While primary studies on technology-mediated informal foreign language (FL) learning are increasingly popular, research synthesis on self-directed FL learning in incidental, out-of-class contexts are scarce. Therefore, this article seeks to address this gap in the literature through a qualitative research synthesis (QRS) on language learning in…

This study investigated the effects of different types of captions on English as a Foreign Language Learners' (EFL) vocabulary learning and comprehension. Eighty students in a Chinese university participated. Students were divided into four groups with two classes of freshmen, one class of juniors, and one class of graduate students. Each group…