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Journal : JLE: Journal of Literate of English Education Study Program

Increasing English Vocabulary of Grade VIII Students through Duolingo Application Maryam; Said, Mawardin M.; Hasyim, Zarkiani; Anggreni, Afrillia
JLE: Journal of Literate of English Education Study Program Vol 6 No 1 (2025): Volume 6 Number 1 July 2025
Publisher : Universitas Islam Ahmad Dahlan (UIAD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47435/jle.v6i1.4094

Abstract

The purpose of this research is to determine whether the Duolingo application can enhance the English vocabulary of grade VIII students at SMPN 1 Sindue Tombusabora. This research focused on teaching concrete nouns and action verbs, including their spelling, meaning, and use in sentences. A quasi-experimental design was employed, involving two classes: an experimental class (VIII C) and a control class (VIII A), each consisting of 20 students selected through purposive sampling. Data collection was conducted using pretests and posttests to measure changes in vocabulary knowledge before and after the intervention. The experimental class utilized the Duolingo application, while the control class did not receive this treatment. After the posttest, the researcher used statistical analysis to evaluate whether there was a significant difference between the two classes. Based on the data analysis tests, the mean pretest score for the experimental class was 30.62, compared to 35.97 for the control class. After administering the treatment, the mean score on the posttest for the experimental class was 66.45, which is significantly higher than the mean score of 36.96 for the control class. Using a significance level of 0.05, the researcher found that the calculated t-value of 7.50 exceeded the t-value of 1.687 from the t-table. It indicates that the hypothesis was accepted. In other words, grade VIII students at SMPN 1 Sindue Tombusabora can increase their English vocabulary by using the Duolingo application.
Co-Authors A. Amanda Dhea Ayu Puspita Achmad Rivaldy S Ahdar Ahmad Fauzan Ahmad Rofiq Aiyub Al Imran Amin Samiasih Amsal Anci Abd Rahim Andi Ahmad Zaeful Andini Maharani B Anggreni, Afrillia Anismar ardhani, Muhammad Ridwan Ardhani Ariadi, Herman Aslan Asmaningrum, Novita Bety Bonewati, Yulia Irwina Bunga Adinda Fanesa Bungawati Bungawati, Bungawati Choirun Niswah Citra Ayunanda Cut Hamdiah Cut Rusmina Dede Indra Setiabudi Deni Ikhwan Dera Alfiyanti Dewi, Risna Diah Priyawati Dian Purworini Dondi, Siana Edi Purwanto Endang Susilowati Endang Wahyu Pamungkas Evahelda Febrianti Nur Feby Fatresia Kodea Fernando Fikri Arsil Firdaus, Aina Aulia Gawei, Apria Brita Pandohop Gilang Anjari Hamdiah, Cut Hanum, Filia Haryanti, Yanti Hasanudin Hasyim, Zarkiani Heri setiawan Herni Humaira, Ajrina Husniati, Ade Muana Imam Hikam Imi Mistura Indri Iriani Iriani, indri Irma Irmawati S. Palilati Johan, Muhammad Jumriani Nasir Kahar Khairul Akmal Khairun Nadiyah Khairuna Kusumamahanani, Fatma Lelita Azaria Rahmadiva Linda Kurniawati M. Bahrul Ulum Al-Faruqi M. Saipul Watoni Maharani Deswita Maisyura Mardhiah, Ainol Marhani Maria Isfus Senjawati Mauludi Mawardin Muhammad Said Moh. Ramli Nur Mohammad Iqbal Mabruri, Mohammad Iqbal Muh. Akib D Muhammad Asrum Muhammad Farid Muhammad Fikri Muhammad Iqbal Iskandar Murni Utami Muzaffarsyah, Teuku Nadya Rishelin Naidoo, Gedala Mulliah Nengsih, Rita Novarianti Nur Fadylah Nur Febrianti Nur Hafni Nurdaida Pangesti Nugrahani Patma Sari Pramesty, Dewi Indah Puji Rufti Astuti puspitasari, Arum Puspitasari, Ita Rabiah Rahma Edy Pakaya Rahmah Yulianti Rahmah, Annisa Rahmat Abdullah Rahmat Novissa Rahmawati Prihastuty, Rahmawati Ratman Raudah, Sari Pandan Refi Meliawati Renawati Didipu Retno Sulistiyaningsih Riadi, Akhmad Rika Riyanti Rina Puji Lestari Rita Nengsih Riyanti Rizki Alfi Rona Rizkhy Bunga Chasana Rona Rizky Bunga Chasanah Rosha Hayati Rudi Waluyo Rusmina, Cut Rusna S Mardini Saharudin SAIFUL ANWAR Saleh Sari, Nessa Anggun Permata Sari, Sylvie Indah Kartika Setyawan, Sidiq Shelma , Ismy Alifia Siti Bainila Ambuasi Siti Chunaeni Siti Rofi’ah Sri Yulianti Syafridah, Anita Syaiful Syamsul Rizal T. Makmur Teuku Alfiady Ti Aisyah Usman Verra Syahmer Wahyudiladjidjiiman Walva Kano Pasaung Widi Widayat Wilda Afika Wili Astuti Wiwik Ratnasari Yuhaswita Yunita Dea Putri Zainuddin