study aimed to develop a FlipHTML5-based e-jobsheet that is valid, practical, and effective for vest pocket construction material in Fashion Design students. The novelty of this research lies in the integration of tutorial videos, step-by-step illustrations, and interactive evaluations into a single digital learning medium accessible through smartphones and laptops. This study employed a Research and Development (RD) method using the 4-D development model consisting of define, design, develop, and disseminate stages. The research subjects involved three material experts, one media expert, and 30 tenth-grade Fashion Design students at SMKN 8 Padang. The research instruments included validation questionnaires, practicality questionnaires, and learning outcome tests. Data were analyzed using descriptive quantitative techniques through validity percentages, practicality percentages, and effectiveness testing using the N-Gain score. The results showed that the developed e-jobsheet obtained a material validation score of 89% and a media validation score of 92%, both categorized as very valid. The practicality test by students achieved an average score of 93.5%, categorized as very practical. Furthermore, the effectiveness test indicated an improvement in students’ learning outcomes with an N-Gain score of 0.58 in the moderate category. Therefore, the FlipHTML5-based e-jobsheet is feasible to be used as a digital instructional material to support practical learning in vest pocket construction for Fashion Design students. Pembelajaran praktik pada mata pelajaran Dasar-Dasar Busana membutuhkan bahan ajar yang mampu membantu peserta didik memahami langkah kerja secara sistematis dan mandiri. Namun, penggunaan jobsheet konvensional pada materi pembuatan kantong vest masih kurang interaktif sehingga peserta didik mengalami kesulitan memahami tahapan praktik. Penelitian ini bertujuan mengembangkan e-jobsheet berbasis FlipHTML5 yang valid, praktis, dan efektif pada materi pembuatan kantong vest untuk siswa Tata Busana. Kebaruan penelitian ini terletak pada integrasi video tutorial praktik, ilustrasi langkah kerja, dan evaluasi interaktif dalam satu media digital yang dapat diakses melalui smartphone maupun laptop. Penelitian ini menggunakan metode Research and Development (RD) dengan model pengembangan 4-D yang terdiri dari tahap define, design, develop, dan disseminate. Subjek penelitian terdiri atas tiga ahli materi, satu ahli media, dan 30 peserta didik kelas X Tata Busana SMKN 8 Padang. Instrumen penelitian menggunakan angket validasi, angket praktikalitas, dan tes hasil belajar. Data dianalisis menggunakan teknik deskriptif kuantitatif melalui persentase validitas, praktikalitas, dan uji efektivitas menggunakan N-Gain. Hasil penelitian menunjukkan bahwa e-jobsheet memperoleh nilai validitas ahli materi sebesar 89% dan validitas ahli media sebesar 92% dengan kategori sangat valid. Hasil praktikalitas peserta didik memperoleh rata-rata 93,5% dengan kategori sangat praktis. Selain itu, hasil uji efektivitas menunjukkan peningkatan hasil belajar dengan nilai N-Gain sebesar 0,58 pada kategori sedang. Dengan demikian, e-jobsheet berbasis FlipHTML5 layak digunakan sebagai bahan ajar digital untuk mendukung pembelajaran praktik pembuatan kantong vest pada siswa Tata Busana. ]]>
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