H. Nasbey, T.P. Nurdiansyah, A.F. Kurniawan, A. Samsudin, A. Fadlan, D. Harjunowibowo
This study aims to develop an innovative STEM-based physics teaching aid, namely the Spectroscope SPEKTRA, to enhance students' conceptual understanding of light phenomena. The research employed a Research and Development (R&D) design, including expert validation, readability testing, and limited trials with university students. The instrument underwent validation by material and media experts, yielding results of 97.5% and 95% respectively, indicating excellent feasibility. Readability testing demonstrated a high level of clarity (92.5%), while student responses in limited trials reached 91.15%, reflecting strong practicality and attractiveness. These findings confirm that SPEKTRA is valid, effective, and engaging as a learning medium. Integrating the principles of Science, Technology, Engineering, and Mathematics (STEM), the innovation promotes active exploration of spectral phenomena through a cost-effective and accessible tool. Beyond pedagogical impact, this research contributes to the Sustainable Development Goals (SDGs), particularly Goal 4 (Quality Education) by advancing equitable access to innovative learning resources, Goal 9 (Industry, Innovation, and Infrastructure) by fostering low-cost technological innovation in education, and Goal 12 (Responsible Consumption and Production) by encouraging the use of sustainable and locally available materials in educational media development. The study highlights the potential of contextually relevant STEM-based teaching aids to transform physics education, foster scientific literacy, and strengthen students' problem-solving and critical thinking skills. © Published under licence by IOP Publishing Ltd.
Department of Physics Education, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Jakarta, 13220, Indonesia; Department of Physics Education, Universitas PGRI Semarang, Jl. Lontar No. 1, Semarang, 50125, Indonesia; Department of Physics Education, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No.229, Kec. Sukasari, Isola, Jawa Barat, Kota Bandung, 40154, Indonesia; Physics Education, Science and Technology Faculty, UIN Walisongo Jl. Walisongo No.3-5, Tambakaji, Semarang, 50185, Indonesia; Sebelas Maret University, Indonesia Jl. Ir. Sutami 36 A, Surakarta, Surakarta, 57126, Indonesia
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