INCREASING VOCABULARY MASTERY OF THE SEVENTH YEAR STUDENTS OF SMPN 1 TOJO THROUGH JUMBLE LETTERS GAME

The research objective was to prove whether the implemantation of Jumble
Letters game can increase the ability of the seventh year students in SMPN I Tojo in
teaching vocabulary mastery. The writer employed pre-test and post-test
experimental and control group. The population was the seventh year students
inSMPN 1 Tojo. The sample was drawn through a random sampling technique. The
data were collected by using two instruments: observation and test. The data of
observation were analyzed descriptively while the data collected through the test were
analyzed statistically. The result of the data analysis showed that there was a
significance difference between pre-test and post-test results. It was proved by testing
hypothesis. By applying 0.05 level of significance with 58 ( 60 – 2 ) degree of
freedom (df), the t-value was greater (4.70) than the t-table (2.000). It means that the
research hypothesis was accepted. In other words, using jumble letters game was
effective to improve the students ability in vocabulary mastery