Current approaches to teaching in the second language classroom emphasize exposure
to L2 input, and provision of opportunities for learners to engage in meaningful communication, both in and outside of the classroom. Based on research of interaction-driven
second language development (for review, seeGass, 2003; Long, 1996; Mackey, in press),
many researchers argue for the benefits of learning through engagement in meaningful
interaction with others, stressing that ‘learners have to talk in order to learn