THE EFFECTIVENESS OF USING THE JAKARTA POST SCIENCE-TECHNOLOGY ARTICLE TO IMPROVE STUDENT’S VOCABULARY MASTERY AT THE SECOND GRADE OF SMA N 8 PURWOREJO IN THE ACADEMIC YEAR OF 2012/2013

Abstract

This study is aimed to find out the  effectiveness of using The Jakarta Post science-technology article as a teaching material to improve the vocabulary mastery of the second grade students of SMA N 8 Purworejo and to know whether The Jakarta Post science-technology article is appropriate or not to teach vocabulary. This research is classified as an experimental research. The result of pre-test before the researcher gave the treatment is 66.67, and the result of post-test after the researcher gave the treatment is 81.83. The result of t-test value is 11.29. The t-test value is higher that t-table, that is 11.29>2.000. It means that The Jakarta Post Science-Technology Article is effective to improve student’s vocabulary mastery at the second grade of SMA N 8 Purworejo in the academic year of 2012/2013”.

Key words : Effectiveness , The Jakarta Post, Science-Technology Article, Improve, Vocabulary Mastery.