الخلاصة:
This study aims to investigate the potential effect of using YouTube videos as a medium in the teaching and learning process to enhance Algerian EFL students' vocabulary and promote their performance. The sample for this study consists of first-year LMD students at the University ofGhardaia University, faculty of letters and languages at the Department of English, during the academic year 2022-2023. The primary goal of this study is to determine whether or not employing technology resources, such as YouTube videos, can assist Algerian English foreign learners in improving their vocabulary in terms of both motivation and engagement during English language classes. Through data analysis, students and teacher's questionnaire analysis, the findings indicate that incorporating YouTube videos into EFL classrooms can have a significant positive effect on enhancing EFL learners' vocabulary development. Moreover, it is suggested that the integration of YouTube videos in classrooms and their usefulness in increasing the students' motivation and facilitating the teachers' instructions for a better outcome.