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This study explores the effectiveness of mobile-assisted vocabulary learning through digital flashcards on receptive and productive academic vocabulary knowledge among Iranian EFL university students. In a quasi-experimental design, 86 participants were divided into three groups: a digital flashcard group (DFs), a traditional paper flashcard (PFs) group, and a control group using word lists, to assess the impact of these methods on vocabulary acquisition over five weeks. The findings revealed that students utilizing DFs exhibited significant improvements in both receptive and productive vocabulary knowledge compared to those using PFs and the control method. Notably, the increase in receptive vocabulary was more substantial than in productive vocabulary, highlighting the differential effects of DFs on various aspects of vocabulary learning. This finding underscores the need for targeted strategies to enhance productive aspects of academic vocabulary specifically. The study supports the integration of DFs into English for Academic Purposes (EAP) programs to leverage their potential in boosting vocabulary acquisition effectively. However, the lesser gains in productive vocabulary suggest the necessity for complementary instructional methods, which focus on more active vocabulary learning tasks. Based on these findings, the study argues that mobile-assisted vocabulary learning should be considered a practical strategy for supporting academic vocabulary development among university students.
Mohammadi et al. (2024) studied this question.