Improvement students’ achievement in vocabulary through Students-Teams Achievement Divisions (STAD) at SMPN 8 Bandarlampung

The objective of this research was to find out (i) whether there was an improvement of students’ vocabulary achievement and (ii) which type of content words that improved the most after being taught by using STAD technique. The current study was quantitative research. The subjects of the research were the students of SMPN 8 Bandar Lampung. The data were collected throughvocabulary testsanalyzed by using Repeated Measures T-Test. The findings showed that there was an improvement of students' vocabulary achievement after the treatment given by using the STAD technique since the significant level was p < 0.05 (p= 0.000) and the most significantly improved type of content words was a noun. It was proved by using One-Way ANOVA computation.In brief, it can be concluded that the STAD technique could be used as a teaching technique to improve vocabulary achievement in terms of content words. This suggests that the STAD technique facilitates the students to be actively involved in learning.