Wiranadzifah, Choirifqa Widya Primary Author mixed material bibliography 2024 Inggris

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This study aims to determine the significant impact of the Duolingo application and students' perceptions regarding English vocabulary mastery at SMPN 3 Candi. The research employed a pre-experimental design, specifically a one-group experiment, to explore the effectiveness of the Duolingo application in enhancing seventh-grade students vocabulary at SMPN 3 Candi. The study methodology consisted of pre-test, treatment, and post-test phases. The study focused on seventh-grade students at SMP Negeri 3 Candi. The simple Random Sampling Technique was used to select the sample for this research. In determining the sample, researchers utilized a lottery technique. The sample size was determined by dividing the seventh-grade student population of 288 from eight classes, resulting in 36 students with each class requiring 4-5 students. Based on the research findings, the use of the Duolingo application significantly improved English vocabulary mastery among seventh-grade students at SMP Negeri 3 Candi. These findings were supported by increased test scores, statistical analysis showing significant differences, and positive student perceptions and engagement with Duolingo. This confirms the effectiveness of Duolingo as an enjoyable and effective vocabulary-learning tool. NONE Perpustakaan Universitas PGRI Delta Jl. Kemiri, 61234. Telp./FAX (031) 8071354 - Jawa Timur 2024 BIN 20-077 T00651 My Library 2024 BIN 20-077 2090 2024-12-23 15:02:21 2024-12-23 15:02:21 machine generated