Pengunaan Caption Instagram Untuk Meningkatkan Penguasaan Kosakata Siswa Kelas Delapan Di SMPN 4 Tanantovea.

Abstract
Rosdiani (A 121 17 132). ”Using Instagram Caption to Improve Students
Vocabulary Mastery : An Experimental Study at SMPN 4 Tanantovea
Donggala”. English Education Study Program, Departement of Language and Arts
Education, Faculty of Teacher Training and Education, under the supervision of
Sudarkam R. Mertosono and Erniwati
This research aims to determine the effectiveness of using Instagram caption in
improving vocabulary mastery of grade eight students of SMPN 4 Tanantovea
Donggala, Central Sulawesi. This is a quasi-experimental research design,
involving 44 students selected through total population sampling technique. To
collect the data, paper-and-pencil method with tests (pretest and posttest) was used.
Result showed that there was a significant difference between students’ vocabulary
mastery before and after the intervention. With p=0.05 and df=42, it was found that
the tcounted value of 9.53 is higher than the tcritical value of 1.683. This means, the
research hypothesis is accepted. In other words, using Instagram caption can
improve vocabulary mastery of grade eight students of SMPN 4 Tanantovea