اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
linguistic performance:- (linguistics) a speaker's actual use of language in real situations; what the speaker actually says, including grammatical errors and other non-linguistic features such as hesitations and other disfluencies (contrasted with linguistic competence) (Princeton WordNet 3.1)