IMPROVING STUDENTS’ VOCABULARY MASTERY BY USING EXTENSIVE READING AT SMP MUHAMMADIYAH LUWUK

The objective this research is to look for the improvement of students’ vocabulary mastery through extensive reading at SMP Muhammadiyah Luwuk. This used a pre-experimental design with one group pretest and posttest design. population was students ninth grade Luwuk consisted twenty-two students. sample all research. In collecting data, researcher test. test posttest. Data were analyzed statistically. After being analyzed, it found that result t-counted 12,215. With 21 degree freedom, significance level 0,05, t-table 1,721.Therefore, bigger than t-table. It clear hypothesis received. other words, implementation can improve