PPVT; Echelle de vocabulaire en images Peabody; EVIP; Test de Vocabulario en Imagenes Peabody; TVIP ; 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 ; Metalinguistic awareness (in children) ; Phonics (teaching of) ; Phonologische Bewusstheit (bei Kindern) ; Phonological awareness (in children) ; Focus on form (language teaching) ; Sprachbewusstsein (bei Kindern) ; Linguistic awareness (in children) ; Dual language acquisition; Bimodal language acquisition; Spracherwerb (biling.) ; Language acquisition (biling.) ; Bilingual language acquisition ; Distinktive Merkmale; Distinctive features; Phonologische Merkmale; Features (phonem.) ; English ; Portuguese