Sprachperzeption/Sprachproduktion (Asymmetrie von) ; Language perception/language production (disparity in) ; Active vocabulary/passive vocabulary; Passive vocabulary; Disparity; Language production/language perception (disparity in) ; Deviation (child language) ; Articulation (child language) ; Pathologischer Spracherwerb (phon.) ; Phonological development (pathol.) ; Deviation (pathol.) ; Dyspraxia; Coordination disorder ; Phoneme identification ; Distinktive Merkmale; Distinctive features; Phonologische Merkmale; Features (phonem.) ; Merger (phonem.) ; Jeísmo; Seseo; Neutralization (phonem.) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English