DaF; Deutsch als Zweitsprache; German as a second language; DaZ; German as a foreign language ; Listening comprehension ; Processability theory; Language comprehension (second language acquisition) ; Vermeidungsstrategie (Zweitspracherwerb) ; Avoidance strategy (second language acquisition) ; Ersatzstrategie (Zweitspracherwerb) ; Compensatory strategy (second language acquisition) ; Speaker strategy (second language acquisition) ; German