The Effect Of Using Duolingo Platform On Students’ Vocabulary Mastery In Efl Learning (Quasi-Experimental Research In Smp N 2 Rejang Lebong)

apriani, anisa and Hidayah, Jumatul and Edy, Sarwo (2023) The Effect Of Using Duolingo Platform On Students’ Vocabulary Mastery In Efl Learning (Quasi-Experimental Research In Smp N 2 Rejang Lebong). Sarjana thesis, Institut Agama Islam Negeri Curup.

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Abstract

ABSTRACT Anisa Apriani, 2023. “The Effect of Using Duolingo Platform on Students’ Vocabulary Mastery in EFL Learning”. Advisor : Jumatul Hidayah, M.Pd Co-advisor : Sarwo Edy, M,Pd The purpose of this research was to find out the empirical evidence of the effect of using Duolingo application on students’ vocabulary mastery. In this research, the quantitative method was used and the research design was a quasi-experimental. To conduct the research, 64 students of seventh grade student of SMP N 2 Rejang Lebong academic year of 2022/2023 are chosen as the sample in this research. They were 7D class as the experimental class, and 7J class as the control one. Each class consisted of 32 students. Duolingo application was used as a medium in the experimental class while the control class was taught with teacher’s presentation and flash cards. Based on the calculation, the post-test mean scores of the experimental class was 64,0 while that of the control class was 49,1. The result of statistical hypothesis testing by using independent sample t-test revealed that on degree of significance 5% (α = 0.05), t test was 3,679 while t table was 2,000 or t test > t table. Therefore, H0 was rejected and Ha was accepted. The result indicated that using Duolingo is effective through students’ vocabulary mastery and had a moderate effect at the seventh grade of students SMP N 2 Rejang Lebong in the academic year of 2022/2023. Keywords: Duolingo, Vocabulary mastery

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Thesis (Sarjana)

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