History of linguistics (20th century) ; State of the art ; Speech shadowing; Repetition (psycholing.) ; Nonword (psycholing.) ; Nichtwort (psycholing.) ; Word manufacture; Kunstwort; Pseudo-word ; Kindersprache (pathol.) ; Child language (pathol.) ; Specific language impairment; SLI; Dysgrammatismus (Kindersprache) ; Dysgrammatism (child language) ; Handicapped language acquisition ; Kindersprache (Sprachverständnis) ; Children's comprehension of language; Language comprehension in children