Upaya Meningkatkan Kemampuan Pemahaman Konsep dan Percaya Diri Siswa Melalui Model Guided Discovery Learning
Abstract
Penelitian ini bertujuan untuk meningkatkan kemampuan pemahaman konsep dan percaya diri siswa melalui penerapan model guided discovery learning. Penelitian ini termasuk jenis penelitian tindakan kelas, yang terdiri atas tiga siklus dimana tiap siklus satu kali pertemuan yang melalui tahap perencanaan, pelaksanaan, pengamatan dan refleksi. Subjek dari penelitian ini adalah 36 siswa kelas XI MIPA 1 SMA Negeri 8 Yogyakarta. Materi yang digunakan adalah transformasi geometri. Instrumen pengambilan data yang digunakan meliputi tes tertulis pemahaman konsep, lembar angket sikap percaya diri dan dokumentasi. Teknik pengumpulan data yang digunakan adalah tes, angket dan dokumentasi. Teknik analisis data yang digunakan adalah data hasil tes dan data hasil angket. Hasil penelitian menunjukan adanya peningkatan kemampuan pemahaman konsep siswa. Hal ini terlihat pada siklus 1 diperoleh siswa yang termasuk kategori tinggi sebesar 33%, pada siklus 2 diperoleh siswa yang termasuk kategori tinggi sebesar 47% dan pada siklus 3 diperoleh siswa yang termasuk kategori tinggi sebesar 72%. Sedangkan pada sikap percaya diri siswa juga terdapat peningkatan. Hal ini terlihat pada siklus 1 diperoleh siswa yang termasuk kategori tinggi sebesar 33%, pada siklus 2 diperoleh siswa yang termasuk kategori tinggi sebesar 47% dan pada siklus 3 diperoleh siswa yang termasuk kategori tinggi sebesar 75%. Dari hasil yang diperoleh, dapat diambil simpulan bahwa penerapan model Guided Discovery Learning dapat meningkatkan kemampuan pemahaman konsep dan sikap percaya diri siswa pada pembelajaran matematika. Berdasarkan hasil penelitian, maka guru disarankan untuk menerapkan model Guided Discovery Learning.
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