Using Student Team Achievement Division (STAD) to improve vocabolary mastery in the seventh grade of SMP al-Wachid Surabaya

The writer formulates the problems as follows: How is STAD technique applied to improve vocabulary mastery?, how are the students responses towards the use of STAD technique applied to improve vocabulary mastery?, There are many kinds of leraning methodologies to learn it. One of them is Student Team Achievement Division (STAD) technique. STAD itself can be a alternative method to learn english for children and adult because STAD built a set of alternatives to traditional instruction systems or techniques in which students work in heteregeneous groups of four to six members and earn recognition, reward, and sometimes grades based on the academic performance of their groups. The result of study showed that the students could improve their ability in understanding vocabulary by using STAD technique. STAD itself can create fun situation in the classroom during English teaching learning process.