In this exploratory mixed-methods study, we introduce and test our AI-powered vocabulary learning system--ARCHe, which embeds four AI functions: (1) automatic feedback towards for pronunciation, (2) automatic feedback for towards handwriting, (3) automatic scoring for student-generated sentences and (4) automatic recommendations. Specifically, our…

Traditional approaches to language assessment have been criticized for their inadequacy in taking account of language learners' potential for development. To obviate this pitfall in traditional assessment, language teachers and researchers have been paying increasing attention to dynamic assessment (DA), which is rooted in Vygotsky's (1978)…

The current study examined the extent to which first language (L1) utterance fluency measures can predict second language (L2) fluency and how L2 proficiency moderates the relationship between L1 and L2 fluency. A total of 104 Japanese-speaking learners of English completed different argumentative speech tasks in their L1 and L2. Their speaking…