IMPLEMENTING CONTEXTUAL TEACHING AND LEARNING TO IMPROVE VOCABULARY AND TO RAISE STUDENTS' LEARNING MOTIVATION OF THE SEVENTH GRADE STUDENTS AT MTS NEGERI 1 BANGGAI

This research is conducted to find out the use of the Contextual Teaching and Learning (CTL) method to increase vocabulary and learning interest of students of MTS Negeri 1 Banggai. The design of this study is pre-experiment with pre-test and post-test one group design. A total of 45 students in class VII A became samples in the experimental class and 45 students in class VII C became samples in the control class and the samples were selected using convenience sampling. The instruments used to collect data are tests and questionnaires. The average score of the pretest in experimental class is 50.84 and the average score of pretest in control class is 48.24. Meanwhile, the post-test average score of the experimental class is 81.13 and the average score of the post-test in the control class is 63.49. The results of the t-test comparison show that the t-counted value (5.212) is greater than the t-table value (2.003) at the 0.05 significance level. The results of the questionnaire distributed to the experimental class and the control class were analyzed using a Likert scale and by percentage techniques. The results of the analysis show that 89.65 percent of students in the experimental class were in high motivation category and this was the opposite of the control class which was only 55.72 percent of students in high motivation category. In other words, the alternative hypothesis (Ha) is accepted and the null hypothesis (H0) is rejected. It is concluded that the application of the CTL method can increase students’ vocabulary and student learning interest.Keywords: Contextual Teaching and Learning (CTL), Vocabulary, Interest in Learning