A Comparative Study Of The Effects Of Authentic Video Audio Materials On Vocabulary Acquisition

Résumé: Teachers make use of different strategies and materials to enhance their students' vocabulary either incidentally or intentionally since Vocabulary is an important aspect of linguistic sub-skills that plays a vital role in the learning process of EFL learners. Hence, this comparative study aims at investigating whether authentic audio or video materials have an impact on enhancing students' vocabulary acquisition. Thus, from the research question it is hypothesized that either authentic audio materials will improve students' vocabulary acquisition more than authentic video materials or authentic video materials will improve students' vocabulary acquisition more than authentic audio materials or both authentic materials (audio and video) will have the same effect on enhancing vocabulary acquisition. The participants in the present study are second year LMD students in the english department at Larbi Ben M'Hidi university. The sample is constituted of forty six out of two hundred and seven learners which there were two experimental groups; each group was composed of twenty three students. Both groups underwent a pre-test including three tasks. Then, they were exposed to the treatment. Within the first group, authentic audio materials had been used to make students acquire new vocabulary through listening whereas the second group watched authentic video materials to acquire new vocabulary. At the end of the treatment period, both groups underwent a post-test that included the same words as those of the pre-test embodied in a distinct form of activities. Consequently, the findings of the present study exhibited that both groups had made a significant improvement in their vocabulary acquisition. However, authentic audio materials had proved their efficacy more than authentic video materials. From the present study, it is recommended that teachers apply both authentic materials for creating a healthy atmosphere for learning and enhancing the students' vocabulary.

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