Word level test ; Evaluation criterion (language teaching) ; English as a second language; ESL; TESOL ; Fernsehkurs; Rundfunkunterricht; Schulfunk; Educational broadcast ; Wortschatz (Sprachunterricht) ; Lernwortschatz; Vocabulary teaching ; Surtitles; Respeaking (Subtitle) ; Subtitles ; Zweitspracherwerb (lex.) ; Second language acquisition (lex.) ; Vocabulary (second language acquisition) ; English