Online Learning PBL Model with the STS Approach to Improve High School Students' Critical Thinking Ability
Penelitian ini bertujuan untuk mendeskripsikan keefektifan pembelajaran daring model PBL (Problem Based Learning) dengan pendekatan STM (Science Teknologi Masyarakat) dalam meningkatkan kemampuan berpikir kritis siswa. Penelitian ini merupakan penelitian Pre Eksperimental dengan desain pre-test dan post-test yang dilaksanakan di SMA Labschool UNESA tahun ajaran 2020/2021. Sampel penelitian terdiri dari 56 siswa kelas XI IPA. Pengumpulan data dilakukan melalui pre-test, menerapkan model PBL dengan pendekatan STM melalui Google meet, dan yang terakhir adalah post-test. Analisis data dilakukan dengan menggunakan uji t berpasangan, analisis n-gain, dan uji t independen. Berdasarkan data analisis, skor kemampuan berpikir kritis siswa mengalami peningkatan yang signifikan pada α = 5% dengan rata-rata n-gain pada kategori sedang dan konsisten pada kedua kelas. Kesimpulannya adalah pembelajaran online model PBL dengan pendekatan STM ternyata meningkatkan kemampuan berpikir kritis siswa SMA.
Kata kunci: Pembelajaran Daring, PBL, STM, Berpikir Kritis
The research aims to describe the effectiveness of online learning using PBL (Problem Based Learning) model with STS (Science Technology Society) approach to improve students’ critical thinking ability. This research was Pre experimental with pre-test and post-test design conducted at Lab-school UNESA High School in the academic year 2020/2021. The research sample consisted of 56 students of eleventh grade Natural Science. Collecting data is done through pre-test, applying the model PBL with the STS approach through the Google meet, and the last is post-test. Analysis data using paired t-test, analysis of n-gain, and independent t-test. According to analysis data, students' critical thinking ability scores are suffering an increase that is significant at α = 5% with an average n-gain in the medium category and consistent in both classes. The conclusion is that the online learning PBL model with the STS approach effectively improves the critical thinking ability of high school students.
Keywords: Online Learning, PBL, STS, Critical Thinking