This book addresses the issue of task equivalence, which is of fundamental importance in the areas of language testing and task-based research, where task equivalence is a prerequisite. The main study examines the two seemingly-equivalent picture-based spoken narrative tasks, using a multi-method approach combining quantitative and qualitative methodologies with MFRM analysis of the ratings, the analysis of linguistic performances by Japanese candidates and native speakers of English (NS), expert judgements of the task characteristics, and perceptions of the candidates and NS. The results...
This book addresses the issue of task equivalence, which is of fundamental importance in the areas of language testing and task-based research, where ...