Carol A. Chapelle is Distinguished Professor of Liberal Arts and Sciences at Iowa State University. She is Editor of the Encyclopedia of Applied Linguistics (Wiley-Blackwell, 2013), Co-editor of the Cambridge Series in Applied Linguistics, as well as a past Editor of TESOL Quarterly and Language Testing. Shannon Sauro is Associate Professor in the Department of Culture, Languages and Media in the Faculty of Education and Society at Malmö University, Sweden. She is the past president of the Computer-Assisted Language Instruction Consortium (CALICO).