%A 1313042065 RIKKO KARENDRA %T THE IMPLEMENTATION OF WORD MAPPING STRATEGY TO INCREASE STUDENTS? VOCABULARY MASTERY AT THE FIRST GRADE OF SMA N 1 RUMBIA LAMPUNG TENGAH %X The aim of this study was to find out whether there was a statistically significant improvement of the students? vocabulary mastery after the students were taught through word mapping strategy. This research was quantitative research. The subjects of this research were 32 students of class X IPS 3. The design used was one-group pretest posttest. The vocabulary test in the form of multiple choice was administrated as the instrument of this research. In this research, repeated measures t-test was used to analyze the data. The researcher conducted the research in six meetings which consisted of try-out test, pre-test, three times of treatments, and post-test. The result showed that there was a statistically significant improvement of the students? vocabulary mastery with the significant level < 0.05. It could be inferred that teaching activity through word mapping strategy facilitates the students to develop the vocabulary and to understand the text easily %C UNIVERSITY OF LAMPUNG %D 2017 %I TEACHER TRAINING AND EDUCATION FACULTY %L eprints28352