THE EFFECTIVENESS OF NUMBERED HEADS TOGETHER (NHT) TO IMPROVE VOCABULARY MASTERY OF THE FIFTH GRADE STUDENTS AT SD N KARANGGEDE IN THE ACADEMIC YEAR OF 2012/2013
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Purworejo :
Program Studi Pendidikan Bahasa Inggris FKIP Universitas Muhammadiyah Purworejo.,
2013
ABSTRACT Maharani. 2013. The Effectiveness of Numbered Heads Together (NHT) to Improve Vocabulary Mastery of the Fifth Grade Students at SD N Karanggede in the Academic Year of 2012/2013. A Thesis. English Departement, The Faculty of Teacher Traiing and Educatioal Sciences, Muhammadiyah University of Purworejo. Consultant: Tusino, M.Pd. B.I The objectives of this research are to know the level of students? vocabulary mastery after being taught by Numbered Heads Together and to find out whether Numbered Heads Together is effective or not to improve vocabulary mastery to the fifth-grade students at SD N Karanggede in the academic year 2012/2013 . Moreover, the researcher also wants to know a positive contribution towards the students? vocabulary mastery after they are given NHT. This study belongs to pre-experiment risearch. The researcher uses purposive sampling in taking the sample because of the limitation of time. In this research, the researcher took 25 students of the fifth grade as the population and sample. The researcher conducted pre-test and post-test. The researcher used NHT to teach vocabulary. Statistically, the researcher analyzed the data by using t-test. The result of this research shows that NHT is effective to improve students? vocabulary mastery at the fifth grade of SD N Karanggede in the academic year of 2012/2013. It was found that the result of t-value is 9.791. Based on the 0.05 significance level, the value of t-table is 2.0595, the computation shows that t-value is higher that t-table, is 9.791 > 2.0595. Moreover, NHT gives a positive contribution towards the students? vocabulary mastery. It can be seen from the gained score before and after the treatment is given. The post-test of English? vocabulary mastery is higher that the pre-test of English vocabulary mastery. Based on the result finding, it can be shown that the students? vocabulary improve. Moreover NHT gives a positive contribution towards the students? vocabulary mastery. By using NHT, the students are not bored in learning English. Keywords: Effectiveness, Numbered Heads Together (NHT), Vocabulary mastery