THE EFFECTS OF ONLINE FLASHCARDS ON LANGUAGE LEARNERS’ VOCABULARY SIZE
The purpose of this study is to investigate the effects of Quizlet online flashcards on language learners' vocabulary size. The participants were 76 English major students of three classes at pre-intermediate level using their flashcards for 11 weeks at Hanoi University of Natural Resources and Environment (HUNRE). An action research on vocabulary improvement of non-English major learners through using online flashcards at HUNRE was conducted to investigate learners’ vocabulary acquisition in second language learning. The study indicated that online flashcards positively impact learners' vocabulary size; however, there was a small proportion of the participants did not gain benefits from using Quizlet online flashcards.