The Effectiveness of Using Outdoor Learning Method toward the Students' Vocabulary Mastery at the Second Gradeof Junior High School in Pondok Pesantren Pembangunan Manaiilil Ulum Guppi Tk. 1 Samata Kabupaten Gowa

The result of the data indicated that there was a significant difference between the students’ post-testin the experimental class and the controlled class. The mean scoreof the post test (69) in the experimental class was higher than the mean score of the post-test (56.5) in the controlled class. Through t-test, the researcher found that the value of the t-test (4.16) was higher than t-table(2.042) at the level of significance 0.05 with degree of freedom (df) = 38. From the result of theresearch, the researcher concluded that the hypothesis wasaccepted. It means that using out door learning method was effective towards the students vocabulary mastery at the second grade of Junior High School in Pondok Pesantren Pembangunan Manaiilil Ulum Guppi Tk. 1 Samata Kabupaten Gow