Rebecca is Professor of Applied Linguistics and TESOL, University of Memphis, USA. Her research focuses on the role of conversational interaction in promoting second language development. She is the author of Learning a Language with Peers: Elevating Classroom Voices (Routledge, 2023) and Peer Interaction and Second Language Learning (Routledge, 2014), as well as articles and book chapters on peer learning, collaborative writing, and feedback in second language classrooms.

Paul Warren is Emeritus Professor of Linguistics, Victoria University of Wellington, New Zealand. Before retirement, Paul's teaching and research was in psycholinguistics, phonetics, and laboratory phonology. He is a founding member of the Association for Laboratory Phonology, and a member of the Australasian Speech Science Technology Association and the International Phonetic Association. His publications include several books as well as contributions in edited collections, including The Routledge Handbook of Sociophonetics (Routledge, 2023).

Lyn Wright is Professor of Applied Linguistics and TESOL, University of Memphis, USA. Her research and publications investigate language socialization and family language policy in bi- and multilingual families. She serves on the editorial board for the journal Language and Education.