Pengaruh Penggunaan E-Book Berbasis Problem Based Learning Materi Alat-Alat Optik Terhadap Peningkatan Kemampuan Berpikir Kritis Siswa

Diyen Paramitha (Universitas Negeri Yogyakarta)
Zuhdan Kun Prasetyo (Universitas Negeri Yogyakarta)
Jumadi Jumadi (Universitas Negeri Yogyakarta)
Anggi Namira Siregar (Universitas Negeri Yogyakarta)

Jurnal Penelitian Pendidikan IPA (JPPIPA)
Vol 9 No 11 (2023): November

This study intends to ascertain whether problem-based learning e-books for optical devices can improve students' critical thinking skills. Quasy experiment approach one group pretest and posttest used in this research. A total of 45 students of class XI MIPA MAN 1 Yogyakarta were used as research subjects. Pretest and posttest values of critical thinking in the material of optical instruments were used to collect research data. N-gain and Wilcoxon test were used for data analysis. The N-gain value obtained was 0.45 which met the medium criteria. The results showed that electronic books with problem-based learning on optical devices increased students' critical thinking skills.