PENGEMBANGAN MEDIA JAM DAN PUZZLE (JAMP) MATERI PENGUKURAN WAKTU KELAS II SEKOLAH DASAR
DEVELOPMENT OF CLOCK AND PUZZLE MEDIA (JAMP) TIME MEASUREMENT MATERIAL FOR CLASS II ELEMENTARY SCHOOL
Tujuan penelitian ini adalah untuk menganalisis proses pengembangan media JAMP pada materi pengukuran waktu untuk peserta didik kelas II sekolah dasar serta mengetahui kelayakannya berdasarkan aspek kevalidan, kepraktisan, dan keefektifan. Penelitian ini merupakan pengembangan media pembelajaran menggunakan model ADDIE (Analyze, Design, Development, Implementation, dan Evaluation) di sekolah dasar. Hasil validasi menunjukkan bahwa media JAMP memiliki tingkat kevalidan yang tinggi, dengan validasi materi mencapai 84% dalam kategori “Sangat Valid” dengan revisi, dan kevalidan media sebesar 86% yang juga dikategorikan “Sangat Valid” dengan revisi. Aspek keefektifan dibuktikan melalui peningkatan hasil pretest ke posttest, di mana rata-rata nilai posttest mencapai 96,55%, meningkat secara signifikan dari pretest yang hanya 48,28%, dengan hasil N-Gain sebesar 0,9332 yang masuk dalam kategori “Tinggi”, serta penentuan efektivitas media JAMP diperoleh sebesar 93,32% yang masuk dalam kategori “Efektif”. Hal ini menunjukkan bahwa media JAMP sangat efektif dalam meningkatkan hasil belajar peserta didik serta memotivasi mereka untuk belajar. Kepraktisan media JAMP dinilai berdasarkan kuesioner pendidik dan peserta didik, dengan hasil rata-rata keseluruhan 98,48% yang dikategorikan sebagai “Sangat Praktis.” Secara keseluruhan, hasil penelitian ini menunjukkan bahwa media JAMP layak digunakan sebagai media pembelajaran matematika dalam materi pengukuran waktu untuk siswa kelas II sekolah dasar.
Kata Kunci: Media, Jam, Puzzle, Pengukuran Waktu.
The purpose of this study was to analyze the process of developing JAMP media on time measurement material for grade II elementary school students and determine its feasibility based on aspects of validity, practicality, and effectiveness. This research is a learning media development using the ADDIE (Analyze, Design, Development, Implementation, and Evaluation) model in elementary schools. The validation results show that JAMP media has a high level of validity, with material validation reaching 84% in the “Very Valid” category with revisions, and media validity of 86% which is also categorized as “Very Valid” with revisions. The effectiveness aspect is evidenced by the increase in pretest to posttest results, where the average posttest score reached 96.55%, a significant increase from the pretest which was only 48.28%, with an N-Gain result of 0.9332 which is in the “High” category, and the determination of the effectiveness of JAMP media was obtained at 93.32% which is in the “Effective” category. This shows that JAMP media is very effective in improving students' learning outcomes and motivating them to learn. The practicality of JAMP media was assessed based on educator and learner questionnaires, with an overall average result of 98.48% which is categorized as “Very Practical.” Overall, the results of this study indicate that JAMP media is suitable for use as a mathematics learning media in time measurement material for grade II elementary school students.
Keywords: Media, Clock, Puzzle, Time Measurement.