ABSTRAK Penelitian ini dilatar belakangi oleh kurang optimalnya penggunaan media pembelajaran di sekolah dasar pada mata pelajaran Ilmu Pengetahuan Sosial. Tujuan penelitian ini yakni untuk mengetahui kelayakan, keefektifan dan kemenarikan media pembelajaran Tree Chart 3D. Media Tree Chart yakni berupa bagan pohon tiga dimensi yang dirancang khusus untuk materi silsilah keluarga mata pelajaran Ilmu Pengetahuan Sosial. Pengembangan media Tree Chart menggunakan model pengembangan Borg and Gall. Tahap pengembangan media Tree Chart terdiri atas 10 langkah yaitu identifikasi masalah, pengumpulan informasi, desain produk, validasi desain, perbaikan desain, uji coba produk, revisi produk, uji coba pemakaian, revisi tahap akhir dan produksi massal. Hasil penelilitian menunjukkan bahwa kelayakan media Tree Chart yang diperoleh dari hasil persentase 3 validator sebesar 88,55% dengan kriteria sangat layak. Keefektifan media Tree Chart diperoleh hasil observasi aktivitas guru mencapai 98% sangat efektif dan aktivitas siswa 92% sangat efektif serta hasil belajar 100% tuntas. Maka, dari hasil tersebut dapat disimpulkan bahwa media berada pada kriteria sangat efektif. Kemenarikan media Tree Chart diperoleh hasil angket respon siswa sebesar 97% dengan kriteria menarik. Berdasarkan hasil tersebut maka dapat disimpulkan bahwa media Tree Chart dapat digunakan sebagai media pembelajaran pada mata pelajaran Ilmu Pengetahuan Sosial materi silsilah keluargadi sekolah dasar. Kata Kunci: Media Pembelajaran, Tree Chart 3D, IPS, Model Pengembangan Borg and Gall

ABSTRACT This research is based on the minimum of instructional media in elementary school in Social Science subjects. The purpose of this study is to determine the feasibility, effectiveness, and attractiveness of learning media Tree Chart 3D. The Tree Chart Media is a three-dimensional tree chart specially designed for the family genealogy subject of Social Sciences. Development of the Tree Chart media uses Borg and Gall development model. The development phase of the Tree Chart media consists of 10 steps: identification of the problem, information of gathering, the product of design, validation of the design, design improvement, testing the product, product revision, trial usage, final stage revision and mass production. The results of the research indicate that the feasibility of the Chart Media obtained from the combined percentage of 3 validators is 88.55% with very reasonable criteria. The effectiveness of Chart Media was obtained by observation from the teacher’s activity reaches 98% very effetive and students’ activity 92% very effective and learning result 100% complete. Based on the result above, it can be conclude that Tree Chart media is very effective. Interesting Tree Chart media obtained students’ questionnaire results of 97% with interesting criteria. Based on these results it can be concluded that the Tree Chart media can be used as a medium of learning on Social Sciences subjects genealogy of elementary school subjects. Keywords: Learning Media, 3D Tree Chart, Social Science, Borg and Gall Development Model.

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