Machines have a long-demonstrated ability to find statistical relationships between qualities of texts and surface-level linguistic indicators of writing. More recently, unlocked by artificial intelligence, the potential of using machines to identify content-related writing trait criteria has been uncovered. This development is significant,…

Most second language (L2) researchers and teachers would agree that input, often defined as the language a learner hears or reads, plays an important role in L2 learning. There is a great deal of research investigating which types of input are most beneficial for learning, how learners process and internalize input (e.g., Schmidt, 2001), and how…