Complexity, accuracy, and fluency have proved useful measures of second language performance. The present article will re-examine these measures themselves, arguing that fluency needs to be rethought if it is to be measured effectively, and that the three general measures need to be supplemented by measures of lexical use. Building upon this…

Examines proposals for task-based approaches to instruction, reviews relevant research, investigates developments in cognitive psychology, proposes a framework for the implementation of task-based instruction drawing upon relevant theory, and organizes the methods to implement such instruction so as to minimize problems and maximize goal…