Abstract

This mixed-methods study investigated the role of Facebook in enhancing Thai EFL primary school learners’ vocabulary knowledge. The study's primary goal was to examine how using Facebook as an instructional platform improves the written form of English vocabulary knowledge. Twenty-four primary school students, aged 11-12, participated in this study. Two tests were designed and validated to measure students’ receptive and productive knowledge of word form. A focus group was also used to gain deeper insight into students’ perspectives on the impact of Facebook input on vocabulary learning. Descriptive and inferential statistics were performed to analyze quantitative data, while content analysis was used to analyze qualitative data. The results showed that students significantly improved their receptive and productive vocabulary knowledge, and the knowledge of word form (written) developed along the receptive-productive continuum. Additionally, the qualitative findings showed the usefulness of Facebook input. Indeed, the participants viewed the Facebook input as an inviting and stimulating atmosphere and a helpful platform to acquire vocabulary by engaging and sharing with their peers in the learning activity. Overall, the study indicates that Facebook input is an efficient alternative platform for vocabulary teaching. Implications for practitioners and suggestions for future studies are also provided.

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