As an increasingly popular format of input, the affordances of audio-visual materials have been widely studied. Past research has provided evidence that audio-visual input combined with different captioning strategies could benefit learners in terms of vocabulary learning, listening comprehension, and the development of grammatical knowledge.…

The impact written corrective feedback (WCF) has on second language development is still a subject of much debate. While some believe it leads to improvement, others are more sceptical. But in order for WCF to lead to second language improvement, learners must first be able to not only correctly interpret the WCF but also understand the linguistic…