Exploring the Effects of a Theory-Based Mobile App on Chinese EFL Learners’ Vocabulary Learning Achievement and Memory

This article intends to investigate the effects of using a mobile app on vocabulary learning achievement and memory Chinese tertiary EFL learners. 108 non-English majors took part in study. Moreover, their perceptions were investigated. By analyzing data from quasi-experiment, results show that experimental group (EG) learned at an increased rate 129.65%, while control (CG) did so 68.4%. In addition, significant difference was found between two groups, indicating effectively improved students’ learning. As for remembering new words, it discovered retention words declined by 11.11% EG 27.89% CG, suggesting effective preventing students rapid loss words. Among participants, 72% held positive attitude toward app, 82% expressed they liked diaries. Results this study indicate usefulness technology-enhanced L2