THE USE OF TEAM-ACHIEVEMENT DIVISONS (STAD) TO IMPROVE STUDENT’S VOCABULARY MASTERY

This article describes a classroom action research held in vocabulary class by using Student Team-Achievement Divisions to improve student’s vocabulary mastery. The implementation conducted within two cycles. Each cycle consists of four meeting. The data collected by observation, questionnaire, interview, and test. The quantitative data were analyzed using descriptive statistic method. The qualitative data were analyzed by using the method suggested by Burn as follows: assembling the data; coding the data; comparing the data; building interpretation; and reporting the outcomes. The results of the research show that STAD can improve student’s vocabulary mastery and class situation.Keywords: vocabulary mastery, STA