Vocabulary knowledge is a crucial component for success in and out of school. For most children, word acquisition hits a plateau in the middle of elementary school, which has a negative impact on their academic achievement. This study evaluated whether the instructional strategy of drawing cartoons improved the vocabulary achievement among 5th…

This dissertation investigates whether and how learners' heritage language (HL) background and explicitness of feedback influence second language (L2) pragmatic development of Korean referent honorifics through conversational interaction. Specifically, this study focuses on HL learners versus non-heritage language (NHL) learners and recasts versus…

Previous studies revealed mixed results in terms of the relative effects of implicit and explicit feedback: some found that explicit feedback worked more efficiently than implicit feedback; others found no difference between the two feedback types. These contrasting results called for further investigations into this issue, particularly examining…