Summary: | During the Covid-19 pandemic, the application of electronic teaching tools has emerged as more crucial than
ever. This research was aimed at investigating the impacts of Flipgrid-based portfolio on EFL high school
students’ speaking scores and their attitude toward the use of this e-portfolio. The study involved 86 EFL high
school students in Vietnam, who were divided into control and experimental groups. The data were collected from
a pre-test, a post-test, a questionnaire, and interviews. The results showed that Flipgrid-based portfolio
significantly improved students’ speaking performances in terms of pronunciation and fluency. Moreover, all the
participants in the experimental group expressed a positive attitude toward the use of this online platform despite
some mention of shortcomings. On the basis of the findings, a number of pedagogical recommendations are
suggested with the hope of pushing the effective use of e-portfolio in English-language teaching and learning in
EFL contexts.
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