PENGARUH MODEL GUIDED INQUIRY DENGAN OXYGEN CIRCULATION SIMULATOR TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA MATERI SISTEM RESPIRASI MANUSIA

THE EFFECT OF THE GUIDED INQUIRY MODEL WITH OXYGEN CIRCULATION SIMULATOR ON STUDENTS' CRITICAL THINKING ABILITIES ON THE HUMAN RESPIRATORY SYSTEM

Penelitian ini bertujuan untuk mendeskripsikan pengaruh model Guided Inquiry dengan Oxygen Circulation Simulator dari HHMI BioInteractive terhadap kemampuan berpikir kritis siswa pada materi Sistem Respirasi Manusia. Penelitian ini menggunakan pendekatan kuantitatif dengan desain Quasi Experimental Nonequivalent Control Group Design. Sampel terdiri atas dua kelas XI yang dipilih secara purposive sebagai kelas eksperimen dan kelas kontrol. Data dianalisis menggunakan SPSS 25 berupa uji Independent Sample T-Test dan uji regresi linear sederhana dengan Anova. Hasil penelitian menunjukkan rata-rata nilai post-test kelas eksperimen 77,40 ± 10,54 lebih tinggi dibandingkan kelas kontrol 61,98 ± 14,92. Uji t menunjukkan nilai signifikansi 0,000 (<0,05) yang berarti terdapat perbedaan yang signifikan antara kedua kelompok. Selanjutnya, hasil uji regresi menunjukkan nilai signifikansi 0,005 dengan koefisien determinasi (R²) sebesar 0,310 dengan hubungan linier positif antara keterlaksanaan pembelajaran dengan kemampuan berpikir kritis siswa. Hal ini mengindikasikan bahwa penerapan model Guided Inquiry dengan Oxygen Circulation Simulator memberikan kontribusi pengaruh sebesar 31% terhadap kemampuan berpikir kritis siswa. Berdasarkan hasil tersebut, dapat disimpulkan bahwa model Guided Inquiry dengan Oxygen Circulation Simulator berpengaruh signifikan dan efektif dalam meningkatkan kemampuan berpikir kritis siswa pada materi Sistem Respirasi Manusia.

This study aims to describe the effect of the Guided Inquiry model with the Oxygen Circulation Simulator from HHMI BioInteractive on students' critical thinking skills on the Human Respiratory System material. This study uses a quantitative approach with a Quasi Experimental Nonequivalent Control Group Design. The sample consists of two classes of XI which were selected purposely as the experimental class and the control class. Data were analyzed using SPSS 25 in the form of an Independent Sample T-Test and a simple linear regression test with ANOVA. The results showed that the average post-test score of the experimental class was 77.40 ± 10.54 higher than the control class 61.98 ± 14.92. The t-test showed a significance value of 0.000 (<0.05) which means there is a significant difference between the two groups. Furthermore, the results of the regression test showed a significance value of 0.005 with a coefficient of determination (R²) of 0.310 with a positive linear relationship between the implementation of learning and students' critical thinking skills. This indicates that the implementation of the Guided Inquiry model with the Oxygen Circulation Simulator contributed 31% to students' critical thinking skills. Based on these results, it can be concluded that the Guided Inquiry model with the Oxygen Circulation Simulator has a significant and effective effect in improving students' critical thinking skills in the Human Respiratory System material.