<![CDATA[AbstractThis study aims to develop a practicum worksheet for class XI TITL electric motor installation subjects at SMKN 1 Lubuk Pakam, to test the feasibility of the practicum worksheet for electric motor installation subjects that have been made for class XI at SMKN 1 Lubuk Pakam. The methodology of this research is research and development (Research & Development) with the development model of Four-D Models. Four-D Models consists of 4 stages, namely: define, design, develop, disseminate. The Dissaminate stage was not carried out due to the narrow scope of research. The questionnaire is validated by an evaluation expert. Based on the results of the analysis and discussion, it is known that this development research produces learning resources in accordance with the syllabus, namely practicum worksheets consisting of 11 practical activities, the feasibility level of practicum worksheets is known from the results of the assessment of material experts, media experts, and the results of teacher and student responses. Abstract must reflect the overall substance of the article content and be able to help readers determine its relevance to their interests and decide whether to read the document in its entirety. The results of material expert validation covering aspects of content feasibility, language, presentation, and benefits reached an average score of 116 with a percentage of 92.8% in the "very feasible" category. The results of media expert validation covering aspects of appearance, ease of use, consistency, format, and graphics reached an average score of 99.4 with a percentage of 90.36% in the "very feasible" category. Based on the response, the teacher obtained an average score of 117.33 with a percentage of 93.86%. Meanwhile, for the response, students obtained an average score of 102.68 with a percentage of 85.56% in the "very feasible" category.Key Words: practicum worksheet, installation of electric motors. AbstrakPenelitian ini bertujuan untuk mengembangkan Lembar kerja praktikum mata pelajaran instalasi motor listrik kelas XI TITL di SMKN 1 Lubuk Pakam, untuk menguji kelayakan lembar kerja praktikum mata pelajaran instalasi motor listrik yang telah dibuat untuk kelas XI di SMKN 1 Lubuk Pakam. Metodologi penelitian ini adalah penelitian dan pengembangan (Research & Development) dengan model pengembangan Four-D Models. Four-D Models terdiri dari 4 tahap, yaitu: pendefinisian (define), perancangan (design), pengembangan (develop), penyebaran (Dissaminate). Tahap Dissaminate tidak dilaksanakan karena lingkup peneltian yang sempit. Instrumen yang digunakan adalah instrumen non tes berupa angket dengan skala Likert 5 pilihan jawaban. Angket divalidasi oleh seorang ahli evaluasi. Berdasarkan hasil analisis dan pembahasan, diketahui bahwa penelitian pengembangan ini menghasilkan sumber belajar sesuai dengan silabus yaitu lembar kerja praktikum yang terdiri dari 11 kegiatan praktik, tingkat kelayakan lembar kerja praktikum diketahui dari hasil penilaian ahli materi, ahli media, dan hasil respon guru dan siswa. Hasil validasi ahli materi yang meliputi aspek kelayakan isi, kebahasaan, sajian, dan manfaat mencapai rata-rata skor 116 dengan presentase 92.8% pada kategori “sangat layak”. Hasil validasi ahli media yang meliputi aspek tampilan, kemudahan penggunaan, konsistensi, format, dan kegrafikan mencapai rata-rata skor 99.4 dengan presentase 90.36% pada kategori “sangat layak”. Berdasarkan respon guru memperoleh skor rata-rata 117.33 dengan presentase 93.86%. Sementara itu untuk respon siswa memperoleh skor rata-rata 102.68 dengan presentase 85.56% pada kategori “sangat layak”.Kata Kunci : lembar kerja praktikum, instalasi motor listrik.]]>
