Barbara A. Lafford is an associate professor of Spanish and Linguistics at Arizona State University and has published in the areas of Spanish sociolinguistics, second language acquisition (primarily lexical and discourse issues), second language pedagogy, the use of technology to enhance second language learning and the effects of study abroad experiences on the second language learner's acquisition process. She served as Associate Editor for the Applied Linguistics section of Hispania (1996-2002) and is the co-editor (with Michele Shockey) of Culture and Context: Perspectives on the Acquisition of Cultural Competence in the Foreign Language Classroom.

Rafael Salaberry is a professor of Spanish Linguistics and Second Language Acquisition in the Department of Spanish and Portuguese at the University of Texas in Austin. He is the author of The Development of Spanish Past Tense Morphology in a Classroom Environment and co-editor (with Yasuhiro Shirai) of The L2 Acquisition of Tense-Aspect Morphology. His main research interests are second language acquisition, second language assessment and the use of new technologies for pedagogical purposes. He is also the reviews editor of the journal Language Learning and Technology.