PENGARUH MODEL PEMBELAJARAN GROUP INVESTIGATION TERHADAP HASIL BELAJAR SISWA PADA MATERI PENCEMARAN LINGKUNGAN DI KELAS X SMA NEGERI 2 BANDAR TAHUN PELAJARAN 2020/2021

Abstrak

This study aims to determine the effect of using the Group Investigation learning model on environmental pollution material in class X of SMA Negeri 2 Bandar in the 2020/2021 academic year. This research is an experimental study with a pre-test, post-test design. The population was 252 students, and the sample size was 62 students (Cluster Random Sampling). Data analysis was conducted by calculating the average score and standard deviation, and hypotheses were tested using the t-statistic or t-test at a significance level of α = 0.05. The results of the hypothesis test using the t-test showed that the calculated t-value (3.12) was greater than the t-table (2.00). Therefore, H0 was rejected and Ha was accepted, indicating that the Group Investigation learning model had an effect on environmental pollution material in class X of SMA Negeri 2 Bandar in the 2020/2021 academic year.