"The native speaker is a fine myth: we need it as a model, a goal, almost an inspiration. But it is useless as a measure; it will not help us define our goals."
(Davies 1995; 157 zit. in Medgyes 2004; 437)
Laut Ellis (1985; 48) erreichen höchstens 5% aller Fremdsprachenlerner eine Art muttersprachlicher Kompetenz in der Zielsprache.