Biographical note

Jörg-U. Keßler, PhD, is professor of applied linguistics at Ludwigsburg Germany. He has worked on the evaluation and calibration of Rapid Profile, a computer-assisted diagnostic tool to trace L2 development. His research interests encompass (instructed) SLA and Immersion programmes from preschool to secondary education. In his current research he works on various applications of Processability Theory to the foreign language classroom. His publications include books on the acquisition of L2 English in formal settings and a range of articles on task- based language teaching.Dagmar Keatinge works as a researcher and lecturer in the English department at Paderborn University. She has worked on number of research projects in the field of second language acquisition, including bilingual language acquisition of children and L1- transfer (for her MA thesis). For her PhD thesis, she continues to work on the Developmentally Moderated Transfer Hypothesis. Her further research interests include the investigation of receptive skills within the PT framework and the development of communicative tasks for research settings and teaching.