Penelitian ini bertujuan untuk : 1) mendeskripsikan proses pengembangan modul berbasis project based learning pada mata pelajaran dasar-dasar pemasaran kelas X Bisnis Daring Pemasaran. 2) menganalisis hasil kelayakan modul berbasis project based learning pada mata pelajaran dasar-dasar pemasaran kelas X Bisnis Daring Pemasaran. 3) menganalisis keefektifan modul berbasis project based learning pada mata pelajaran dasar-dasar pemasaran untuk meningkatkan hasil belajar siswa kelas X Bisnis Daring Pemasaran.4) mendeskripsikan respon siswa setelah menggunakan modul modul berbasis project based learning pada mata pelajaran dasar-dasar pemasaran.

Jenis penelitian yang digunakan ialah research and development (R&D) dengan mengadopsi model pengembangan ADDIE(Analysis,Design, Development, Implementation, dan Evaluation).  Subjek uji coba dalam penelitian ini yaitu 34 siswa kelas X Bisnis Daring Pemasaran reguler di SMK N 1 Lamongan, dengan menggunakan desain uji coba One - Group Pretest – Posttest Design. Teknik pengumpulan data yaitu menggunakan lembar validasi untuk mengukur kelayakan, soal pretest dan post-test untuk mengukur efetivitas modul, dan angket respon untuk mengetahui respon siswa.

Hasil uji coba dalam penelitian ini yaitu modul yang dikembangkan memperoleh persentase kelayakan 89,2% dengan kategori sangat layak digunakan sebagai bahan ajar, dengan rincian validasi ahli materi 1 dan 2 sebesar 87,2%, validasi ahli bahasa sebesar 92%, validasi ahli grafis sebesar 93,3%. Efektivitas modul yang dikembangkan dari analisis lembar pretest dan post-test perolehan hasil rata-rata gain score sebesar 0,68 dengan kategori sedang. Sehingga hasil belajar siswa mengalami peningkatan, karena gain score yang diperoleh > 0,3 dan modul yang dikembangkan memiliki pengaruh dan efektif terhadap peningkatan hasil belajar siswa. Perolehan hasil respon siswa memperoleh persentase sebesar 91,9% dengan kategori sangat layak. Sehingga hal ini menunjukkan bahwa modul memperoleh respon yang positif dan dinyatakan layak digunakan untuk proses kegiatan pembelajaran.

Kata Kunci: Pengembangan, Modul, Project Based Learning

This study aims to: 1) describe the process of developing a project-based learning in the marketing basics subject for class X Marketing Online Business. 2) analyze the results of the feasibility of a project-based learning module in the marketing basics subject for class X Marketing Online Business. 3) analyze the effectiveness of project-based learning modules on the basics of marketing to improve student learning outcomes for class X Marketing Online Business. 4) describe student responses after using project-based learning modules on marketing basics.

The type of research used is research and development (R&D) by adopting the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The test subjects in this study were 34 students of class X Regular Marketing Online Business at SMK N 1 Lamongan, using the One - Group Pretest - Posttest Design trial design. Data collection techniques were using validation sheets to measure eligibility, pretest and post-test questions to measure module effectiveness, and response questionnaires to determine student responses.

The results of the trials in this study, namely the module developed obtained a feasibility percentage of 89.2% with a very suitable category for use as teaching materials, with details of expert validation of material 1 and 2 of 87.2%, validation of linguists by 92%, validation of graphic experts by 93.3%. The effectiveness of the module developed from the analysis of the pretest and post-test obtained an average gain score of 0.68 in the medium category. So that student learning outcomes have increased, because of the gain score obtained > 0.3 and the developed module has an effect and is effective on improving student learning outcomes. The student response results obtained a percentage of 91.9% with a very decent category. So this shows that the module received a positive response and was declared suitable for use in the process of learning activities.

Keyword: Development, Module, Project Based Learning