IELTS ; Technical language (teaching of) ; Français fonctionnel; Teaching of technical language ; Case study (psycholing.) ; Lexikalischer Zugriff; Lexical decision; Lexical access; Word recognition ; Second language acquisition (psycholing.) ; Zweitspracherwerb (lex.) ; Second language acquisition (lex.) ; Vocabulary (second language acquisition) ; Lesbarkeit (psycholing.) ; Komplexität (text.) ; Complexity (text.) ; Readability