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Dinasti, Dinasti
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The Effectiveness of Using The Duolingo Application to Enhance Students' English Vocabulary Mastery Dinasti, Dinasti; Ilham, Ilham; Bafadal, Fauzi
Journal of English Language and Education Vol 10, No 4 (2025)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jele.v10i4.1001

Abstract

This study aims to evaluate the effectiveness of the Duolingo application in enhancing students' English vocabulary mastery through a pre-experimental design. A total of 26 participants engaged in a two-week intervention using Duolingo to improve their vocabulary skills. The results of the pre-test and post-test assessments demonstrated a significant improvement in vocabulary mastery, with the mean score increasing from 63.42 to 85.08. The standard deviation decreased from 14.711 to 9.169, indicating greater consistency in student performance following the intervention. The paired samples correlation of 0.693 with a significance value of 0.000 indicated a strong positive relationship between the pre-test and post-test scores, supporting the effectiveness of the intervention. Further analysis using a paired samples t-test revealed a mean difference of -21.654 with a t-value of -10.363 (p 0.001), confirming that the intervention had a significant impact on vocabulary acquisition. The effect size calculation (Cohen's d = -2.032) indicated a large effect size, demonstrating the substantial impact of Duolingo on students’ vocabulary development. The study concludes that Duolingo can serve as an effective supplementary tool for vocabulary acquisition in English language learning. Future research is encouraged to explore the long-term effects of the application, its influence on other language skills, and its potential integration into formal educational contexts.
Upaya Mengatasi Prilaku Perundungan Dikalangan Siswa Melalui Optimalisasi Program Sekolah Ramah Anak Di SMP Negeri 10 Kota Bengkulu Dinasti, Dinasti; Syarkati, Syarkati
Jurnal Multidisiplin Dehasen (MUDE) Vol 4 No 4 (2025): Oktober
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/mude.v4i4.9186

Abstract

This study investigates efforts to address bullying behavior among students through the optimization of the child-friendly school program at SMP Negeri 10 Bengkulu City. The aim of this study is to identify the forms of bullying, the efforts taken by the school, and the actions implemented. This is a qualitative research. Data collection was conducted through observation, interviews, and documentation. The findings indicate that forms of bullying among students at SMP Negeri 10 include physical fights involving hitting and kicking, insulting peers by mocking their parents' names, drawing on peers' faces, mocking teachers, spreading false information, and shouting at fellow students. Contributing factors to bullying behavior may include lack of affection, family issues, peer pressure, being a victim of a broken home, and poor family communication. The school's efforts at SMP Negeri 10 Bengkulu City include implementing government programs to handle bullying cases. Homeroom teachers or counseling teachers first summon the students involved for guidance and counseling. Parents are then called in to inform them of their child's behavior at school. This policy has proven effective—parents continue to respond and take responsibility for their children’s actions. Additionally, the school organizes socialization sessions for both perpetrators and victims, including counseling and presentations from police officers to emphasize that bullying is harmful. Classrooms are equipped with posters and reading corners. To optimize the program, agreements are made between the school, parents, and the government for follow-up actions on bullying cases.
Co-Authors Bafadal, Fauzi Ilham Ilham Syarkati, Syarkati