Erstspracherwerb; First language acquisition; Ontogenese; Language acquisition ; Phonemik (Spracherwerb) ; Phonetics (language acquisition) ; Kindersprache (phonet./phonem.) ; Child language (phonet./phonem.) ; Spracherwerb (phonet./phonem.) ; Language acquisition (phonet./phonem.) ; Phonological development ; Pathologischer Spracherwerb (phon.) ; Phonological development (pathol.) ; Kindersprache (Sprachverständnis) ; Children's comprehension of language; Language comprehension in children ; Phoneme identification ; French