This paper reviews how the construct of oral fluency in a second language (L2) has been defined and researched over the last twenty-five years. The emerging picture is somewhat kaleidoscopic, as domains of cognitive, social, individual and linguistic influences on L2 speech have been opened up for study. L2 fluency research presents a wealth of…

The integration of conversational artificial intelligence (AI) chatbots into English as a Foreign Language (EFL) education represents a transformative technological advancement with significant potential for enhancing both student learning outcomes and teacher professional development. This comprehensive review examines how AI chatbots can be…

This volume integrates complex dynamic systems theory (CDST) and L2 writing scholarship through a collection of in-depth studies and commentary across a range of writing constructs, learning contexts, and second and foreign languages. The text is arranged thematically across four topics: (i) perspectives on complexity, accuracy, and fluency, (ii)…