Gabriele Kasper is Professor of Applied Linguistics at the University of Hawai’i and has published extensively in the field of pragmatics and language research. Eric Kellerman is a Reader in the Departments of English and Applied Linguistics at the University of Nijmegen. He has published in Second Language Research, Studies in Second Language Acquisition, and Language Learning, and is Editor of ’The Clarion’, the magazine of the European Second Language Association (EUROSLA).