There has always been a debate around the issue of what it is that improves learning: the instruction itself or the media used for it (Clark 1983; Kozma 1994). It has also been said (Kulik and Kulik 1991; Andrewartha & Wilmot 2001) that computer mediated learning, as opposed to traditional instruction, positively influences the students'…

Individualized tutoring and feedback by trained language instructors are known to be optimal for language learning. Providing them is time-consuming and costly, however, and therefore not feasible for the majority of language learners. This applies particularly to pronunciation, where corrective feedback should ideally be synchronous, which makes…