Alan Davies is Emeritus Professor of Applied Linguistics at the University of Edinburgh. His publications include Principles of Language Testing (1990), An Introduction to Applied Linguistics (1999), and The Native Speaker: Myth and Reality (2003).

Catherine Elder is Associate Professor in the Faculty of Education at Monash University, Melbourne, Australia. She is the author, with Alan Davies et al., of the Dictionary of Language Testing (1999) and co-editor of Experimenting with Uncertainty (2001).