Esther Usó-Juan is a Senior Lecturer in the English Studies Department at Universitat Jaume I (Castellón, Spain). Her main research interests include interlanguage pragmatics and language teaching and learning. Some of her publications have appeared in international journals such as The Modern Language Journal, Applied Language Learning and ELT Journal. She has co-edited several volumes, including Current Trends in the Development and Teaching of the Four Language Skills (Mouton de Gruyter, 2006), Pedagogical Reflections on Learning Languages in Instructed Settings(Cambridge Scholars Publishing, 2007) and Speech Act Performance: Theoretical, Empirical and Methodological Issues (John Benjamins, 2010).