The Effects of Google Word Coach Game and Vocabulary Mastery on Students’ Speaking Skill

Abstract

The research aims to examine the effects of google word coach game and vocabulary mastery on students' speaking skills. This quasi-experimental study uses a 2x2 nonequivalent control group design with a factorial design carried out in four parallel classes, namely class XI IPS 1, XI IPS 2, XI IPS 3 and XI IPS 4 MA Negeri 1 Serang. Learning outcome data are obtained through pretest and posttest activities. The samples are 80 students randomly taken by adjusting to the condition and aim of the research. The results show a significant difference between the posttest of the experimental group and that of the control group. FO value is 5.225 and Sig. is 0.025 < 0.05. Thus, it shows that the null hypothesis is rejected, and the research hypothesis is accepted. It also means that there is a difference between the interaction effect of Google Word Coach game and that of vocabulary mastery on students’ speaking skills.