Deviation (child language) ; Articulation (child language) ; Pathologischer Spracherwerb (phon.) ; Phonological development (pathol.) ; Speech intelligibility (language acquisition) ; Screening (speech therapy) ; Assessment criterion (speech therapy) ; Language intervention; Children (speech therapy with) ; Speech therapy for children ; Acoustic phonetics ; Approximant ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English