Erstspracherwerb; First language acquisition; Ontogenese; Language acquisition ; Case study (language acquisition) ; Kindersprache (pathol.) ; Child language (pathol.) ; Specific language impairment; SLI; Dysgrammatismus (Kindersprache) ; Dysgrammatism (child language) ; Handicapped language acquisition ; Wortbedeutung (Spracherwerb) ; Bedeutungsentwicklung; Semantic development ; Learnability (of language) ; Lernbarkeit (von Sprache) ; Spracherwerb (Theorie) ; Language acquisition (theory of) ; Poverty of the stimulus-argument; Theory (language acquisition) ; Spracherwerb (lex.) ; Language acquisition (lex.) ; Vocabulary (language acquisition) ; German
