In today's globalised world, a single named language such as English, Norwegian or Spanish, no matter how 'big' it is, rarely satisfies all the needs of communication, cooperation, education or any other area of human life. Neither is the entire language repertoire plausible for everyday use, simply because it is impossible to use too many…

Instructed foreign language knowledge -- that is, language skills acquired exclusively in the classroom without the benefit of any significant immersion experience -- remains a vastly neglected area of studies on language learning in general and language attrition in particular. There is also little consideration of foreign language attrition and…