In successful writing development, English as a foreign language (EFL) learners not only need to acquire grammatical complexity (GC) features but also know when and how to use them flexibly across communicative contexts, known as register flexibility. The present study, guided by the sociocultural theory of language learning, examines descriptive…

In an era of major advances in the digital world, artificial intelligence has been a part of programs, tools, applications, and platforms. It has also been integrated into fields of education including language teaching and learning. To this end, ChatGPT, one of the most recent AI-driven systems, has been proposed to support language learners'…