The Effect of Collaborative Learning Model on Students’ Learning Achievement

This research was aimed to find the result of using the collaborative learning model on students’ learning achievement. The writer conducted a research at SMA Negeri Unggul Sigli. The sample of the research was class X-A (as an experiment class) and class X-B (as a control class). The number of them was 20 students for each group. The writer conducted experimental teaching and tests (pre-test and post-test) to collect the data. After collecting the data, the writer analysed the data. Based on the result of data analysis, the students of the experimental class achieved the improvement from 66,4 (pre-test) to 79,1 (post-test) while the control class result only showed a slightly improvement from 65 (pre-test) to 72,5 (post-test). Also, t-test value got the score; 2,75. This t-test value was higher than the t-table; 2.0. So, finally it can be seen that 2,75 > 2.0 It could be concluded that using the collaborative learning model as a teaching method in the classroom activity successfully improved the students’ achievement. So, the teacher of the school may use this teaching method in improving the students’ achievement in learning English