The Effectiveness of Secret Message Game toward Students’ Vocabulary Achievement of Second Grade at SMPN 3 Kedungwaru, Tulungagung

Key Words: Effectiveness, Vocabulary, Secret Message Game Practically in Junior High School, English is toward integratedly. English skills and English component are presented in integrated. However, each skill and component needs to be given attention. Related to teaching vocabulary, the students of seventh grade at SPM 3 Kedungwaru had difficulties to memorize vocabularies and understand their meaning. Common errors are found when the students were asked to fulfill incomplete sentences and rearrange letter into words, and also arrange words in sentences. The teacher needs to choose and employ a certain language game to improve students’ vocabulary mastery. One of game that can be used in teaching vocabulary is the Secret Message Game. In this game the students feel enjoy and comfortable without having burden in learning English. Through this Secret Message Game, the students find it easier to understand and memorize vocabularies that have been taught. This study attempted to answer the following research question: (1) How is the students’ vocabulary achievement before being taught by using Secret Message Game? (2) How is the students’ vocabulary achievement after being taught by using Secret Message Game? (3) Is there any significant difference score of the students before and after being taught by using Secret Message Game? In carrying this research, the researcher formulated the objectives of the study as follow: (1) To know the students’ achievement in vocabulary before being taught by using Secret Message Game. (2) To know the students’ achievement in vocabulary after being taught by using Secret Message Game. (3) To know whether there is any significant difference score of the students before and after being taught by using Secret Message Game. Research method: (1) The research design is pre experimental design with quantitative approach, (2) The population of this research were all students of seventh grade at SMP 3 Kedungwaru, Tulungagung, (3) The sample was seventh B class consisting of 23 students, (4) The research instrument used in this research was test and the data collected through test was analyzed using T-test formula. The result showed that different of mean score of students’ vocabulary before being taught using Secret Message Game was 63.86. Meanwhile, the mean score of students’ vocabulary after being taught using Secret Message Game was 76.30. The result of counting score using T-test showed that tcount(7,700) >ttable(2,074), The result of calculation indicated that Ha was accepted and Ho was rejected. The finding showed that the Secret Message Game was effective used in teaching vocabulary for it could upgrade the students’ English vocabulary mastery