Permasalahan dari penelitian ini adalah : (1) Apakah hasil belajar siswa dengan model pembelajaran guided discovery dengan media question cards bervisi SETS lebih baik daripada hasil belajar siswa yang menggunakan model pembelajaran demonstrasi dengan media question cards bervisi SETS. (2) Apakah peningkatan kemampuan berpikir kreatif siswa dengan model pembelajaran guided discovery dengan media question cards bervisi SETS lebih baik daripada kemampuan berpikir kreatif siswa yang menggunakan model pembelajaran demonstrasi dengan media question cards bervisi SETS. Penelitian eksperimen ini menggunakan pretest-posttest control group desain. Pengumpulan data dilakukan dengan metode tes. Hasil belajar kognitif siswa pada kelas eksperimen lebih tinggi daripada kelas kontrol. Hal ini dapat dilihat dari uji t terhadap nilai posttest yang sebesar 4,26 (lebih besar dari ttabel = 2,00). Hasil analisis kemampuan berpikir kreatif menggunakan uji gain diperoleh peningkatan kelas ekperimen sebesar 0,64 (sedang), sedangkan kelas kontrol 0,44 (sedang). Berdasarkan hasil penelitian tersebut, dapat disimpulkan bahwa model pembelajran guided discovery dengan media question cards bervisi SETS dapat meningkatkan kemampuan berpikir kreatif siswa. The research problems which are identified in this study are: (1) Is the students’ learning output using guided discovery model and SETS vision question cards better than that of using demonstration learning model with the same media? (2) Is the improvement of students’ creative thinking ability using dengan guided discovery learning model and SETS vision question cards media better than that of using demonstration learning model with the same media? This study is classified as the experimental research which applies pretest-posttest control group design. The method of collecting data is done by conducting some tests. The result of T- test in the experiment group was tcount = 4,26 > ttabel = 2,00. In the experiment group, the result of gain test on the students’ creative thinking ability showed the improvement as much as 0,64 (medium), while in the control group was 0,44 (medium). Based on the research result, it can be concluded that guided discovery learning model by using SETS vision question cards as the media can improve the students’ creative thinking ability.
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